| Rank | Population Density ▼ | School District / Population |
| 1. | 8,472.0/sq mi | Cartwright Elementary District / 119,571 |
| 2. | 7,080.3/sq mi | Isaac Elementary District / 43,040 |
| 3. | 6,973.0/sq mi | Alhambra Elementary District / 88,563 |
| 4. | 6,247.1/sq mi | Glendale Elementary District / 99,031 |
| 5. | 5,632.7/sq mi | Creighton Elementary District / 66,503 |
| 6. | 5,521.6/sq mi | Glendale Union High School District / 328,488 |
| 7. | 5,514.7/sq mi | Osborn Elementary District / 38,505 |
| 8. | 5,258.1/sq mi | Washington Elementary District / 229,457 |
| 9. | 4,080.4/sq mi | Tempe School District / 148,671 |
| 10. | 3,845.7/sq mi | Phoenix Union High School District / 670,209 |
| 11. | 3,762.5/sq mi | Madison Elementary District / 56,191 |
| 12. | 3,526.8/sq mi | Pendergast Elementary District / 68,925 |
| 13. | 3,521.0/sq mi | Phoenix Elementary District / 54,631 |
| 14. | 3,371.7/sq mi | Balsz Elementary District / 29,647 |
| 15. | 3,194.3/sq mi | Roosevelt Elementary District / 105,099 |
| 16. | 3,191.0/sq mi | Gilbert Unified District / 192,279 |
| 17. | 2,913.6/sq mi | Chandler Unified District / 231,764 |
| 18. | 2,913.1/sq mi | Higley Unified District / 69,496 |
| 19. | 2,571.2/sq mi | Paradise Valley Unified District / 251,892 |
| 20. | 2,557.8/sq mi | Tolleson Elementary District / 15,837 |
| 21. | 2,550.0/sq mi | Fowler Elementary District / 32,062 |
| 22. | 2,471.3/sq mi | Mesa Unified District / 468,084 |
| 23. | 2,433.4/sq mi | Flowing Wells Unified District / 29,583 |
| 24. | 2,088.3/sq mi | Tucson Unified District / 477,922 |
| 25. | 2,042.4/sq mi | Scottsdale Unified District / 226,958 |
| 26. | 1,974.3/sq mi | Murphy Elementary District / 13,666 |
| 27. | 1,821.2/sq mi | Tempe Union High School District / 303,177 |
| 28. | 1,719.2/sq mi | Avondale Elementary District / 49,323 |
| 29. | 1,686.8/sq mi | Tolleson Union High School District / 173,006 |
| 30. | 1,595.2/sq mi | Peoria Unified School District / 218,476 |
| 31. | 1,589.4/sq mi | Laveen Elementary District / 44,709 |
| 32. | 1,405.1/sq mi | Littleton Elementary District / 41,072 |
| 33. | 1,359.6/sq mi | Agua Fria Union High School District / 128,761 |
| 34. | 1,321.6/sq mi | Dysart Unified District / 169,324 |
| 35. | 1,229.8/sq mi | Amphitheater Unified District / 134,383 |
| 36. | 1,219.4/sq mi | Catalina Foothills Unified District / 30,821 |
| 37. | 1,203.3/sq mi | Litchfield Elementary District / 79,438 |
| 38. | 1,188.6/sq mi | Kyrene Elementary District / 154,506 |
| 39. | 950.8/sq mi | Crane Elementary District / 43,440 |
| 40. | 950.6/sq mi | Fountain Hills Unified District / 23,488 |
| 41. | 945.0/sq mi | Gadsden Elementary District / 28,694 |
| 42. | 941.9/sq mi | Sunnyside Unified District / 91,086 |
| 43. | 726.6/sq mi | Riverside Elementary District / 6,837 |
| 44. | 665.7/sq mi | Deer Valley Unified District / 243,403 |
| 45. | 631.0/sq mi | Queen Creek Unified District / 28,951 |
| 46. | 561.9/sq mi | J. O. Combs Unified School District / 38,281 |
| 47. | 538.6/sq mi | Wilson Elementary District / 3,247 |
| 48. | 454.5/sq mi | Sierra Vista Unified District / 49,181 |
| 49. | 431.4/sq mi | Union Elementary District / 15,110 |
| 50. | 313.3/sq mi | Maricopa Unified School District / 49,568 |
| 51. | 288.8/sq mi | Lake Havasu Unified District / 55,833 |
| 52. | 264.6/sq mi | Cave Creek Unified District / 55,010 |
| 53. | 261.9/sq mi | Apache Junction Unified District / 56,829 |
| 54. | 253.7/sq mi | Somerton Elementary District / 22,334 |
| 55. | 209.4/sq mi | Buckeye Elementary District / 39,188 |
| 56. | 189.6/sq mi | Prescott Unified District / 55,352 |
| 57. | 186.9/sq mi | Continental Elementary District / 27,303 |
| 58. | 186.1/sq mi | Blue Ridge Unified District / 14,337 |
| 59. | 175.6/sq mi | Casa Grande Elementary District / 62,832 |
| 60. | 163.3/sq mi | Marana Unified District / 89,418 |
| 61. | 163.2/sq mi | Humboldt Unified District / 52,054 |
| 62. | 152.3/sq mi | Tanque Verde Unified District / 11,845 |
| 63. | 147.1/sq mi | Sedona-Oak Creek Joint Unified District / 14,547 |
| 64. | 142.4/sq mi | Coolidge Unified District / 37,433 |
| 65. | 140.7/sq mi | Toltec Elementary District / 13,148 |
| 66. | 140.0/sq mi | Vail Unified District / 54,562 |
| 67. | 112.0/sq mi | Nogales Unified District / 21,898 |
| 68. | 97.0/sq mi | Naco Elementary District / 1,547 |
| 69. | 94.8/sq mi | Liberty Elementary District / 24,826 |
| 70. | 85.3/sq mi | Bullhead City School District / 39,983 |
| 71. | 80.9/sq mi | Florence Unified School District / 75,228 |
| 72. | 79.6/sq mi | Yuma Union High School District / 195,266 |
| 73. | 75.9/sq mi | Santa Cruz Valley Unified District / 20,263 |
| 74. | 72.8/sq mi | Nadaburg Unified School District / 8,546 |
| 75. | 71.7/sq mi | Cottonwood-Oak Creek Elementary District / 30,677 |
| 76. | 67.9/sq mi | Casa Grande Union High School District / 88,203 |
| 77. | 67.6/sq mi | Mingus Union High School District / 34,444 |
| 78. | 58.9/sq mi | Colorado River Union High School District / 63,402 |
| 79. | 55.5/sq mi | Thatcher Unified District / 7,358 |
| 80. | 55.2/sq mi | Buckeye Union High School District / 67,494 |
| 81. | 54.9/sq mi | Palominas Elementary District / 10,560 |
| 82. | 52.9/sq mi | Chino Valley Unified District / 21,274 |
| 83. | 50.4/sq mi | Mohave Valley Elementary District / 20,894 |
| 84. | 46.2/sq mi | Oracle Elementary District / 13,855 |
| 85. | 46.1/sq mi | Clarkdale-Jerome Elementary District / 3,767 |
| 86. | 45.5/sq mi | Douglas Unified District / 22,014 |
| 87. | 45.2/sq mi | Fort Huachuca Accommodation District / 5,743 |
| 88. | 45.1/sq mi | Sahuarita Unified District / 27,400 |
| 89. | 44.0/sq mi | Yuma Elementary District / 100,798 |
| 90. | 43.9/sq mi | Show Low Unified District / 15,516 |
| 91. | 40.9/sq mi | Payson Unified District / 21,510 |
| 92. | 40.2/sq mi | Globe Unified District / 10,541 |
| 93. | 37.8/sq mi | Safford Unified District / 15,991 |
| 94. | 32.9/sq mi | Palo Verde Elementary District / 2,145 |
| 95. | 32.2/sq mi | Morenci Unified District / 3,028 |
| 96. | 31.6/sq mi | Picacho Elementary District / 8,001 |
| 97. | 31.0/sq mi | Beaver Creek Elementary District / 5,652 |
| 98. | 29.2/sq mi | Pomerene Elementary District / 1,106 |
| 99. | 28.4/sq mi | Window Rock Unified District / 12,438 |
| 100. | 28.4/sq mi | Ajo Unified District / 3,787 |
| 101. | 26.5/sq mi | Sacaton Elementary District / 7,465 |
| 102. | 26.2/sq mi | Miami Unified District / 8,468 |
| 103. | 25.6/sq mi | Camp Verde Unified District / 11,295 |
| 104. | 24.7/sq mi | Santa Cruz Valley Union High School District / 17,712 |
| 105. | 24.2/sq mi | Santa Cruz Elementary District / 1,926 |
| 106. | 24.1/sq mi | Mammoth-San Manuel Unified District / 6,097 |
| 107. | 22.3/sq mi | Eloy Elementary District / 6,644 |
| 108. | 22.1/sq mi | Kingman Unified School District / 68,561 |
| 109. | 21.0/sq mi | Flagstaff Unified District / 93,120 |
| 110. | 20.7/sq mi | Snowflake Unified District / 12,166 |
| 111. | 19.7/sq mi | Bisbee Unified District / 6,705 |
| 112. | 18.3/sq mi | Red Rock Elementary District / 3,067 |
| 113. | 16.2/sq mi | Double Adobe Elementary District / 632 |
| 114. | 15.6/sq mi | Canon Elementary District / 2,661 |
| 115. | 15.1/sq mi | Saddle Mountain Unified School District / 8,320 |
| 116. | 15.0/sq mi | Tombstone Unified District / 7,646 |
| 117. | 14.6/sq mi | Yarnell Elementary District / 1,211 |
| 118. | 14.6/sq mi | Parker Unified School District / 10,263 |
| 119. | 14.4/sq mi | St. David Unified District / 4,220 |
| 120. | 13.7/sq mi | Altar Valley Elementary District / 7,069 |
| 121. | 13.1/sq mi | Topock Elementary District / 2,525 |
| 122. | 12.9/sq mi | Wickenburg Unified District / 11,718 |
| 123. | 12.5/sq mi | McNeal Elementary District / 1,403 |
| 124. | 12.4/sq mi | Benson Unified School District / 7,238 |
| 125. | 11.9/sq mi | Whiteriver Unified District / 12,202 |
| 126. | 11.7/sq mi | Winslow Unified District / 11,733 |
| 127. | 10.0/sq mi | Pearce Elementary District / 2,017 |
| 128. | 9.8/sq mi | Clifton Unified District / 2,909 |
| 129. | 9.6/sq mi | Morristown Elementary District / 1,485 |
| 130. | 8.9/sq mi | Chinle Unified District / 20,277 |
| 131. | 8.8/sq mi | Vernon Elementary District / 1,926 |
| 132. | 8.8/sq mi | Ganado Unified District / 7,714 |
| 133. | 8.7/sq mi | Superior Unified School District / 3,278 |
| 134. | 8.4/sq mi | Stanfield Elementary District / 4,758 |
| 135. | 8.2/sq mi | Willcox Unified District / 7,579 |
| 136. | 7.6/sq mi | Kirkland Elementary District / 1,276 |
| 137. | 7.5/sq mi | Colorado City Unified District / 6,301 |
| 138. | 7.5/sq mi | Hayden-Winkelman Unified District / 1,275 |
| 139. | 7.3/sq mi | Page Unified District / 13,337 |
| 140. | 7.2/sq mi | Concho Elementary District / 2,644 |
| 141. | 7.2/sq mi | Pinon Unified District / 6,729 |
| 142. | 6.8/sq mi | Heber-Overgaard Unified District / 3,969 |
| 143. | 6.8/sq mi | Sonoita Elementary District / 1,801 |
| 144. | 6.7/sq mi | Holbrook Unified District / 10,570 |
| 145. | 6.5/sq mi | Maine Consolidated School District / 1,543 |
| 146. | 6.5/sq mi | Cedar Unified District / 8,026 |
| 147. | 6.5/sq mi | Mayer Unified District / 5,602 |
| 148. | 6.2/sq mi | Valley Union High School District / 3,518 |
| 149. | 5.9/sq mi | Duncan Unified District / 2,767 |
| 150. | 5.7/sq mi | Pine Strawberry Elementary District / 1,604 |
| 151. | 5.6/sq mi | Elfrida Elementary District / 910 |
| 152. | 5.4/sq mi | Ash Fork Joint Unified District / 2,031 |
| 153. | 5.2/sq mi | Fort Thomas Unified District / 5,401 |
| 154. | 5.1/sq mi | Bagdad Unified School District / 2,432 |
| 155. | 5.0/sq mi | Wellton Elementary District / 4,071 |
| 156. | 4.9/sq mi | Kayenta Unified District / 9,909 |
| 157. | 4.9/sq mi | Round Valley Unified District / 8,073 |
| 158. | 4.9/sq mi | Tuba City Unified District / 16,926 |
| 159. | 4.8/sq mi | Salome Consolidated Elementary District / 2,899 |
| 160. | 4.7/sq mi | San Carlos Unified District / 5,591 |
| 161. | 4.7/sq mi | Ray Unified District / 3,676 |
| 162. | 4.6/sq mi | Patagonia Union High School District / 3,163 |
| 163. | 4.5/sq mi | Pima Unified District / 3,424 |
| 164. | 4.4/sq mi | Tonto Basin Elementary District / 1,647 |
| 165. | 4.1/sq mi | Aguila Elementary District / 1,157 |
| 166. | 4.1/sq mi | Quartzsite Elementary District / 5,634 |
| 167. | 4.0/sq mi | Red Mesa Unified District / 7,761 |
| 168. | 3.8/sq mi | Sanders Unified District / 6,436 |
| 169. | 3.5/sq mi | Joseph City Unified District / 1,637 |
| 170. | 3.3/sq mi | Grand Canyon Unified District / 1,707 |
| 171. | 3.3/sq mi | Paloma School District / 296 |
| 172. | 3.2/sq mi | Patagonia Elementary District / 1,362 |
| 173. | 3.1/sq mi | Peach Springs Unified District / 1,103 |
| 174. | 3.0/sq mi | McNary Elementary District / 543 |
| 175. | 2.9/sq mi | Solomon Elementary District / 3,823 |
| 176. | 2.9/sq mi | Ash Creek Elementary District / 591 |
| 177. | 2.8/sq mi | St. Johns Unified District / 3,929 |
| 178. | 2.6/sq mi | Bicentennial Union High School District / 10,085 |
| 179. | 2.4/sq mi | Valentine Elementary District / 320 |
| 180. | 2.3/sq mi | Skull Valley Elementary District / 600 |
| 181. | 2.3/sq mi | Alpine Elementary District / 401 |
| 182. | 2.3/sq mi | Empire Elementary District / 505 |
| 183. | 2.2/sq mi | Gila Bend Unified District / 2,610 |
| 184. | 2.0/sq mi | Bonita Elementary District / 1,265 |
| 185. | 2.0/sq mi | Cochise Elementary District / 220 |
| 186. | 2.0/sq mi | Antelope Union High School District / 6,187 |
| 187. | 1.9/sq mi | Arlington Elementary District / 1,335 |
| 188. | 1.8/sq mi | Indian Oasis-Baboquivari Unified District / 6,666 |
| 189. | 1.7/sq mi | Congress Elementary District / 1,631 |
| 190. | 1.6/sq mi | Williams Unified District / 5,464 |
| 191. | 1.5/sq mi | Hackberry School District / 1,223 |
| 192. | 1.3/sq mi | Crown King Elementary District / 111 |
| 193. | 1.3/sq mi | San Simon Unified District / 758 |
| 194. | 1.2/sq mi | Hillside Elementary District / 139 |
| 195. | 1.2/sq mi | Bouse Elementary District / 811 |
| 196. | 1.2/sq mi | Bowie Unified District / 463 |
| 197. | 1.1/sq mi | Littlefield Unified District / 3,636 |
| 198. | 1.0/sq mi | Seligman Unified District / 1,197 |
| 199. | 1.0/sq mi | Hyder Elementary District / 439 |
| 200. | 0.9/sq mi | Mohawk Valley Elementary District / 1,677 |
| 201. | 0.9/sq mi | Chevelon Butte School District / 542 |
| 202. | 0.8/sq mi | Fredonia-Moccasin Unified District / 3,162 |
| 203. | 0.8/sq mi | Williamson Valley Elementary School District / 506 |
| 204. | 0.7/sq mi | Young Elementary School District / 603 |
| 205. | 0.7/sq mi | Yucca Elementary District / 487 |
| 206. | 0.7/sq mi | Redington Elementary District / 94 |
| 207. | 0.6/sq mi | Wenden Elementary District / 741 |
| 208. | 0.5/sq mi | Apache Elementary District / 132 |
| 209. | 0.3/sq mi | Owens-Whitney Elementary District / 628 |
| 210. | 0.3/sq mi | Mobile Elementary District / 74 |
| 211. | 0.2/sq mi | Sentinel Elementary District / 111 |
| 212. | 0.2/sq mi | Rucker Elementary District / 33 |
| 213. | 0.2/sq mi | San Fernando Elementary District / 55 |
| 214. | 0.2/sq mi | Walnut Grove Elementary District / 73 |
| 215. | 0.1/sq mi | Klondyke Elementary District / 49 |
| 216. | 0.1/sq mi | Blue Elementary District / 46 |
| 217. | 0.1/sq mi | Eagle Elementary District / 50 |
Please note that we only rank locations with 'Population Density' data. The rank above might not be a complete list. Locations without 'Population Density' data are not listed.
