| Rank | Attached One Unit House Percentage ▼ | School District / Population |
| 1. | 18.7% | Gilbert Community School District / 6,714 |
| 2. | 17.0% | Waukee Community School District / 41,420 |
| 3. | 15.6% | Clear Creek-Amana Community School District / 12,321 |
| 4. | 15.1% | Johnston Community School District / 34,241 |
| 5. | 13.5% | Ankeny Community School District / 53,970 |
| 6. | 12.5% | Southeast Polk Community School District / 33,956 |
| 7. | 11.8% | Panorama Community School District / 4,575 |
| 8. | 11.8% | Linn-Mar Community School District / 37,068 |
| 9. | 11.5% | Iowa City Community School District / 110,675 |
| 10. | 10.9% | Sergeant Bluff-Luton Community School District / 6,278 |
| 11. | 10.6% | Pleasant Valley Community School District / 20,099 |
| 12. | 9.3% | Norwalk Community School District / 11,717 |
| 13. | 8.9% | West Des Moines Community School District / 65,738 |
| 14. | 7.9% | Urbandale Community School District / 20,873 |
| 15. | 7.1% | College Community School District / 24,875 |
| 16. | 6.3% | Ames Community School District / 58,297 |
| 17. | 5.9% | Sioux Center Community School District / 8,923 |
| 18. | 5.9% | Indianola Community School District / 20,037 |
| 19. | 5.8% | Bondurant-Farrar Community School District / 6,685 |
| 20. | 5.8% | Mount Vernon Community School District / 6,779 |
| 21. | 5.4% | North Polk Community School District / 6,798 |
| 22. | 5.3% | West Branch Community School District / 4,319 |
| 23. | 5.1% | MOC-Floyd Valley Community School District / 11,218 |
| 24. | 4.8% | Lewis Central Community School District / 15,278 |
| 25. | 4.8% | Perry Community School District / 10,091 |
| 26. | 4.5% | Ventura Community School District / 1,683 |
| 27. | 4.3% | Bettendorf Community School District / 23,151 |
| 28. | 4.1% | Waterloo Community School District / 77,406 |
| 29. | 4.0% | Des Moines Independent Community School District / 205,612 |
| 30. | 3.9% | Cedar Falls Community School District / 41,989 |
| 31. | 3.7% | Dubuque Community School District / 76,893 |
| 32. | 3.7% | Ogden Community School District / 4,003 |
| 33. | 3.6% | Pleasantville Community School District / 3,661 |
| 34. | 3.6% | Williamsburg Community School District / 6,496 |
| 35. | 3.5% | Adel-De Soto-Minburn Community School District / 8,067 |
| 36. | 3.5% | Clarke Community School District / 8,023 |
| 37. | 3.5% | Gilmore City-Bradgate Community School District / 1,012 |
| 38. | 3.4% | Pella Community School District / 15,556 |
| 39. | 3.4% | Fort Dodge Community School District / 28,658 |
| 40. | 3.3% | PCM Community School District / 5,314 |
| 41. | 3.3% | Van Meter Community School District / 3,282 |
| 42. | 3.3% | Saydel Community School District / 8,103 |
| 42. | 3.3% | Osage Community School District / 5,969 |
| 42. | 3.3% | Webster City Community School District / 9,959 |
| 45. | 3.3% | Woodward-Granger Community School District / 5,287 |
| 46. | 3.3% | Spencer Community School District / 12,952 |
| 47. | 3.2% | Davenport Community School District / 108,996 |
| 48. | 3.2% | Boone Community School District / 14,429 |
| 48. | 3.2% | Hartley-Melvin-Sanborn Community School District / 4,250 |
| 50. | 3.1% | Spirit Lake Community School District / 8,022 |
| 51. | 3.1% | Mid-Prairie Community School District / 9,096 |
| 52. | 3.1% | Remsen-Union Community School District / 3,013 |
| 53. | 3.1% | Earlham Community School District / 3,358 |
| 54. | 3.1% | North Cedar Community School District / 5,101 |
| 55. | 3.0% | Marion Independent School District / 12,255 |
| 55. | 3.0% | MFL MarMac Community School District / 5,471 |
| 57. | 3.0% | Central City Community School District / 2,998 |
| 58. | 3.0% | Carroll Community School District / 14,060 |
| 59. | 3.0% | West Liberty Community School District / 6,333 |
| 60. | 2.9% | Mason City Community School District / 28,622 |
| 61. | 2.9% | Missouri Valley Community School District / 5,140 |
| 62. | 2.8% | Waverly-Shell Rock Community School District / 13,825 |
| 63. | 2.8% | Cedar Rapids Community School District / 120,797 |
| 63. | 2.8% | Keokuk Community School District / 12,931 |
| 65. | 2.8% | Newton Community School District / 21,242 |
| 66. | 2.8% | Dallas Center-Grimes Community School District / 10,190 |
| 67. | 2.8% | Northeast Community School District / 2,941 |
| 68. | 2.7% | Winterset Community School District / 8,821 |
| 69. | 2.7% | Le Mars Community School District / 13,419 |
| 70. | 2.6% | West Burlington Independent School District / 2,839 |
| 70. | 2.6% | St. Ansgar Community School District / 4,065 |
| 70. | 2.6% | Burlington Community School District / 30,070 |
| 73. | 2.6% | Anamosa Community School District / 9,287 |
| 74. | 2.6% | Armstrong-Ringsted Community School District / 2,149 |
| 75. | 2.6% | West Delaware County Community School District / 9,003 |
| 75. | 2.6% | Decorah Community School District / 11,789 |
| 77. | 2.6% | Prairie Valley Community School District / 4,144 |
| 78. | 2.6% | Bedford Community School District / 3,075 |
| 79. | 2.5% | Grinnell-Newburg Community School District / 12,345 |
| 80. | 2.5% | Nevada Community School District / 8,919 |
| 80. | 2.5% | Sioux City Community School District / 83,385 |
| 82. | 2.4% | Independence Community School District / 9,001 |
| 83. | 2.4% | Storm Lake Community School District / 12,212 |
| 84. | 2.3% | Carlisle Community School District / 8,924 |
| 85. | 2.3% | North Scott Community School District / 15,673 |
| 86. | 2.3% | Central Clinton Community School District / 9,489 |
| 87. | 2.2% | Mount Pleasant Community School District / 12,907 |
| 88. | 2.1% | Dike-New Hartford Community School District / 4,498 |
| 89. | 2.1% | Glenwood Community School District / 11,075 |
| 90. | 2.1% | Union Community School District / 6,347 |
| 91. | 2.1% | Rock Valley Community School District / 5,192 |
| 92. | 2.1% | Essex Community School District / 1,445 |
| 93. | 2.0% | Tri-Center Community School District / 3,553 |
| 93. | 2.0% | Okoboji Community School District / 6,700 |
| 95. | 2.0% | Sheldon Community School District / 7,292 |
| 96. | 1.9% | Waco Community School District / 3,209 |
| 97. | 1.9% | Humboldt Community School District / 7,467 |
| 98. | 1.9% | Murray Community School District / 1,200 |
| 99. | 1.9% | Alta Community School District / 2,893 |
| 99. | 1.9% | Roland-Story Community School District / 5,841 |
| 101. | 1.9% | Council Bluffs Community School District / 59,876 |
| 102. | 1.8% | Forest City Community School District / 7,723 |
| 103. | 1.8% | Muscatine Community School District / 29,190 |
| 104. | 1.8% | Iowa Falls Community School District / 7,064 |
| 105. | 1.8% | Garner-Hayfield Community School District / 3,852 |
| 106. | 1.8% | New Hampton Community School District / 7,238 |
| 107. | 1.7% | Hudson Community School District / 3,327 |
| 108. | 1.7% | Eastern Allamakee Community School District / 2,710 |
| 109. | 1.7% | Riverside Community School District / 4,115 |
| 109. | 1.7% | Clear Lake Community School District / 8,752 |
| 111. | 1.7% | Newell-Fonda Community School District / 2,569 |
| 112. | 1.6% | Madrid Community School District / 3,512 |
| 113. | 1.6% | Iowa Valley Community School District / 3,512 |
| 113. | 1.6% | Solon Community School District / 6,638 |
| 115. | 1.6% | Boyden-Hull Community School District / 4,358 |
| 116. | 1.5% | Knoxville Community School District / 11,702 |
| 117. | 1.5% | Algona Community School District / 9,417 |
| 118. | 1.5% | Fort Madison Community School District / 17,216 |
| 118. | 1.5% | Postville Community School District / 3,489 |
| 118. | 1.5% | Riceville Community School District / 2,655 |
| 118. | 1.5% | Rudd-Rockford-Marble Rock Community School District / 2,956 |
| 122. | 1.5% | Gladbrook-Reinbeck Community School District / 4,417 |
| 123. | 1.5% | Battle Creek-Ida Grove Community School District / 3,937 |
| 123. | 1.5% | North Tama County Community School District / 3,086 |
| 123. | 1.5% | Coon Rapids-Bayard Community School District / 2,822 |
| 126. | 1.5% | Washington Community School District / 10,221 |
| 126. | 1.5% | Wilton Community School District / 4,251 |
| 126. | 1.5% | Tipton Community School District / 4,999 |
| 126. | 1.5% | Northwood-Kensett Community School District / 3,314 |
| 126. | 1.5% | Sigourney Community School District / 3,751 |
| 131. | 1.5% | West Marshall Community School District / 4,951 |
| 131. | 1.5% | Howard-Winneshiek Community School District / 9,042 |
| 131. | 1.5% | H-L-V Community School District / 2,207 |
| 131. | 1.5% | Collins-Maxwell Community School District / 2,689 |
| 135. | 1.5% | West Bend-Mallard Community School District / 2,108 |
| 136. | 1.4% | Marshalltown Community School District / 30,396 |
| 136. | 1.4% | United Community School District / 2,145 |
| 138. | 1.4% | Grundy Center Community School District / 3,725 |
| 138. | 1.4% | Denison Community School District / 10,354 |
| 138. | 1.4% | Sioux Central Community School District / 2,581 |
| 138. | 1.4% | Lawton-Bronson Community School District / 3,078 |
| 142. | 1.4% | South O'Brien Community School District / 4,582 |
| 143. | 1.4% | Western Dubuque Community School District / 22,060 |
| 144. | 1.3% | Maquoketa Valley Community School District / 4,450 |
| 145. | 1.3% | Sibley-Ocheyedan Community School District / 4,603 |
| 146. | 1.3% | Belle Plaine Community School District / 3,236 |
| 146. | 1.3% | West Lyon Community School District / 4,823 |
| 148. | 1.3% | Midland Community School District / 3,620 |
| 148. | 1.3% | Central Lyon Community School District / 4,018 |
| 150. | 1.3% | East Marshall Community School District / 4,093 |
| 151. | 1.3% | East Central Community School District / 4,005 |
| 152. | 1.3% | Prescott Community School District / 645 |
| 153. | 1.3% | Durant Community School District / 3,345 |
| 153. | 1.3% | Southeast Warren Community School District / 3,145 |
| 155. | 1.2% | South Tama County Community School District / 8,674 |
| 156. | 1.2% | Clarion-Goldfield Community School District / 4,653 |
| 156. | 1.2% | Clarksville Community School District / 2,094 |
| 158. | 1.2% | East Greene Community School District / 1,714 |
| 158. | 1.2% | Camanche Community School District / 5,616 |
| 160. | 1.2% | Aurelia Community School District / 1,646 |
| 161. | 1.2% | Harlan Community School District / 8,844 |
| 162. | 1.2% | Audubon Community School District / 3,382 |
| 162. | 1.2% | North Fayette Community School District / 6,122 |
| 164. | 1.2% | Logan-Magnolia Community School District / 2,902 |
| 165. | 1.2% | Alburnett Community School District / 3,524 |
| 165. | 1.2% | Interstate 35 Community School District / 4,979 |
| 167. | 1.1% | Southern Cal Community School District / 2,962 |
| 167. | 1.1% | Dunkerton Community School District / 2,499 |
| 169. | 1.1% | Kingsley-Pierson Community School District / 2,646 |
| 169. | 1.1% | North Central Community School District / 5,594 |
| 169. | 1.1% | Jefferson-Scranton Community School District / 6,062 |
| 172. | 1.1% | Ballard Community School District / 7,081 |
| 172. | 1.1% | Janesville Consolidated School District / 2,455 |
| 174. | 1.1% | Hubbard-Radcliffe Community School District / 2,896 |
| 174. | 1.1% | Ottumwa Community School District / 28,949 |
| 176. | 1.1% | Northeast Hamilton Community School District / 1,390 |
| 177. | 1.1% | Albia Community School District / 7,435 |
| 178. | 1.0% | Belmond-Klemme Community School District / 4,389 |
| 179. | 1.0% | Oskaloosa Community School District / 15,978 |
| 179. | 1.0% | Paton-Churdan Community School District / 1,112 |
| 179. | 1.0% | Tripoli Community School District / 2,771 |
| 182. | 1.0% | Davis County Community School District / 8,677 |
| 183. | 1.0% | Pocahontas Area Community School District / 5,262 |
| 184. | 1.0% | Bellevue Community School District / 4,704 |
| 184. | 1.0% | Graettinger Community School District / 2,201 |
| 186. | 1.0% | Montezuma Community School District / 3,480 |
| 187. | 1.0% | Odebolt-Arthur Community School District / 2,227 |
| 188. | 1.0% | West Sioux Community School District / 3,988 |
| 188. | 1.0% | Chariton Community School District / 8,330 |
| 190. | 1.0% | Vinton-Shellsburg Community School District / 10,383 |
| 190. | 1.0% | Lamoni Community School District / 3,133 |
| 192. | 0.9% | Name N/A / 1,412 |
| 192. | 0.9% | BCLUW Community School District / 3,214 |
| 194. | 0.9% | Benton Community School District / 9,202 |
| 194. | 0.9% | Sumner Community School District / 3,448 |
| 194. | 0.9% | Lone Tree Community School District / 2,278 |
| 197. | 0.9% | Seymour Community School District / 2,410 |
| 198. | 0.9% | Villisca Community School District / 2,189 |
| 198. | 0.9% | Clayton Ridge Community School District / 5,044 |
| 200. | 0.9% | North Iowa Community School District / 3,147 |
| 201. | 0.9% | Sheffield Chapin Meservey Thornton Community School District / 4,716 |
| 202. | 0.9% | Eldora-New Providence Community School District / 3,765 |
| 202. | 0.9% | IKM Community School District / 4,641 |
| 204. | 0.9% | Charles City Community School District / 11,219 |
| 205. | 0.8% | Clinton Community School District / 25,889 |
| 206. | 0.8% | Lisbon Community School District / 2,816 |
| 207. | 0.8% | Oelwein Community School District / 8,702 |
| 208. | 0.8% | Central Decatur Community School District / 4,215 |
| 208. | 0.8% | Allamakee Community School District / 8,539 |
| 210. | 0.8% | Mormon Trail Community School District / 1,675 |
| 211. | 0.8% | Colfax-Mingo Community School District / 4,262 |
| 211. | 0.8% | Bennett Community School District / 1,138 |
| 213. | 0.8% | Moravia Community School District / 2,300 |
| 213. | 0.8% | Creston Community School District / 9,674 |
| 213. | 0.8% | Nashua-Plainfield Community School District / 3,878 |
| 216. | 0.8% | C and M Community School District / 2,951 |
| 217. | 0.8% | Wall Lake View Auburn Community School District / 5,728 |
| 217. | 0.8% | Centerville Community School District / 8,881 |
| 217. | 0.8% | Elk Horn-Kimballton Community School District / 1,467 |
| 220. | 0.8% | Red Oak Community School District / 6,975 |
| 221. | 0.7% | Maquoketa Community School District / 8,888 |
| 221. | 0.7% | Stratford Community School District / 1,209 |
| 221. | 0.7% | Griswold Community School District / 3,404 |
| 224. | 0.7% | Manson Northwest Webster Community School District / 4,280 |
| 224. | 0.7% | Jesup Community School District / 5,895 |
| 226. | 0.7% | Akron-Westfield Community School District / 3,200 |
| 227. | 0.7% | Cherokee Community School District / 6,432 |
| 227. | 0.7% | Calamus-Wheatland Community School District / 2,301 |
| 229. | 0.7% | South Hamilton Community School District / 3,602 |
| 229. | 0.7% | Hampton-Dumont Community School District / 6,739 |
| 231. | 0.7% | Southeast Webster-Grand Community School District / 3,156 |
| 231. | 0.7% | Lu Verne Community School District / 506 |
| 231. | 0.7% | Estherville Lincoln Central Community School District / 7,995 |
| 234. | 0.7% | Atlantic Community School District / 8,459 |
| 235. | 0.7% | Springville Community School District / 2,568 |
| 235. | 0.7% | Walnut Community School District / 1,219 |
| 235. | 0.7% | Woodbury Central Community School District / 2,901 |
| 238. | 0.6% | Van Buren Community School District / 5,065 |
| 238. | 0.6% | North Kossuth Community School District / 2,237 |
| 240. | 0.6% | Mediapolis Community School District / 4,736 |
| 240. | 0.6% | Westwood Community School District / 3,153 |
| 240. | 0.6% | West Harrison Community School District / 2,638 |
| 243. | 0.6% | West Central Community School District / 1,871 |
| 243. | 0.6% | Louisa-Muscatine Community School District / 4,762 |
| 243. | 0.6% | Orient-Macksburg Community School District / 1,209 |
| 246. | 0.6% | Lake Mills Community School District / 3,576 |
| 247. | 0.6% | Center Point-Urbana Community School District / 5,868 |
| 248. | 0.6% | Columbus Community School District / 4,667 |
| 249. | 0.6% | River Valley Community School District / 2,583 |
| 249. | 0.6% | Monticello Community School District / 6,621 |
| 251. | 0.6% | Exira Community School District / 1,825 |
| 251. | 0.6% | Aplington-Parkersburg Community School District / 4,304 |
| 251. | 0.6% | Mount Ayr Community School District / 4,141 |
| 254. | 0.6% | Harmony Community School District / 2,823 |
| 255. | 0.5% | Stanton Community School District / 1,214 |
| 255. | 0.5% | Guthrie Center Community School District / 2,625 |
| 257. | 0.5% | Ar-We-Va Community School District / 2,230 |
| 258. | 0.5% | Woodbine Community School District / 2,660 |
| 259. | 0.5% | North Mahaska Community School District / 2,811 |
| 259. | 0.5% | Twin Rivers Community School District / 1,193 |
| 261. | 0.5% | English Valleys Community School District / 2,890 |
| 261. | 0.5% | Baxter Community School District / 1,717 |
| 263. | 0.5% | Wapsie Valley Community School District / 3,790 |
| 264. | 0.5% | East Buchanan Community School District / 2,905 |
| 264. | 0.5% | West Central Valley Community School District / 5,965 |
| 266. | 0.5% | Lynnville-Sully Community School District / 3,164 |
| 266. | 0.5% | Colo-Nesco Community School District / 3,044 |
| 266. | 0.5% | Starmont Community School District / 3,814 |
| 266. | 0.5% | Wayne Community School District / 3,819 |
| 270. | 0.4% | Treynor Community School District / 3,013 |
| 271. | 0.4% | Allison-Bristow Community School District / 4,070 |
| 271. | 0.4% | Shenandoah Community School District / 6,133 |
| 271. | 0.4% | Andrew Community School District / 1,551 |
| 274. | 0.4% | Wapello Community School District / 3,582 |
| 274. | 0.4% | West Hancock Community School District / 4,119 |
| 274. | 0.4% | AGWSR Community School District / 4,849 |
| 277. | 0.4% | Hinton Community School District / 2,690 |
| 277. | 0.4% | Morning Sun Community School District / 1,362 |
| 279. | 0.4% | Cardinal Community School District / 4,014 |
| 279. | 0.4% | Denver Community School District / 3,847 |
| 281. | 0.4% | Central Community School District / 3,329 |
| 281. | 0.4% | Fairfield Community School District / 15,659 |
| 283. | 0.4% | Corning Community School District / 2,814 |
| 284. | 0.3% | Fredericksburg Community School District / 1,824 |
| 284. | 0.3% | Laurens-Marathon Community School District / 2,182 |
| 286. | 0.3% | Harris-Lake Park Community School District / 1,717 |
| 287. | 0.3% | South Page Community School District / 1,510 |
| 288. | 0.3% | Moulton-Udell Community School District / 1,375 |
| 288. | 0.3% | Schaller-Crestland Community School District / 2,388 |
| 290. | 0.3% | Clarinda Community School District / 7,277 |
| 290. | 0.3% | Underwood Community School District / 4,036 |
| 290. | 0.3% | Rockwell City-Lytton Community School District / 3,246 |
| 293. | 0.3% | George-Little Rock Community School District / 2,698 |
| 293. | 0.3% | Ruthven-Ayrshire Community School District / 1,409 |
| 293. | 0.3% | Schleswig Community School District / 1,630 |
| 296. | 0.2% | Maple Valley Community School District / 4,404 |
| 296. | 0.2% | New London Community School District / 2,987 |
| 296. | 0.2% | Galva-Holstein Community School District / 2,573 |
| 299. | 0.2% | Adair-Casey Community School District / 1,914 |
| 299. | 0.2% | Emmetsburg Community School District / 4,971 |
| 301. | 0.2% | South Winneshiek Community School District / 4,523 |
| 302. | 0.2% | Highland Community School District / 4,128 |
| 303. | 0.2% | Edgewood-Colesburg Community School District / 2,949 |
| 304. | 0.1% | Brooklyn-Guernsey-Malcom Community School District / 3,173 |
| 305. | 0.1% | Central Lee Community School District / 5,129 |
| 305. | 0.1% | Eddyville-Blakesburg Community School District / 5,108 |
| 307. | 0.1% | Turkey Valley Community School District / 2,954 |
| 308. | 0.1% | Nodaway Valley Community School District / 4,119 |
Please note that we only rank locations with 'Attached One Unit House Percentage' data. The rank above might not be a complete list. Locations without 'Attached One Unit House Percentage' data are not listed.
