| Rank | Median Age ▲ | School District / Population |
| 1. | 20.80 | Riverdale School District 51J / 2,831 |
| 2. | 28.00 | Central School District 13J / 21,561 |
| 3. | 28.90 | Corvallis School District 509J / 65,449 |
| 4. | 30.00 | Umatilla School District 6 / 6,368 |
| 5. | 31.60 | Woodburn School District 103 / 27,070 |
| 6. | 32.00 | Nyssa School District 26 / 5,039 |
| 7. | 32.50 | Frenchglen School District 16 / 82 |
| 7. | 32.50 | Pine Creek School District 5 / 52 |
| 9. | 33.40 | Hermiston School District 8 / 26,789 |
| 10. | 33.50 | Gervais School District 1 / 6,397 |
| 11. | 33.60 | Reynolds School District 7 / 71,796 |
| 12. | 33.70 | Forest Grove School District 15 / 34,131 |
| 12. | 33.70 | Hillsboro School District 1J / 125,462 |
| 14. | 34.40 | David Douglas School District 40 / 63,567 |
| 15. | 34.80 | Jefferson County School District 509J / 16,028 |
| 16. | 35.00 | Salem-Keizer School District 24J / 242,521 |
| 17. | 35.20 | Eugene School District 4J / 150,188 |
| 18. | 35.30 | Stanfield School District 61 / 2,515 |
| 19. | 35.40 | McMinnville School District 40 / 39,623 |
| 19. | 35.40 | Ontario School District 8 / 18,590 |
| 19. | 35.40 | Beaverton School District 48J / 255,082 |
| 22. | 35.60 | La Grande School District 1 / 16,990 |
| 22. | 35.60 | Gresham-Barlow School District 1J / 76,354 |
| 24. | 35.70 | Klamath Falls City Schools / 23,596 |
| 25. | 35.90 | Mount Angel School District 91 / 4,063 |
| 26. | 36.00 | Morrow School District 1 / 10,541 |
| 27. | 36.20 | Portland School District 1J / 459,982 |
| 27. | 36.20 | Centennial School District 28J / 41,431 |
| 29. | 36.30 | Sherwood School District 88J / 29,224 |
| 30. | 36.80 | North Marion School District 15 / 10,123 |
| 31. | 36.90 | Newberg School District 29J / 33,940 |
| 31. | 36.90 | Bethel School District 52 / 37,957 |
| 33. | 37.00 | Dayton School District 8 / 5,340 |
| 34. | 37.10 | St. Paul School District 45 / 1,315 |
| 35. | 37.20 | Springfield School District 19 / 73,859 |
| 35. | 37.20 | Harrisburg School District 7J / 5,131 |
| 37. | 37.30 | Parkrose School District 3 / 26,438 |
| 37. | 37.30 | Milton-Freewater School District 7 / 11,750 |
| 39. | 37.40 | Echo School District 5 / 991 |
| 39. | 37.40 | Greater Albany School District 8J / 60,802 |
| 39. | 37.40 | Sheridan School District 48J / 7,430 |
| 42. | 37.60 | Tigard-Tualatin School District 23J / 78,274 |
| 43. | 38.00 | Hood River County School District 1 / 22,346 |
| 44. | 38.10 | Helix School District 1 / 432 |
| 44. | 38.10 | Molalla River School District 35 / 19,142 |
| 46. | 38.30 | Pendleton School District 16 / 22,021 |
| 47. | 38.60 | St. Helens School District 502 / 20,637 |
| 48. | 39.00 | North Clackamas School District 12 / 113,237 |
| 49. | 39.10 | Silver Falls School District 4J / 19,162 |
| 50. | 39.20 | Vale School District 84 / 4,840 |
| 51. | 39.30 | Gladstone School District 115 / 11,022 |
| 51. | 39.30 | Jefferson School District 14J / 6,289 |
| 53. | 39.40 | Medford School District 549 / 84,505 |
| 53. | 39.40 | Banks School District 13 / 6,119 |
| 53. | 39.40 | West Linn School District 3J / 45,262 |
| 56. | 39.50 | Diamond School District 7 / 91 |
| 57. | 39.60 | Bend-La Pine Administrative School District 1 / 107,386 |
| 57. | 39.60 | Oregon City School District 62 / 54,748 |
| 59. | 39.80 | Harper School District 66 / 287 |
| 60. | 39.90 | Amity School District 4J / 4,392 |
| 60. | 39.90 | Central Linn School District 552 / 5,265 |
| 62. | 40.10 | Warrenton-Hammond School District 30 / 6,128 |
| 63. | 40.30 | Philomath School District 17J / 8,659 |
| 64. | 40.50 | North Wasco School District 21 / 20,509 |
| 64. | 40.50 | Eagle Point School District 9 / 27,686 |
| 64. | 40.50 | Cascade School District 5 / 13,675 |
| 64. | 40.50 | Suntex School District 10 / 85 |
| 68. | 40.70 | Grants Pass School District 7 / 36,336 |
| 68. | 40.70 | Arock School District 81 / 146 |
| 70. | 40.80 | Juntura School District 12 / 119 |
| 71. | 40.90 | North Santiam School District 29J / 15,824 |
| 72. | 41.00 | Redmond School District 2J / 45,507 |
| 72. | 41.00 | Creswell School District 40 / 9,018 |
| 74. | 41.20 | Tillamook School District 9 / 13,284 |
| 74. | 41.20 | Willamina School District 30J / 6,114 |
| 76. | 41.50 | Oregon Trail School District 46 / 28,463 |
| 77. | 41.60 | Lebanon Community School District 9 / 28,794 |
| 77. | 41.60 | Astoria School District 1 / 13,648 |
| 79. | 41.80 | Pilot Rock School District 2 / 2,057 |
| 80. | 42.10 | Central Point School District 6 / 29,667 |
| 81. | 42.20 | Vernonia School District 47J / 3,776 |
| 81. | 42.20 | Dallas School District 2 / 20,376 |
| 81. | 42.20 | Canby School District 86 / 30,183 |
| 84. | 42.30 | Adrian School District 61 / 1,252 |
| 85. | 42.40 | Gaston School District 511J / 2,939 |
| 86. | 42.90 | Estacada School District 108 / 12,938 |
| 87. | 43.10 | Junction City School District 69 / 12,525 |
| 88. | 43.20 | Yamhill-Carlton School District 1 / 6,748 |
| 89. | 43.30 | North Powder School District 8J / 776 |
| 89. | 43.30 | Scio School District 95 / 3,954 |
| 91. | 43.40 | Knappa School District 4 / 3,241 |
| 92. | 43.50 | Sweet Home School District 55 / 14,649 |
| 93. | 43.80 | Scappoose School District 1J / 14,486 |
| 93. | 43.80 | South Lane School District 45J / 18,770 |
| 95. | 43.90 | South Harney School District 33 / 165 |
| 95. | 43.90 | Athena-Weston School District 29J / 2,722 |
| 97. | 44.00 | Roseburg School District 4 / 46,695 |
| 97. | 44.00 | Fern Ridge School District 28J / 11,954 |
| 97. | 44.00 | Falls City School District 57 / 1,227 |
| 100. | 44.20 | Camas Valley School District 21J / 813 |
| 100. | 44.20 | Culver School District 4 / 3,502 |
| 100. | 44.20 | Clatskanie School District 6J / 5,049 |
| 103. | 44.30 | Colton School District 53 / 4,189 |
| 103. | 44.30 | Dufur School District 29 / 1,668 |
| 105. | 44.50 | Arlington School District 3 / 807 |
| 105. | 44.50 | Corbett School District 39 / 3,832 |
| 105. | 44.50 | Riddle School District 70 / 2,439 |
| 108. | 44.60 | Coos Bay School District 9 / 27,065 |
| 109. | 44.80 | Winston-Dillard School District 116 / 10,313 |
| 110. | 44.90 | Union School District 5 / 2,523 |
| 110. | 44.90 | Ashland School District 5 / 24,282 |
| 112. | 45.00 | Perrydale School District 21 / 973 |
| 112. | 45.00 | Klamath County School District / 42,784 |
| 112. | 45.00 | Santiam Canyon School District 129J / 4,008 |
| 115. | 45.10 | Harney County School District 3 / 5,993 |
| 116. | 45.20 | Rainier School District 13 / 7,405 |
| 117. | 45.30 | Harney County Union High School District 1J / 1,429 |
| 117. | 45.30 | Monroe School District 1J / 3,149 |
| 119. | 45.40 | Lake Oswego School District 7J / 40,616 |
| 119. | 45.40 | South Umpqua School District 19 / 12,372 |
| 121. | 45.50 | Drewsey School District 13 / 124 |
| 121. | 45.50 | North Douglas School District 22 / 2,662 |
| 123. | 45.60 | Ione School District 2 / 644 |
| 123. | 45.60 | Crook County School District / 21,037 |
| 125. | 45.70 | Lowell School District 71 / 2,558 |
| 126. | 45.80 | Adel School District 21 / 97 |
| 127. | 45.90 | Seaside School District 10 / 12,343 |
| 128. | 46.10 | Phoenix-Talent School District 4 / 24,064 |
| 129. | 46.20 | Baker School District 5J / 13,509 |
| 129. | 46.20 | Sutherlin School District 130 / 9,579 |
| 131. | 46.40 | Lakeview School District 7 / 5,215 |
| 132. | 46.90 | Imbler School District 11 / 1,381 |
| 133. | 47.10 | North Bend School District 13 / 16,046 |
| 134. | 47.20 | Annex School District 29 / 430 |
| 135. | 47.50 | Butte Falls School District 91 / 1,204 |
| 136. | 47.60 | Elgin School District 23 / 2,628 |
| 137. | 47.70 | Jewell School District 8 / 1,015 |
| 138. | 47.90 | Cove School District 15 / 1,538 |
| 138. | 47.90 | Harney County School District 4 / 803 |
| 140. | 48.10 | Monument School District 8 / 435 |
| 141. | 48.20 | Sherman School District 1 / 1,765 |
| 142. | 48.30 | Alsea School District 7J / 1,021 |
| 143. | 48.40 | Myrtle Point School District 41 / 5,069 |
| 143. | 48.40 | Paisley School District 11 / 495 |
| 145. | 48.60 | Glendale School District 77 / 2,981 |
| 146. | 48.70 | Coquille School District 8 / 7,005 |
| 147. | 48.90 | John Day School District 3 / 5,037 |
| 148. | 49.00 | Oakland School District 1 / 3,068 |
| 149. | 49.10 | Pleasant Hill School District 1 / 6,500 |
| 149. | 49.10 | Crow-Applegate-Lorane Sd 66 / 2,320 |
| 149. | 49.10 | Enterprise School District 21 / 3,047 |
| 149. | 49.10 | Oakridge School District 76 / 4,474 |
| 153. | 49.30 | Blachly School District 090 / 609 |
| 154. | 49.40 | Wallowa School District 12 / 1,792 |
| 155. | 49.50 | Jordan Valley School District 3 / 431 |
| 155. | 49.50 | North Lake School District 14 / 1,998 |
| 157. | 49.70 | Lincoln County School District / 46,192 |
| 158. | 50.00 | Sisters School District 6 / 7,596 |
| 159. | 50.10 | Glide School District 12 / 5,741 |
| 160. | 50.20 | Pinehurst School District 94 / 214 |
| 161. | 50.30 | Marcola School District 79J / 1,897 |
| 162. | 50.40 | Ukiah School District 80 / 244 |
| 163. | 50.80 | Yoncalla School District 32 / 2,675 |
| 164. | 51.50 | Three Rivers School District / 47,713 |
| 165. | 51.80 | Nestucca Valley School District 101J / 4,310 |
| 166. | 52.00 | Rogue River School District 35 / 9,283 |
| 166. | 52.00 | Mitchell School District 55 / 370 |
| 168. | 52.10 | Prospect School District 59 / 965 |
| 169. | 52.20 | Brookings-Harbor School District 17 / 13,983 |
| 169. | 52.20 | McKenzie School District 68 / 2,265 |
| 171. | 52.40 | Long Creek School District 17 / 397 |
| 172. | 52.50 | Reedsport School District 105 / 5,789 |
| 173. | 52.60 | Powers School District 31 / 832 |
| 174. | 52.70 | Mapleton School District 32 / 1,599 |
| 175. | 52.90 | Condon School District 25J / 1,061 |
| 176. | 53.00 | Huntington School District 16J / 539 |
| 176. | 53.00 | Joseph School District 6 / 2,129 |
| 178. | 53.10 | Prairie City School District 4 / 1,209 |
| 178. | 53.10 | Fossil School District 21J / 693 |
| 180. | 53.20 | Burnt River School District 30J / 394 |
| 180. | 53.20 | Days Creek School District 15 / 1,214 |
| 182. | 53.30 | Dayville School District 16J / 376 |
| 183. | 53.40 | Spray School District 1 / 367 |
| 184. | 53.50 | Double O School District 28 / 27 |
| 185. | 53.80 | Bandon School District 54 / 6,478 |
| 185. | 53.80 | Neah-Kah-Nie School District 56 / 7,654 |
| 187. | 54.00 | Troy School District 54 / 40 |
| 188. | 54.80 | Central Curry School District 1 / 5,356 |
| 189. | 55.20 | South Wasco County School District 1 / 2,079 |
| 190. | 55.70 | Port Orford-Langlois School District 2J / 3,573 |
| 191. | 55.80 | Plush School District 18 / 90 |
| 192. | 55.90 | Elkton School District 34 / 1,294 |
| 193. | 56.10 | Pine-Eagle School District 61 / 1,681 |
| 194. | 56.50 | Ashwood School District 8 / 59 |
| 195. | 57.30 | Siuslaw School District 97J / 14,672 |
| 196. | 58.00 | McDermitt School District 51 / 102 |
| 196. | 58.00 | Black Butte School District 41 / 266 |
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.
