| Rank | Median Age ▲ | School District / Population |
| 1. | 14.60 | Colorado City Unified District / 5,804 |
| 2. | 19.20 | McNary Elementary District / 470 |
| 3. | 21.70 | Fort Huachuca Accommodation District / 5,428 |
| 4. | 24.40 | Isaac Elementary District / 44,051 |
| 5. | 24.50 | Naco Elementary District / 1,681 |
| 6. | 25.00 | Fort Thomas Unified District / 4,954 |
| 7. | 25.20 | Whiteriver Unified District / 11,977 |
| 7. | 25.20 | Cartwright Elementary District / 115,064 |
| 7. | 25.20 | Union Elementary District / 14,363 |
| 10. | 25.70 | Alhambra Elementary District / 89,328 |
| 10. | 25.70 | Fowler Elementary District / 28,655 |
| 12. | 25.90 | Sacaton Elementary District / 8,141 |
| 13. | 26.20 | Riverside Elementary District / 6,925 |
| 14. | 26.30 | Tolleson Elementary District / 15,597 |
| 15. | 26.40 | Peach Springs Unified District / 818 |
| 16. | 26.80 | Tempe School District / 145,370 |
| 17. | 27.00 | Thatcher Unified District / 6,955 |
| 18. | 27.10 | Gadsden Elementary District / 23,777 |
| 18. | 27.10 | Morenci Unified District / 3,396 |
| 18. | 27.10 | Paloma School District / 232 |
| 21. | 27.20 | Chinle Unified District / 19,670 |
| 21. | 27.20 | Tolleson Union High School District / 166,262 |
| 23. | 27.40 | Avondale Elementary District / 46,485 |
| 24. | 27.90 | Murphy Elementary District / 14,300 |
| 25. | 28.00 | Tuba City Unified District / 16,364 |
| 26. | 28.10 | Pima Unified District / 4,373 |
| 27. | 28.20 | Littleton Elementary District / 38,438 |
| 27. | 28.20 | Pinon Unified District / 6,495 |
| 29. | 28.30 | Sanders Unified District / 6,707 |
| 30. | 28.40 | J. O. Combs Unified School District / 31,162 |
| 31. | 28.50 | San Carlos Unified District / 5,813 |
| 31. | 28.50 | Sunnyside Unified District / 88,148 |
| 33. | 28.60 | Pendergast Elementary District / 69,209 |
| 33. | 28.60 | Somerton Elementary District / 21,781 |
| 35. | 29.00 | Red Mesa Unified District / 8,184 |
| 36. | 29.40 | Buckeye Elementary District / 37,342 |
| 37. | 29.60 | Kayenta Unified District / 9,496 |
| 38. | 29.70 | Indian Oasis-Baboquivari Unified District / 6,427 |
| 38. | 29.70 | Higley Unified District / 62,748 |
| 40. | 29.80 | Phoenix Union High School District / 648,748 |
| 40. | 29.80 | Laveen Elementary District / 42,133 |
| 40. | 29.80 | Roosevelt Elementary District / 97,634 |
| 43. | 29.90 | Glendale Elementary District / 96,561 |
| 44. | 30.10 | Ganado Unified District / 7,939 |
| 44. | 30.10 | Flagstaff Unified District / 93,101 |
| 46. | 30.30 | Eloy Elementary District / 7,554 |
| 46. | 30.30 | Mobile Elementary District / 38 |
| 48. | 30.40 | Coolidge Unified District / 35,807 |
| 49. | 30.60 | Red Rock Elementary District / 2,296 |
| 49. | 30.60 | Queen Creek Unified District / 25,762 |
| 49. | 30.60 | Balsz Elementary District / 26,679 |
| 52. | 30.70 | Tempe Union High School District / 300,672 |
| 53. | 30.80 | Wilson Elementary District / 2,780 |
| 54. | 30.90 | Joseph City Unified District / 1,576 |
| 54. | 30.90 | Window Rock Unified District / 11,539 |
| 54. | 30.90 | Buckeye Union High School District / 64,134 |
| 57. | 31.10 | Palo Verde Elementary District / 2,075 |
| 58. | 31.30 | Phoenix Elementary District / 54,589 |
| 58. | 31.30 | Crane Elementary District / 43,272 |
| 60. | 31.40 | Bagdad Unified School District / 2,234 |
| 61. | 31.80 | Cedar Unified District / 7,910 |
| 62. | 32.00 | Maricopa Unified School District / 45,298 |
| 63. | 32.10 | Agua Fria Union High School District / 120,394 |
| 64. | 32.20 | Creighton Elementary District / 62,583 |
| 64. | 32.20 | Santa Cruz Valley Union High School District / 17,096 |
| 66. | 32.50 | Douglas Unified District / 21,545 |
| 66. | 32.50 | Santa Cruz Valley Unified District / 20,454 |
| 66. | 32.50 | Name N/A / 2,139,438 |
| 69. | 32.70 | Gila Bend Unified District / 2,397 |
| 69. | 32.70 | Mammoth-San Manuel Unified District / 5,401 |
| 69. | 32.70 | Santa Cruz Elementary District / 1,450 |
| 69. | 32.70 | Page Unified District / 13,475 |
| 73. | 32.80 | Holbrook Unified District / 10,176 |
| 74. | 32.90 | Glendale Union High School District / 329,556 |
| 75. | 33.10 | Florence Unified School District / 71,916 |
| 75. | 33.10 | Yuma Union High School District / 190,582 |
| 75. | 33.10 | Snowflake Unified District / 12,172 |
| 78. | 33.60 | Gilbert Unified District / 189,467 |
| 79. | 33.70 | Winslow Unified District / 11,729 |
| 79. | 33.70 | Picacho Elementary District / 7,246 |
| 81. | 33.80 | Sahuarita Unified District / 26,552 |
| 82. | 34.10 | Aguila Elementary District / 847 |
| 82. | 34.10 | Washington Elementary District / 232,995 |
| 84. | 34.20 | Solomon Elementary District / 3,329 |
| 84. | 34.20 | Liberty Elementary District / 23,470 |
| 86. | 34.40 | Sentinel Elementary District / 71 |
| 87. | 34.50 | Nogales Unified District / 22,248 |
| 88. | 34.60 | Nadaburg Unified School District / 7,828 |
| 89. | 34.70 | Osborn Elementary District / 38,490 |
| 89. | 34.70 | Dysart Unified District / 160,545 |
| 91. | 35.00 | Bonita Elementary District / 1,518 |
| 92. | 35.40 | Tucson Unified District / 479,107 |
| 92. | 35.40 | Deer Valley Unified District / 239,388 |
| 94. | 35.70 | McNeal Elementary District / 1,544 |
| 94. | 35.70 | Casa Grande Union High School District / 84,541 |
| 96. | 35.90 | Chandler Unified District / 222,174 |
| 96. | 35.90 | Pomerene Elementary District / 1,140 |
| 98. | 36.00 | Saddle Mountain Unified School District / 7,573 |
| 98. | 36.00 | Toltec Elementary District / 11,665 |
| 98. | 36.00 | Arlington Elementary District / 1,247 |
| 101. | 36.10 | Vail Unified District / 50,994 |
| 102. | 36.30 | Litchfield Elementary District / 73,909 |
| 103. | 36.50 | Safford Unified District / 15,946 |
| 104. | 36.90 | Mesa Unified District / 458,673 |
| 105. | 37.00 | Round Valley Unified District / 8,582 |
| 106. | 37.10 | Casa Grande Elementary District / 61,105 |
| 106. | 37.10 | Clifton Unified District / 2,903 |
| 106. | 37.10 | Flowing Wells Unified District / 28,987 |
| 109. | 37.50 | Kyrene Elementary District / 155,302 |
| 110. | 38.00 | Altar Valley Elementary District / 6,420 |
| 111. | 38.10 | Yuma Elementary District / 101,752 |
| 112. | 38.20 | Paradise Valley Unified District / 246,814 |
| 112. | 38.20 | Peoria Unified School District / 211,900 |
| 114. | 38.70 | Stanfield Elementary District / 3,630 |
| 115. | 38.80 | Mohawk Valley Elementary District / 1,261 |
| 116. | 39.20 | Marana Unified District / 86,240 |
| 117. | 39.40 | Williams Unified District / 5,615 |
| 118. | 39.90 | Hyder Elementary District / 553 |
| 119. | 40.00 | Sierra Vista Unified District / 49,053 |
| 120. | 40.80 | Fredonia-Moccasin Unified District / 2,517 |
| 121. | 41.00 | Humboldt Unified District / 50,272 |
| 121. | 41.00 | Parker Unified School District / 10,932 |
| 123. | 41.50 | Hayden-Winkelman Unified District / 1,436 |
| 124. | 41.90 | Double Adobe Elementary District / 692 |
| 125. | 42.10 | Madison Elementary District / 54,192 |
| 126. | 42.40 | Hillside Elementary District / 78 |
| 127. | 42.60 | Grand Canyon Unified District / 1,420 |
| 128. | 42.70 | Amphitheater Unified District / 134,440 |
| 129. | 43.10 | Willcox Unified District / 7,809 |
| 130. | 43.20 | Scottsdale Unified District / 224,266 |
| 131. | 43.50 | Elfrida Elementary District / 1,160 |
| 132. | 43.70 | Superior Unified School District / 3,078 |
| 133. | 45.10 | Heber-Overgaard Unified District / 4,055 |
| 133. | 45.10 | Ash Fork Joint Unified District / 1,810 |
| 135. | 45.20 | Miami Unified District / 8,975 |
| 135. | 45.20 | Camp Verde Unified District / 11,307 |
| 137. | 45.60 | Bisbee Unified District / 7,130 |
| 138. | 46.00 | Globe Unified District / 10,351 |
| 138. | 46.00 | Littlefield Unified District / 2,540 |
| 138. | 46.00 | Show Low Unified District / 15,373 |
| 141. | 46.40 | Duncan Unified District / 2,223 |
| 142. | 46.50 | Blue Ridge Unified District / 15,727 |
| 143. | 46.60 | Kingman Unified School District / 68,630 |
| 144. | 46.90 | St. Johns Unified District / 3,947 |
| 145. | 47.10 | Palominas Elementary District / 9,836 |
| 146. | 47.30 | Concho Elementary District / 2,538 |
| 147. | 47.40 | Beaver Creek Elementary District / 5,105 |
| 148. | 47.50 | Antelope Union High School District / 5,838 |
| 149. | 47.90 | Cottonwood-Oak Creek Elementary District / 30,494 |
| 150. | 48.00 | Vernon Elementary District / 1,641 |
| 151. | 48.20 | Mingus Union High School District / 34,266 |
| 152. | 48.60 | Bullhead City School District / 39,991 |
| 153. | 48.70 | Colorado River Union High School District / 64,652 |
| 153. | 48.70 | Mohave Valley Elementary District / 22,177 |
| 155. | 48.80 | Chino Valley Unified District / 21,826 |
| 156. | 49.00 | Clarkdale-Jerome Elementary District / 3,772 |
| 157. | 49.60 | Tombstone Unified District / 7,463 |
| 158. | 50.00 | Bowie Unified District / 467 |
| 159. | 50.20 | Lake Havasu Unified District / 55,708 |
| 160. | 50.30 | Redington Elementary District / 57 |
| 160. | 50.30 | Ray Unified District / 3,669 |
| 162. | 50.50 | St. David Unified District / 4,020 |
| 162. | 50.50 | Wellton Elementary District / 4,024 |
| 164. | 50.60 | Wenden Elementary District / 767 |
| 165. | 50.80 | Empire Elementary District / 370 |
| 166. | 51.00 | Morristown Elementary District / 1,665 |
| 167. | 51.10 | Cave Creek Unified District / 53,421 |
| 168. | 51.20 | Catalina Foothills Unified District / 31,525 |
| 168. | 51.20 | Tanque Verde Unified District / 11,898 |
| 170. | 51.30 | Topock Elementary District / 2,484 |
| 170. | 51.30 | Maine Consolidated School District / 1,003 |
| 170. | 51.30 | Ajo Unified District / 3,416 |
| 173. | 51.80 | Benson Unified School District / 7,780 |
| 174. | 52.60 | Apache Junction Unified District / 56,883 |
| 175. | 52.80 | Mayer Unified District / 5,015 |
| 176. | 52.90 | Fountain Hills Unified District / 23,030 |
| 177. | 53.30 | Eagle Elementary District / 37 |
| 178. | 53.60 | Prescott Unified District / 56,880 |
| 179. | 53.70 | Payson Unified District / 21,631 |
| 180. | 54.20 | Owens-Whitney Elementary District / 570 |
| 181. | 54.30 | Walnut Grove Elementary District / 53 |
| 182. | 54.80 | Skull Valley Elementary District / 449 |
| 183. | 55.00 | Crown King Elementary District / 56 |
| 184. | 55.10 | Ash Creek Elementary District / 1,050 |
| 185. | 55.50 | San Fernando Elementary District / 37 |
| 186. | 55.90 | Yucca Elementary District / 374 |
| 187. | 56.30 | Klondyke Elementary District / 40 |
| 187. | 56.30 | San Simon Unified District / 804 |
| 187. | 56.30 | Valentine Elementary District / 186 |
| 187. | 56.30 | Rucker Elementary District / 17 |
| 187. | 56.30 | Williamson Valley Elementary School District / 371 |
| 192. | 56.50 | Chevelon Butte School District / 401 |
| 193. | 56.70 | Valley Union High School District / 4,187 |
| 194. | 56.80 | Sonoita Elementary District / 1,681 |
| 195. | 57.60 | Sedona-Oak Creek Joint Unified District / 14,374 |
| 195. | 57.60 | Seligman Unified District / 837 |
| 197. | 57.70 | Wickenburg Unified District / 10,671 |
| 198. | 58.00 | Hackberry School District / 1,184 |
| 199. | 58.40 | Patagonia Union High School District / 2,905 |
| 200. | 59.10 | Yarnell Elementary District / 1,231 |
| 201. | 59.30 | Young Elementary School District / 407 |
| 202. | 60.20 | Cochise Elementary District / 273 |
| 203. | 60.40 | Kirkland Elementary District / 1,023 |
| 204. | 60.50 | Patagonia Elementary District / 1,224 |
| 205. | 60.60 | Pine Strawberry Elementary District / 2,208 |
| 206. | 61.20 | Canon Elementary District / 2,222 |
| 207. | 61.30 | Pearce Elementary District / 1,977 |
| 208. | 62.50 | Tonto Basin Elementary District / 1,221 |
| 209. | 63.10 | Salome Consolidated Elementary District / 2,424 |
| 210. | 63.50 | Congress Elementary District / 1,828 |
| 211. | 63.90 | Bicentennial Union High School District / 9,528 |
| 212. | 64.20 | Oracle Elementary District / 13,523 |
| 213. | 64.30 | Blue Elementary District / 33 |
| 213. | 64.30 | Apache Elementary District / 106 |
| 215. | 65.70 | Quartzsite Elementary District / 5,387 |
| 216. | 66.40 | Bouse Elementary District / 950 |
| 217. | 68.20 | Alpine Elementary District / 401 |
| 218. | 69.40 | Continental Elementary District / 26,101 |
| 219. | 71.90 | Name N/A / 66,046 |
Please note that we only rank locations with 'Median Age' data. The rank above might not be a complete list. Locations without 'Median Age' 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.
