| Rank | Percentage of House with a Mortgage where Monthly Holding Costs $300-$500 ▼ | School District / Population |
| 1. | 55.6% | Waukena Joint Union Elementary School District / 865 |
| 2. | 27.8% | Trinity Alps Unified School District in Coffee Creek / 240 |
| 2. | 27.8% | Coffee Creek Elementary School District / 240 |
| 4. | 20.6% | Mineral Elementary School District / 143 |
| 5. | 19.8% | Alpaugh Unified School District / 1,167 |
| 6. | 19.0% | Stony Creek Joint Unified School District / 627 |
| 7. | 15.0% | Linns Valley-Poso Flat Union School District / 524 |
| 8. | 14.4% | Butte Valley Unified School District / 1,883 |
| 9. | 12.6% | Earlimart Elementary School District / 8,366 |
| 10. | 11.6% | Modoc Joint Unified School District / 6,067 |
| 11. | 11.4% | Columbine Elementary School District / 468 |
| 12. | 10.9% | Burnt Ranch Elementary School District / 538 |
| 12. | 10.9% | Trinity Alps Unified School District in Burnt Ranch / 538 |
| 14. | 10.6% | General Shafter Elementary School District / 1,045 |
| 15. | 10.5% | Mission Union Elementary School District / 272 |
| 16. | 9.9% | Trona Joint Unified School District / 2,400 |
| 17. | 9.9% | Reef-Sunset Unified School District / 16,951 |
| 18. | 9.6% | Trinity Alps Unified School District in Junction City / 1,290 |
| 18. | 9.6% | Junction City Elementary School District / 1,290 |
| 20. | 9.0% | San Pasqual Valley Unified School District / 3,650 |
| 21. | 8.9% | Gerber Union Elementary School District / 3,134 |
| 22. | 8.6% | Happy Camp Union Elementary School District / 1,228 |
| 23. | 8.6% | Fieldbrook Elementary School District / 932 |
| 24. | 8.5% | South Fork Union Elementary School District / 2,783 |
| 25. | 8.4% | Meridian Elementary School District / 656 |
| 26. | 8.3% | Bangor Union Elementary School District / 1,002 |
| 27. | 8.2% | Feather Falls Union Elementary School District / 334 |
| 28. | 8.2% | Di Giorgio Elementary School District / 904 |
| 29. | 8.1% | Seiad Elementary School District / 354 |
| 30. | 7.5% | West Fresno Elementary School District / 5,761 |
| 31. | 7.3% | Grenada Elementary School District / 861 |
| 32. | 7.2% | Lucerne Valley Unified School District / 6,278 |
| 33. | 7.1% | Big Valley Joint Unified School District / 1,937 |
| 34. | 6.9% | Willow Creek Elementary School District / 706 |
| 35. | 6.8% | El Tejon Unified School District / 7,716 |
| 36. | 6.8% | Corning Union Elementary School District / 13,812 |
| 37. | 6.6% | Sunol Glen Unified School District / 858 |
| 38. | 6.3% | Strathmore Union Elementary School District / 5,236 |
| 39. | 6.2% | Terra Bella Union Elementary School District / 5,485 |
| 40. | 6.1% | Delhi Unified School District / 11,997 |
| 41. | 5.9% | Trinity Alps Unified School District in Lewiston / 1,702 |
| 41. | 5.9% | Lewiston Elementary School District / 1,702 |
| 43. | 5.8% | Tipton Elementary School District / 2,893 |
| 44. | 5.7% | Oak View Union Elementary School District / 2,846 |
| 45. | 5.6% | Golden Feather Union Elementary School District / 2,751 |
| 46. | 5.6% | Trinity Alps Unified School District / 4,252 |
| 47. | 5.5% | Richgrove Elementary School District / 3,135 |
| 48. | 5.4% | Guadalupe Union Elementary School District / 6,943 |
| 48. | 5.4% | Corning Union High School District / 16,489 |
| 50. | 5.4% | Upper Lake Union Elementary School District / 5,206 |
| 51. | 5.4% | Kernville Union Elementary School District / 12,040 |
| 52. | 5.3% | Konocti Unified School District / 21,218 |
| 53. | 5.2% | Rohnerville Elementary School District / 5,675 |
| 54. | 5.1% | Plainsburg Union Elementary School District / 477 |
| 55. | 5.1% | Wasco Union Elementary School District / 25,898 |
| 56. | 5.0% | Southern Trinity Joint Unified School District / 1,004 |
| 57. | 5.0% | Upper Lake Union High School District / 8,293 |
| 58. | 5.0% | Needles Unified School District / 6,928 |
| 59. | 4.9% | Lamont Elementary School District / 16,517 |
| 60. | 4.8% | Ducor Union Elementary School District / 1,056 |
| 61. | 4.8% | Wasco Union High School District / 29,524 |
| 62. | 4.7% | McCloud Union Elementary School District / 1,494 |
| 63. | 4.7% | Planada Elementary School District / 5,011 |
| 64. | 4.7% | Scott Valley Unified School District / 5,038 |
| 65. | 4.6% | Round Valley Unified School District / 2,720 |
| 66. | 4.5% | West Park Elementary School District / 1,539 |
| 67. | 4.4% | Happy Valley Union Elementary School District / 6,087 |
| 68. | 4.4% | Oroville City Elementary School District / 22,726 |
| 69. | 4.4% | Delano Joint Union High School District / 66,097 |
| 70. | 4.3% | Palermo Union Elementary School District / 8,069 |
| 71. | 4.3% | Gonzales Unified (9-12) School District / 2,188 |
| 71. | 4.3% | Blochman Union Elementary School District / 867 |
| 71. | 4.3% | Chualar Union Elementary School District / 2,188 |
| 74. | 4.3% | Lucerne Elementary School District / 3,087 |
| 75. | 4.2% | Biggs Unified School District / 3,766 |
| 76. | 4.2% | Plum Valley Elementary School District / 506 |
| 76. | 4.2% | Little Shasta Elementary School District / 423 |
| 78. | 4.1% | Le Grand Union High School District / 7,893 |
| 79. | 4.1% | Indian Diggings Elementary School District / 154 |
| 80. | 4.1% | Alpine County Unified School District / 1,176 |
| 81. | 4.1% | Garfield Elementary School District / 432 |
| 82. | 4.0% | Barstow Unified School District / 34,484 |
| 83. | 4.0% | Washington Union High School District / 17,352 |
| 84. | 3.9% | Plumas Unified School District / 19,701 |
| 85. | 3.9% | Columbia Elementary School District / 9,775 |
| 86. | 3.8% | Oroville Union High School District / 52,715 |
| 87. | 3.8% | Turlock Unified School District in Keyes Union / 5,613 |
| 87. | 3.8% | Keyes Union Elementary School District / 5,613 |
| 89. | 3.7% | Orange Center Elementary School District / 1,843 |
| 90. | 3.7% | Beardsley Elementary School District / 17,473 |
| 91. | 3.7% | Yosemite Unified School District in Raymond-Knowles / 1,169 |
| 91. | 3.7% | Raymond-Knowles Union Elementary School District / 1,169 |
| 93. | 3.6% | Washington Colony Elementary School District / 2,651 |
| 94. | 3.6% | Westwood Unified School District / 1,246 |
| 95. | 3.6% | Standard Elementary School District / 22,918 |
| 96. | 3.5% | McFarland Unified School District / 13,083 |
| 97. | 3.5% | Klamath-Trinity Joint Unified School District / 5,427 |
| 98. | 3.4% | Maxwell Unified School District / 1,659 |
| 99. | 3.4% | Pacific Union Elementary School District / 5,782 |
| 100. | 3.4% | Woodville Elementary School District / 2,957 |
| 101. | 3.3% | Mountain Union Elementary School District / 1,182 |
| 102. | 3.3% | Belleview Elementary School District / 1,516 |
| 103. | 3.2% | Fortuna Union High School District / 22,303 |
| 104. | 3.2% | Weaver Union Elementary School District / 12,713 |
| 105. | 3.2% | Lindsay Unified School District / 16,698 |
| 106. | 3.2% | Klamath River Union Elementary School District / 557 |
| 107. | 3.1% | Sierra-Plumas Joint Unified School District / 4,057 |
| 108. | 3.1% | Delano Union Elementary School District / 53,266 |
| 109. | 3.1% | Rockford Elementary School District / 1,251 |
| 109. | 3.1% | Kings Canyon Joint Unified School District / 45,937 |
| 111. | 3.1% | Fort Sage Unified School District / 2,843 |
| 112. | 3.0% | Fortuna Union Elementary School District / 7,595 |
| 113. | 3.0% | Traver Joint Elementary School District / 1,444 |
| 113. | 3.0% | Parlier Unified School District / 15,052 |
| 115. | 3.0% | Edison Elementary School District / 6,273 |
| 116. | 3.0% | Anderson Valley Unified School District / 2,963 |
| 116. | 3.0% | Pioneer Union Elementary School District / 1,334 |
| 118. | 2.9% | Maricopa Unified School District / 1,753 |
| 119. | 2.9% | Alview-Dairyland Union Elementary School District / 1,951 |
| 120. | 2.9% | Yreka Union High School District / 17,589 |
| 121. | 2.9% | Selma Unified School District / 28,382 |
| 122. | 2.8% | Chawanakee Unified School District / 5,010 |
| 123. | 2.8% | Le Grand Union Elementary School District / 2,405 |
| 124. | 2.8% | Alta Vista Elementary School District / 2,859 |
| 124. | 2.8% | McKinleyville Union Elementary School District / 17,013 |
| 124. | 2.8% | Calipatria Unified School District / 13,738 |
| 124. | 2.8% | Ackerman Elementary School District / 2,603 |
| 128. | 2.7% | Jamul-Dulzura Union Elementary School District / 8,390 |
| 129. | 2.7% | Yreka Union Elementary School District / 10,066 |
| 129. | 2.7% | Bogus Elementary School District / 385 |
| 131. | 2.6% | Live Oak Unified School District / 10,149 |
| 132. | 2.6% | Fairfax Elementary School District / 12,264 |
| 133. | 2.6% | Taft City Elementary School District / 18,478 |
| 134. | 2.5% | Morongo Unified School District / 70,825 |
| 135. | 2.5% | Kelseyville Unified School District / 12,501 |
| 136. | 2.5% | Loleta Union Elementary School District / 1,817 |
| 137. | 2.5% | Atwater Elementary School District / 32,242 |
| 138. | 2.5% | Sierra Sands Unified School District / 34,399 |
| 139. | 2.4% | Southern Kern Unified School District / 18,469 |
| 139. | 2.4% | Taft Union High School District / 19,586 |
| 141. | 2.4% | Lakeport Unified School District / 11,543 |
| 142. | 2.4% | Northern Humboldt Union High School District / 45,562 |
| 142. | 2.4% | Big Oak Flat-Groveland Unified School District / 4,857 |
| 144. | 2.3% | Lassen View Union Elementary School District / 2,506 |
| 145. | 2.3% | Pixley Union Elementary School District / 4,523 |
| 145. | 2.3% | Fowler Unified School District / 9,757 |
| 147. | 2.3% | Black Butte Union Elementary School District / 4,562 |
| 147. | 2.3% | New Hope Elementary School District / 1,189 |
| 149. | 2.2% | Bellevue Union Elementary School District / 22,497 |
| 150. | 2.1% | Montague Elementary School District / 1,961 |
| 151. | 2.1% | Rio Bravo-Greeley Union Elementary School District / 4,490 |
| 152. | 2.1% | Woodland Joint Unified School District / 59,963 |
| 152. | 2.1% | Marysville Joint Unified School District / 59,162 |
| 152. | 2.1% | Rio Dell Elementary School District / 3,377 |
| 152. | 2.1% | Imperial Unified School District / 20,615 |
| 156. | 2.1% | Porterville Unified School District / 49,730 |
| 156. | 2.1% | Surprise Valley Joint Unified School District / 5,260 |
| 158. | 2.1% | Redding Elementary School District / 34,454 |
| 158. | 2.1% | Wheatland Elementary School District / 8,821 |
| 160. | 2.1% | Hickman Elementary School District / 1,003 |
| 161. | 2.0% | Cayucos Elementary School District / 3,040 |
| 161. | 2.0% | Hydesville Elementary School District / 1,309 |
| 163. | 2.0% | Hesperia Unified School District / 94,484 |
| 163. | 2.0% | Lakeside Union Elementary School District / 39,918 |
| 165. | 2.0% | Lake Elementary School District / 683 |
| 166. | 2.0% | Caruthers Unified School District / 5,454 |
| 167. | 2.0% | Big Springs Union Elementary School District / 1,328 |
| 168. | 1.9% | Cascade Union Elementary School District / 15,135 |
| 168. | 1.9% | Palm Springs Unified School District / 160,668 |
| 170. | 1.9% | Mariposa County Unified School District / 17,979 |
| 171. | 1.9% | Merced City Elementary School District / 79,974 |
| 171. | 1.9% | Mupu Elementary School District / 923 |
| 171. | 1.9% | Orland Joint Unified School District / 12,858 |
| 174. | 1.9% | Gateway Unified School District / 28,910 |
| 175. | 1.9% | Muroc Joint Unified School District / 7,030 |
| 175. | 1.9% | Wright Elementary School District / 16,348 |
| 177. | 1.9% | Gratton Elementary School District / 517 |
| 177. | 1.9% | Bear Valley Unified School District / 17,590 |
| 179. | 1.9% | Robla Elementary School District / 19,199 |
| 179. | 1.9% | Fall River Joint Unified School District / 7,688 |
| 179. | 1.9% | Twin Rivers Unified School District in Robla / 19,199 |
| 182. | 1.9% | Pollock Pines Elementary School District / 9,282 |
| 183. | 1.9% | Shasta Union High School District / 101,545 |
| 183. | 1.9% | Colusa Unified School District / 7,998 |
| 185. | 1.8% | Del Norte County Unified School District / 28,471 |
| 185. | 1.8% | Porterville Unified (9-12) School District / 47,048 |
| 187. | 1.8% | Lompoc Unified School District / 56,974 |
| 188. | 1.8% | Greenfield Union Elementary School District / 46,305 |
| 189. | 1.8% | Warner Unified School District / 1,824 |
| 190. | 1.8% | Merced Union High School District / 162,956 |
| 191. | 1.7% | Anderson Union High School District / 38,427 |
| 191. | 1.7% | Twin Rivers Unified School District in Elverta / 2,786 |
| 191. | 1.7% | Elverta Joint Elementary School District / 2,786 |
| 191. | 1.7% | Columbia Union Elementary School District / 6,707 |
| 195. | 1.7% | Valley Home Joint Elementary School District / 1,888 |
| 196. | 1.7% | Hamilton Union Elementary School District / 2,685 |
| 196. | 1.7% | Enterprise Elementary School District / 32,547 |
| 198. | 1.7% | Los Alamos Elementary School District / 1,493 |
| 198. | 1.7% | Pleasant View Elementary School District / 2,252 |
| 198. | 1.7% | Menifee Union Elementary School District / 73,977 |
| 201. | 1.7% | Cloverdale Unified School District / 10,681 |
| 202. | 1.7% | Reeds Creek Elementary School District / 1,245 |
| 202. | 1.7% | Weed Union Elementary School District / 4,232 |
| 202. | 1.7% | Ballico-Cressey Elementary School District / 2,511 |
| 202. | 1.7% | Red Bluff Joint Union High School District / 42,550 |
| 206. | 1.7% | Bennett Valley Union Elementary School District / 9,484 |
| 207. | 1.7% | Sutter Union High School District / 8,305 |
| 207. | 1.7% | Calexico Unified School District / 36,436 |
| 209. | 1.7% | Madera Unified School District / 84,605 |
| 210. | 1.6% | Antelope Elementary School District / 4,550 |
| 211. | 1.6% | Dinuba Unified School District / 24,068 |
| 212. | 1.6% | Adelanto Elementary School District / 52,415 |
| 212. | 1.6% | Fresno Unified School District / 382,714 |
| 214. | 1.6% | Arcata Elementary School District / 13,525 |
| 214. | 1.6% | Santa Rita Union Elementary School District / 22,707 |
| 216. | 1.6% | Dinuba Unified (9-12) in Kings River Union / 2,145 |
| 217. | 1.6% | Hart-Ransom Union Elementary School District / 4,141 |
| 218. | 1.6% | Buttonwillow Union Elementary School District / 2,266 |
| 218. | 1.6% | Ready Springs Union Elementary School District / 4,536 |
| 218. | 1.6% | Dehesa Elementary School District / 1,958 |
| 221. | 1.6% | Corcoran Joint Unified School District / 26,022 |
| 222. | 1.6% | Seeley Union Elementary School District / 2,842 |
| 222. | 1.6% | Hemet Unified School District / 131,613 |
| 224. | 1.6% | Whittier City Elementary School District / 66,770 |
| 225. | 1.5% | Cutler-Orosi Joint Unified School District / 17,996 |
| 226. | 1.5% | Red Bluff Union Elementary School District / 21,102 |
| 226. | 1.5% | Kern Union High School District / 578,175 |
| 228. | 1.5% | San Jacinto Unified School District / 42,912 |
| 228. | 1.5% | Cottonwood Union Elementary School District / 8,350 |
| 230. | 1.5% | Mountain View Elementary School District / 56,815 |
| 230. | 1.5% | Bishop Union Elementary School District / 12,199 |
| 232. | 1.5% | Tulare Joint Union High School District / 75,361 |
| 233. | 1.5% | Brittan Elementary School District / 4,192 |
| 233. | 1.5% | Washington Unified School District / 45,961 |
| 235. | 1.5% | Center Joint Unified School District / 28,302 |
| 235. | 1.5% | Cajon Valley Union Elementary School District / 158,544 |
| 235. | 1.5% | Modesto City Elementary School District / 114,032 |
| 238. | 1.4% | Stanislaus Union Elementary School District / 29,217 |
| 239. | 1.4% | Rio Elementary School District / 36,281 |
| 240. | 1.4% | Junction Elementary School District / 4,179 |
| 241. | 1.4% | Freshwater Elementary School District / 2,745 |
| 242. | 1.4% | Siskiyou Union High School District / 16,283 |
| 243. | 1.4% | Susanville Elementary School District / 14,452 |
| 243. | 1.4% | Bakersfield City Elementary School District / 184,956 |
| 243. | 1.4% | Eastside Union Elementary School District / 20,192 |
| 246. | 1.4% | Southern Humboldt Joint Unified School District / 6,517 |
| 246. | 1.4% | Kingsburg Joint Union Elementary School District / 14,780 |
| 246. | 1.4% | Perris Union High School District / 150,061 |
| 246. | 1.4% | Sunnyside Union Elementary School District / 2,912 |
| 246. | 1.4% | Mark West Union Elementary School District / 14,327 |
| 251. | 1.4% | Tulelake Basin Joint Unified School District / 2,714 |
| 251. | 1.4% | Eureka City Unified School District / 34,096 |
| 251. | 1.4% | Tulare City Elementary School District / 57,933 |
| 254. | 1.4% | Arvin Union Elementary School District / 18,629 |
| 255. | 1.3% | Lucia Mar Unified School District / 75,064 |
| 256. | 1.3% | Franklin Elementary School District / 2,303 |
| 256. | 1.3% | Kingsburg Joint Union High School District / 17,664 |
| 256. | 1.3% | San Lorenzo Valley Unified School District / 24,377 |
| 259. | 1.3% | Rincon Valley Union Elementary School District / 40,012 |
| 259. | 1.3% | Mountain Empire Unified School District / 10,598 |
| 259. | 1.3% | Grossmont Union High School District / 446,035 |
| 262. | 1.3% | Victor Valley Union High School District / 149,896 |
| 262. | 1.3% | Perris Elementary School District / 46,208 |
| 264. | 1.3% | Apple Valley Unified School District / 75,578 |
| 264. | 1.3% | Willits Unified School District / 12,858 |
| 264. | 1.3% | Visalia Unified School District / 136,458 |
| 264. | 1.3% | Bishop Joint Union High School District / 13,417 |
| 268. | 1.3% | River Delta Joint Unified School District / 13,496 |
| 268. | 1.3% | Shoreline Unified School District / 5,837 |
| 270. | 1.3% | Palo Verde Unified School District / 19,773 |
| 270. | 1.3% | Victor Elementary School District / 91,911 |
| 272. | 1.3% | La Mesa-Spring Valley School District / 128,946 |
| 272. | 1.3% | Waterford Unified School District / 9,206 |
| 274. | 1.2% | Wheatland Union High School District / 11,758 |
| 274. | 1.2% | Stockton Unified School District / 198,864 |
| 274. | 1.2% | Lemon Grove Elementary School District / 34,855 |
| 277. | 1.2% | Colton Joint Unified School District / 116,163 |
| 277. | 1.2% | Sacramento City Unified School District / 322,781 |
| 279. | 1.2% | Sanger Unified School District / 46,274 |
| 279. | 1.2% | Livingston Union Elementary School District / 15,427 |
| 279. | 1.2% | Fort Bragg Unified School District / 14,042 |
| 282. | 1.2% | Mendota Unified School District / 11,550 |
| 283. | 1.2% | Hamilton Union High School District / 3,344 |
| 283. | 1.2% | Bellflower Unified School District / 80,760 |
| 283. | 1.2% | Lakeside Union Elementary School District / 8,356 |
| 283. | 1.2% | Dos Palos-Oro Loma Joint Unified School District / 10,497 |
| 287. | 1.2% | National Elementary School District / 56,082 |
| 288. | 1.2% | Fontana Unified School District / 169,202 |
| 289. | 1.2% | Santa Rosa High School District / 201,549 |
| 289. | 1.2% | San Bernardino City Unified School District / 251,095 |
| 291. | 1.2% | Sebastopol Union Elementary School District / 11,712 |
| 291. | 1.2% | Reed Union Elementary School District / 13,510 |
| 293. | 1.1% | Fruitvale Elementary School District / 18,274 |
| 293. | 1.1% | Amador County Unified School District / 38,327 |
| 293. | 1.1% | Exeter Union Elementary School District / 13,079 |
| 293. | 1.1% | Garden Grove Unified School District / 273,293 |
| 297. | 1.1% | Magnolia Elementary School District / 60,929 |
| 297. | 1.1% | Ocean View Elementary School District / 17,468 |
| 299. | 1.1% | Lodi Unified School District / 169,669 |
| 299. | 1.1% | Jacoby Creek Elementary School District / 2,534 |
| 301. | 1.1% | Santa Ana Unified School District / 254,398 |
| 301. | 1.1% | Santa Maria Joint Union High School District / 136,726 |
| 303. | 1.1% | Vallejo City Unified School District / 119,179 |
| 304. | 1.1% | Paso Robles Joint Unified School District / 39,311 |
| 305. | 1.1% | Paradise Unified School District / 39,935 |
| 305. | 1.1% | Downey Unified School District / 118,724 |
| 305. | 1.1% | Vista Unified School District / 143,530 |
| 305. | 1.1% | Oxnard Elementary School District / 120,718 |
| 305. | 1.1% | Val Verde Unified School District / 74,846 |
| 310. | 1.1% | Brentwood Union Elementary School District / 48,576 |
| 310. | 1.1% | Foresthill Union Elementary School District / 5,927 |
| 312. | 1.1% | Jurupa Unified School District / 96,161 |
| 312. | 1.1% | Los Olivos Elementary School District / 1,641 |
| 314. | 1.0% | Twin Rivers Unified School District / 156,816 |
| 314. | 1.0% | Soledad Unified School District / 25,916 |
| 314. | 1.0% | Los Nietos Elementary School District / 15,821 |
| 317. | 1.0% | Farmersville Unified School District / 11,135 |
| 318. | 1.0% | Bonita Unified School District / 62,845 |
| 318. | 1.0% | Chico Unified School District / 106,171 |
| 318. | 1.0% | Rowland Unified School District / 110,577 |
| 318. | 1.0% | Coronado Unified School District / 19,721 |
| 318. | 1.0% | Santa Paula Elementary School District / 27,906 |
| 318. | 1.0% | Chowchilla Union High School District / 23,232 |
| 324. | 1.0% | Alisal Union Elementary School District / 56,766 |
| 324. | 1.0% | Placer Hills Union Elementary School District / 13,669 |
| 324. | 1.0% | Armona Union Elementary School District / 5,941 |
| 324. | 1.0% | Waugh Elementary School District / 6,652 |
| 328. | 1.0% | Anaheim Elementary School District / 192,456 |
| 328. | 1.0% | Kerman Unified School District / 18,154 |
| 328. | 1.0% | Ripon Unified School District / 17,041 |
| 331. | 1.0% | Millville Elementary School District / 1,532 |
| 331. | 1.0% | Ceres Unified School District / 54,578 |
| 333. | 1.0% | Galt Joint Union High School District / 36,744 |
| 333. | 1.0% | Redlands Unified School District / 123,547 |
| 333. | 1.0% | Escondido Union Elementary School District / 158,178 |
| 336. | 1.0% | Hawthorne Elementary School District / 73,606 |
| 336. | 1.0% | Orcutt Union Elementary School District / 33,453 |
| 336. | 1.0% | Hayward Unified School District / 163,581 |
| 336. | 1.0% | Rosedale Union Elementary School District / 41,825 |
| 340. | 1.0% | Thermalito Union Elementary School District / 16,499 |
| 340. | 1.0% | Exeter Union High School District / 15,627 |
| 340. | 1.0% | Santa Paula Union High School District / 32,745 |
| 340. | 1.0% | Snowline Joint Unified School District / 34,854 |
| 344. | 1.0% | Southside Elementary School District / 3,151 |
| 344. | 1.0% | Escondido Union High School District / 161,400 |
| 344. | 1.0% | Modesto City High School District / 265,896 |
| 344. | 1.0% | Lemoore Union Elementary School District / 25,359 |
| 348. | 0.9% | Norwalk-La Mirada Unified School District / 123,946 |
| 348. | 0.9% | Centralia Elementary School District / 55,984 |
| 350. | 0.9% | Hughson Unified School District / 8,290 |
| 351. | 0.9% | Piner-Olivet Union Elementary School District / 14,777 |
| 351. | 0.9% | Oceanside Unified School District / 135,765 |
| 351. | 0.9% | Whittier Union High School District / 219,255 |
| 354. | 0.9% | Roseland Elementary School District / 11,585 |
| 355. | 0.9% | Savanna Elementary School District / 27,737 |
| 356. | 0.9% | Moorpark Unified School District / 34,798 |
| 357. | 0.9% | San Lorenzo Unified School District / 76,453 |
| 357. | 0.9% | Lancaster Elementary School District / 113,507 |
| 357. | 0.9% | Lynwood Unified School District / 68,586 |
| 360. | 0.9% | Brisbane Elementary School District / 7,482 |
| 360. | 0.9% | Alpine Union Elementary School District / 16,984 |
| 362. | 0.9% | Panama-Buena Vista Union Elementary School District / 114,795 |
| 362. | 0.9% | Central Elementary School District / 38,314 |
| 362. | 0.9% | Grant Elementary School District / 3,386 |
| 365. | 0.9% | Tehachapi Unified School District / 35,154 |
| 365. | 0.9% | North Monterey County Unified School District / 27,172 |
| 367. | 0.8% | Chowchilla Elementary School District / 21,281 |
| 367. | 0.8% | Lassen Union High School District / 25,702 |
| 369. | 0.8% | Yuba City Unified School District / 72,265 |
| 369. | 0.8% | Hughes-Elizabeth Lakes Union Elementary School District / 3,787 |
| 371. | 0.8% | Anaheim Union High School District / 380,511 |
| 371. | 0.8% | Hacienda La Puente Unified School District / 116,380 |
| 371. | 0.8% | Lemoore Union High School District / 38,142 |
| 371. | 0.8% | Santa Maria-Bonita Elementary School District / 93,970 |
| 371. | 0.8% | Menlo Park City Elementary School District / 26,074 |
| 371. | 0.8% | Lake Tahoe Unified School District / 29,684 |
| 377. | 0.8% | Pittsburg Unified School District / 54,446 |
| 377. | 0.8% | Wilsona Elementary School District / 10,966 |
| 379. | 0.8% | Manteca Unified School District / 114,621 |
| 380. | 0.8% | Oxnard Union High School District / 308,132 |
| 380. | 0.8% | Santa Cruz City Elementary School District / 60,968 |
| 380. | 0.8% | Garvey Elementary School District / 50,515 |
| 380. | 0.8% | Alhambra Unified (9-12) School District / 50,515 |
| 384. | 0.8% | Hanford Elementary School District / 43,973 |
| 384. | 0.8% | Hueneme Elementary School District / 55,181 |
| 384. | 0.8% | Yucaipa-Calimesa Joint Unified School District / 58,588 |
| 384. | 0.8% | Name N/A / 10,288,848 |
| 388. | 0.8% | Los Alamitos Unified School District / 48,443 |
| 388. | 0.8% | Salinas Union High School District / 167,625 |
| 388. | 0.8% | Rescue Union Elementary School District / 34,832 |
| 388. | 0.8% | Martinez Unified School District / 27,299 |
| 392. | 0.8% | Rim of the World Unified School District / 24,074 |
| 392. | 0.8% | Atascadero Unified School District / 34,413 |
| 394. | 0.7% | Galt Joint Union Elementary School District / 28,521 |
| 394. | 0.7% | El Monte City Elementary School District / 83,570 |
| 394. | 0.7% | Beaumont Unified School District / 42,716 |
| 394. | 0.7% | Sausalito Elementary School District / 10,569 |
| 398. | 0.7% | El Monte Union High School District / 174,677 |
| 398. | 0.7% | Kings River Union Elementary School District / 3,082 |
| 398. | 0.7% | Ontario-Montclair Elementary School District / 169,986 |
| 398. | 0.7% | Mount Pleasant Elementary School District / 20,848 |
| 398. | 0.7% | Chula Vista Elementary School District / 266,729 |
| 403. | 0.7% | Napa Valley Unified School District / 112,758 |
| 403. | 0.7% | Pajaro Valley Joint Unified School District / 109,387 |
| 403. | 0.7% | Liberty Union High School District / 96,009 |
| 403. | 0.7% | Sweetwater Union High School District / 435,626 |
| 403. | 0.7% | Sierra Unified School District / 10,300 |
| 403. | 0.7% | Hilmar Unified School District / 9,438 |
| 409. | 0.7% | Paramount Unified School District / 78,327 |
| 409. | 0.7% | Westminster Elementary School District / 82,974 |
| 409. | 0.7% | East Whittier City Elementary School District / 74,082 |
| 412. | 0.7% | Valley Center-Pauma Unified School District / 23,802 |
| 412. | 0.7% | San Gabriel Unified School District / 41,235 |
| 414. | 0.7% | Oakdale Joint Unified School District / 27,608 |
| 414. | 0.7% | El Rancho Unified School District / 60,760 |
| 414. | 0.7% | San Juan Unified School District / 322,318 |
| 417. | 0.7% | Yosemite Unified School District in Bass Lake / 12,318 |
| 417. | 0.7% | Baldwin Park Unified School District / 74,189 |
| 417. | 0.7% | Compton Unified School District / 152,473 |
| 417. | 0.7% | Bass Lake Joint Union Elementary School District / 12,318 |
| 421. | 0.7% | Santee Elementary School District / 56,440 |
| 422. | 0.7% | Mill Valley Elementary School District / 30,354 |
| 422. | 0.7% | Riverside Unified School District / 238,761 |
| 422. | 0.7% | Valle Lindo Elementary School District / 6,203 |
| 422. | 0.7% | Woodlake Union Elementary School District / 9,821 |
| 422. | 0.7% | Lowell Joint Elementary School District / 33,370 |
| 427. | 0.7% | Azusa Unified School District / 64,567 |
| 427. | 0.7% | Long Beach Unified School District / 509,460 |
| 427. | 0.7% | Fairfield-Suisun Unified School District / 128,760 |
| 427. | 0.7% | Pleasant Ridge Union Elementary School District / 21,940 |
| 427. | 0.7% | Ojai Unified School District / 22,039 |
| 432. | 0.6% | ABC Unified School District / 106,976 |
| 432. | 0.6% | Blue Lake Union Elementary School District / 2,446 |
| 432. | 0.6% | Greenfield Union Elementary School District / 15,895 |
| 435. | 0.6% | Gold Oak Union Elementary School District / 8,333 |
| 435. | 0.6% | Newman-Crows Landing Unified School District / 12,154 |
| 437. | 0.6% | South Whittier Elementary School District / 28,410 |
| 437. | 0.6% | Mother Lode Union Elementary School District / 15,335 |
| 437. | 0.6% | Nevada City Elementary School District / 16,341 |
| 437. | 0.6% | Salinas City Elementary School District / 73,881 |
| 437. | 0.6% | San Luis Coastal Unified School District / 88,333 |
| 442. | 0.6% | Sonora Union High School District / 41,413 |
| 442. | 0.6% | Mark Twain Union Elementary School District / 9,268 |
| 442. | 0.6% | Oakland Unified School District / 387,092 |
| 442. | 0.6% | Walnut Creek Elementary School District / 48,831 |
| 446. | 0.6% | Ventura Unified School District / 116,842 |
| 446. | 0.6% | Santa Cruz City High School District / 89,118 |
| 448. | 0.6% | San Diego City Unified School District / 1,004,518 |
| 448. | 0.6% | West Covina Unified School District / 60,844 |
| 450. | 0.6% | El Dorado Union High School District / 135,298 |
| 450. | 0.6% | Bassett Unified School District / 27,348 |
| 452. | 0.6% | Piedmont City Unified School District / 10,573 |
| 452. | 0.6% | Fullerton Elementary School District / 115,657 |
| 452. | 0.6% | Turlock Unified School District / 70,036 |
| 455. | 0.6% | Jefferson Elementary School District / 85,478 |
| 455. | 0.6% | Castro Valley Unified School District / 48,498 |
| 455. | 0.6% | Banning Unified School District / 32,904 |
| 455. | 0.6% | Ross Elementary School District / 2,218 |
| 455. | 0.6% | Antelope Valley Union High School District / 357,989 |
| 455. | 0.6% | Alvord Unified School District / 106,186 |
| 461. | 0.6% | Franklin-McKinley Elementary School District / 84,577 |
| 461. | 0.6% | Oakley Union Elementary School District / 31,516 |
| 461. | 0.6% | Soquel Elementary School District / 25,679 |
| 461. | 0.6% | Santa Cruz City High School District (9-12) in Soquel / 25,679 |
| 465. | 0.5% | Sylvan Union Elementary School District / 71,682 |
| 465. | 0.5% | Rialto Unified School District / 121,413 |
| 465. | 0.5% | Ukiah Unified School District / 40,268 |
| 465. | 0.5% | Montebello Unified School District / 164,166 |
| 465. | 0.5% | Western Placer Unified School District / 45,740 |
| 470. | 0.5% | Elk Grove Unified School District / 301,717 |
| 470. | 0.5% | Burton Elementary School District / 17,339 |
| 470. | 0.5% | Goleta Union Elementary School District / 74,866 |
| 470. | 0.5% | Newhall Elementary School District / 73,001 |
| 470. | 0.5% | Monterey Peninsula Unified School District / 86,863 |
| 470. | 0.5% | Cotati-Rohnert Park Unified School District / 50,730 |
| 470. | 0.5% | Hanford Joint Union High School District / 68,653 |
| 470. | 0.5% | Nevada Joint Union High School District / 81,761 |
| 478. | 0.5% | Antioch Unified School District / 105,112 |
| 478. | 0.5% | Buckeye Union Elementary School District / 35,297 |
| 478. | 0.5% | Windsor Unified School District / 27,653 |
| 478. | 0.5% | Little Lake City Elementary School District / 34,172 |
| 482. | 0.5% | Romoland Elementary School District / 21,540 |
| 482. | 0.5% | Sulphur Springs Union Elementary School District / 58,702 |
| 482. | 0.5% | Placentia-Yorba Linda Unified School District / 151,488 |
| 482. | 0.5% | Tamalpais Union High School District / 111,443 |
| 486. | 0.5% | Alum Rock Union Elementary School District / 105,291 |
| 486. | 0.5% | South Bay Union Elementary School District / 75,025 |
| 486. | 0.5% | Fountain Valley Elementary School District / 53,610 |
| 489. | 0.5% | Mojave Unified School District / 17,649 |
| 489. | 0.5% | Centinela Valley Union High School District / 160,689 |
| 489. | 0.5% | Larkspur Elementary School District / 13,695 |
| 489. | 0.5% | Santa Rosa Elementary School District / 68,858 |
| 489. | 0.5% | Moraga Elementary School District / 16,067 |
| 489. | 0.5% | San Ysidro Elementary School District / 37,790 |
| 495. | 0.5% | Riverbank Unified School District / 14,596 |
| 495. | 0.5% | San Mateo-Foster City Elementary School District / 125,649 |
| 495. | 0.5% | South San Francisco Unified School District / 75,176 |
| 495. | 0.5% | Roseville City Elementary School District / 77,769 |
| 495. | 0.5% | Newport-Mesa Unified School District / 192,913 |
| 495. | 0.5% | Sunnyvale Elementary School District / 85,008 |
| 501. | 0.5% | Chaffey Joint Union High School District / 394,517 |
| 501. | 0.5% | Santa Clara Unified School District / 138,044 |
| 501. | 0.5% | Petaluma City Elementary School District / 30,464 |
| 501. | 0.5% | Corona-Norco Unified School District / 249,693 |
| 501. | 0.5% | Orange Unified School District / 217,670 |
| 501. | 0.5% | Redondo Beach Unified School District / 66,054 |
| 507. | 0.5% | Placer Union High School District / 85,437 |
| 507. | 0.5% | Torrance Unified School District / 143,725 |
| 507. | 0.5% | Moreno Valley Unified School District / 163,120 |
| 507. | 0.5% | San Leandro Unified School District / 65,760 |
| 511. | 0.5% | Claremont Unified School District / 41,042 |
| 511. | 0.5% | Pomona Unified School District / 166,573 |
| 511. | 0.5% | Fremont Union High School District / 219,732 |
| 511. | 0.5% | Saddleback Valley Unified School District / 204,866 |
| 511. | 0.5% | Fullerton Joint Union High School District / 246,700 |
| 516. | 0.4% | San Jose Unified School District / 246,701 |
| 516. | 0.4% | Albany City Unified School District / 17,921 |
| 516. | 0.4% | Clovis Unified School District / 184,939 |
| 516. | 0.4% | Grass Valley Elementary School District / 23,851 |
| 516. | 0.4% | Woodlake Union High School District / 12,877 |
| 516. | 0.4% | Irvine Unified School District / 176,030 |
| 522. | 0.4% | Upland Unified School District / 74,125 |
| 522. | 0.4% | Black Oak Mine Unified School District / 13,316 |
| 522. | 0.4% | Desert Sands Unified School District / 173,366 |
| 522. | 0.4% | Cupertino Union Elementary School District / 134,724 |
| 526. | 0.4% | Loomis Union Elementary School District / 19,492 |
| 526. | 0.4% | Vacaville Unified School District / 76,359 |
| 526. | 0.4% | Lawndale Elementary School District / 48,031 |
| 529. | 0.4% | Temecula Valley Unified School District / 132,171 |
| 529. | 0.4% | Santa Barbara High School District / 183,299 |
| 529. | 0.4% | Duarte Unified School District / 26,754 |
| 529. | 0.4% | Los Angeles Unified School District / 4,515,558 |
| 529. | 0.4% | Glendora Unified School District / 36,893 |
| 529. | 0.4% | Milpitas Unified School District / 64,466 |
| 529. | 0.4% | John Swett Unified School District / 14,374 |
| 536. | 0.4% | Manhattan Beach Unified School District / 34,867 |
| 536. | 0.4% | Charter Oak Unified School District / 34,874 |
| 536. | 0.4% | Campbell Union Elementary School District / 88,546 |
| 536. | 0.4% | Jefferson Union High School District / 139,859 |
| 536. | 0.4% | Central Unified School District / 67,735 |
| 541. | 0.4% | Knightsen Elementary School District / 2,550 |
| 541. | 0.4% | Simi Valley Unified School District / 125,441 |
| 541. | 0.4% | Norris Elementary School District / 22,676 |
| 541. | 0.4% | Buena Park Elementary School District / 47,641 |
| 541. | 0.4% | Live Oak Elementary School District / 21,278 |
| 541. | 0.4% | Inglewood Unified School District / 112,706 |
| 541. | 0.4% | Redwood City Elementary School District / 92,312 |
| 548. | 0.4% | Mount Diablo Unified School District / 247,982 |
| 548. | 0.4% | Huntington Beach Union High School District / 309,709 |
| 548. | 0.4% | Santa Barbara Elementary School District / 84,186 |
| 548. | 0.4% | Curtis Creek Elementary School District / 10,245 |
| 548. | 0.4% | Conejo Valley Unified School District / 132,915 |
| 553. | 0.4% | Westside Union Elementary School District / 64,222 |
| 553. | 0.4% | Golden Valley Unified School District / 10,830 |
| 553. | 0.4% | Belmont-Redwood Shores Elementary School District / 40,371 |
| 553. | 0.4% | West Contra Costa Unified School District / 233,090 |
| 553. | 0.4% | Healdsburg Unified School District / 15,413 |
| 553. | 0.4% | Acalanes Union High School District / 108,876 |
| 559. | 0.4% | Petaluma Joint Union High School District / 73,059 |
| 559. | 0.4% | Sonoma Valley Unified School District / 39,242 |
| 559. | 0.4% | William S. Hart Union High School District / 259,863 |
| 559. | 0.4% | Benicia Unified School District / 27,061 |
| 559. | 0.4% | Ramona City Unified School District / 36,826 |
| 564. | 0.4% | Coalinga-Huron Joint Unified School District / 21,425 |
| 564. | 0.4% | Murrieta Valley Unified School District / 97,294 |
| 564. | 0.4% | San Marcos Unified School District / 105,868 |
| 564. | 0.4% | Salida Union Elementary School District / 20,287 |
| 564. | 0.4% | Folsom-Cordova Unified School District / 119,769 |
| 564. | 0.4% | Chino Valley Unified School District / 171,663 |
| 570. | 0.3% | Dixon Unified School District / 20,649 |
| 570. | 0.3% | Palmdale Elementary School District / 126,296 |
| 570. | 0.3% | Carlsbad Unified School District / 67,697 |
| 570. | 0.3% | East Side Union High School District / 511,879 |
| 574. | 0.3% | Patterson Joint Unified School District / 26,513 |
| 574. | 0.3% | Fremont Unified School District / 209,235 |
| 574. | 0.3% | San Mateo Union High School District / 221,491 |
| 574. | 0.3% | Bret Harte Union High School District / 18,732 |
| 574. | 0.3% | Coachella Valley Unified School District / 74,022 |
| 574. | 0.3% | Sequoia Union High School District / 239,901 |
| 574. | 0.3% | Hope Elementary School District / 14,583 |
| 574. | 0.3% | Brawley Elementary School District / 25,141 |
| 574. | 0.3% | McCabe Union Elementary School District / 6,638 |
| 583. | 0.3% | Dublin Unified School District / 42,433 |
| 583. | 0.3% | Arcadia Unified School District / 56,586 |
| 583. | 0.3% | Tustin Unified School District / 128,095 |
| 583. | 0.3% | Alta Loma Elementary School District / 55,234 |
| 587. | 0.3% | Pleasant Valley Elementary School District / 71,399 |
| 587. | 0.3% | Etiwanda Elementary School District / 84,137 |
| 587. | 0.3% | King City Joint Union High School District / 34,352 |
| 587. | 0.3% | San Bruno Park Elementary School District / 35,630 |
| 587. | 0.3% | Los Gatos Union Elementary School District / 27,044 |
| 592. | 0.3% | Brea-Olinda Unified School District / 36,783 |
| 592. | 0.3% | Palo Alto Unified School District / 79,564 |
| 592. | 0.3% | Roseville Joint Union High School District / 158,130 |
| 592. | 0.3% | Eureka Union Elementary School District / 28,815 |
| 592. | 0.3% | Brawley Union High School District / 27,452 |
| 592. | 0.3% | Ocean View Elementary School District / 91,133 |
| 592. | 0.3% | Mountain View Whisman Elementary School District / 63,271 |
| 592. | 0.3% | Newark Unified School District / 41,981 |
| 600. | 0.3% | Central Union High School District / 55,026 |
| 600. | 0.3% | Lennox Elementary School District / 27,673 |
| 600. | 0.3% | Oak Grove Elementary School District / 106,919 |
| 600. | 0.3% | Lake Elsinore Unified School District / 113,260 |
| 600. | 0.3% | San Francisco Unified School District / 789,172 |
| 600. | 0.3% | Empire Union Elementary School District / 24,973 |
| 606. | 0.3% | Palos Verdes Peninsula Unified School District / 60,470 |
| 606. | 0.3% | Morgan Hill Unified School District / 58,752 |
| 606. | 0.3% | Temple City Unified School District / 35,682 |
| 609. | 0.3% | Saugus Union Elementary School District / 97,528 |
| 609. | 0.3% | El Centro Elementary School District / 37,027 |
| 611. | 0.3% | Poway Unified School District / 185,867 |
| 611. | 0.3% | Evergreen Elementary School District / 98,062 |
| 611. | 0.3% | Campbell Union High School District / 212,690 |
| 611. | 0.3% | Calaveras Unified School District / 27,262 |
| 611. | 0.3% | San Rafael City Elementary School District / 54,029 |
| 616. | 0.3% | Solana Beach Elementary School District / 34,879 |
| 617. | 0.2% | La Canada Unified School District / 17,706 |
| 617. | 0.2% | San Benito High School District / 49,845 |
| 617. | 0.2% | Alameda City Unified School District / 72,512 |
| 617. | 0.2% | West Sonoma County Union High School District / 48,530 |
| 617. | 0.2% | Capistrano Unified School District / 333,515 |
| 617. | 0.2% | Cabrillo Unified School District / 24,069 |
| 617. | 0.2% | New Haven Unified School District / 72,267 |
| 624. | 0.2% | Novato Unified School District / 56,700 |
| 624. | 0.2% | Cambrian Elementary School District / 30,619 |
| 624. | 0.2% | Encinitas Union Elementary School District / 68,388 |
| 627. | 0.2% | Davis Joint Unified School District / 75,593 |
| 627. | 0.2% | Hollister School District / 42,169 |
| 627. | 0.2% | Covina-Valley Unified School District / 76,868 |
| 630. | 0.2% | Culver City Unified School District / 38,994 |
| 630. | 0.2% | Fallbrook Union Elementary School District / 58,690 |
| 630. | 0.2% | Pasadena Unified School District / 203,641 |
| 630. | 0.2% | Lafayette Elementary School District / 26,288 |
| 634. | 0.2% | Mountain View-Los Altos Union School District / 103,142 |
| 634. | 0.2% | Berryessa Union Elementary School District / 80,350 |
| 634. | 0.2% | Santa Monica-Malibu Unified School District / 106,823 |
| 637. | 0.2% | Gilroy Unified School District / 55,777 |
| 638. | 0.2% | South Pasadena Unified School District / 25,376 |
| 638. | 0.2% | Ross Valley Elementary School District / 23,119 |
| 638. | 0.2% | Walnut Valley Unified School District / 57,223 |
| 638. | 0.2% | Old Adobe Union Elementary School District / 25,318 |
| 642. | 0.2% | San Carlos Elementary School District / 26,262 |
| 642. | 0.2% | Alhambra Unified School District / 116,648 |
| 642. | 0.2% | Tracy Joint Unified School District / 71,984 |
| 642. | 0.2% | Union Elementary School District / 42,360 |
| 646. | 0.2% | Las Virgenes Unified School District / 65,090 |
| 646. | 0.2% | San Rafael City High School District / 75,957 |
| 646. | 0.2% | Moreland Elementary School District / 47,781 |
| 646. | 0.2% | Burbank Unified School District / 102,723 |
| 646. | 0.2% | Huntington Beach City Elementary School District / 81,992 |
| 646. | 0.2% | Pacheco Union Elementary School District / 8,855 |
| 646. | 0.2% | Los Gatos-Saratoga Joint Union School District / 53,179 |
| 646. | 0.2% | Laguna Salada Union Elementary School District / 36,040 |
| 654. | 0.2% | Pleasanton Unified School District / 68,442 |
| 654. | 0.2% | San Dieguito Union High School District / 158,988 |
| 656. | 0.1% | Rocklin Unified School District / 54,111 |
| 657. | 0.1% | Glendale Unified School District / 214,744 |
| 657. | 0.1% | Fallbrook Union High School District / 78,394 |
| 657. | 0.1% | San Ramon Valley Unified School District / 137,542 |
| 660. | 0.1% | Cypress Elementary School District / 43,405 |
| 660. | 0.1% | Santa Ynez Valley Union High School District / 20,888 |
| 662. | 0.1% | Los Altos Elementary School District / 39,871 |
| 663. | 0.1% | Monrovia Unified School District / 43,818 |
| 664. | 0.1% | Dry Creek Joint Elementary School District / 51,546 |
| 664. | 0.1% | Berkeley Unified School District / 109,225 |
| 666. | 0.1% | Livermore Valley Joint Unified School District / 81,521 |
| 666. | 0.1% | La Habra City Elementary School District / 50,032 |
| 668. | 0.0% | Lincoln Unified School District / 41,444 |
Please note that we only rank locations with 'Percentage of House with a Mortgage where Monthly Holding Costs $300-$500' data. The rank above might not be a complete list. Locations without 'Percentage of House with a Mortgage where Monthly Holding Costs $300-$500' data are not listed.
*ACS stands for U.S. Census American Community Survey. According to the U.S. Census, if the date is a range, you can interpret the data as an average of the period of time.
