| Rank | Median Age ▲ | School District / Population |
| 1. | 19.90 | Pine Creek School District 5 / 68 |
| 2. | 20.60 | Riverdale School District 51J / 2,969 |
| 3. | 24.60 | Helix School District 1 / 531 |
| 4. | 26.60 | Corvallis School District 509J / 61,509 |
| 5. | 27.20 | Central School District 13J / 21,982 |
| 6. | 29.90 | Umatilla School District 6 / 5,445 |
| 7. | 31.30 | Stanfield School District 61 / 2,442 |
| 8. | 32.00 | Forest Grove School District 15 / 33,138 |
| 9. | 32.60 | Mount Angel School District 91 / 4,138 |
| 10. | 32.70 | Hillsboro School District 1J / 122,782 |
| 11. | 33.00 | Woodburn School District 103 / 25,563 |
| 12. | 33.10 | Jefferson County School District 509J / 14,982 |
| 13. | 33.20 | Reynolds School District 7 / 67,173 |
| 14. | 33.50 | Echo School District 5 / 1,073 |
| 15. | 33.80 | Centennial School District 28J / 40,040 |
| 16. | 34.20 | Hermiston School District 8 / 25,386 |
| 17. | 34.50 | Nyssa School District 26 / 4,541 |
| 18. | 34.80 | Beaverton School District 48J / 247,490 |
| 19. | 34.90 | Salem-Keizer School District 24J / 239,373 |
| 20. | 35.00 | Central Linn School District 552 / 4,906 |
| 20. | 35.00 | Sherwood School District 88J / 26,234 |
| 20. | 35.00 | South Harney School District 33 / 253 |
| 23. | 35.20 | McMinnville School District 40 / 38,233 |
| 24. | 35.30 | David Douglas School District 40 / 56,440 |
| 24. | 35.30 | Newberg School District 29J / 33,790 |
| 26. | 35.40 | Vale School District 84 / 4,880 |
| 26. | 35.40 | Parkrose School District 3 / 27,205 |
| 28. | 35.50 | Annex School District 29 / 509 |
| 28. | 35.50 | Eugene School District 4J / 146,888 |
| 28. | 35.50 | Arlington School District 3 / 727 |
| 31. | 35.70 | Morrow School District 1 / 10,736 |
| 32. | 35.80 | Ontario School District 8 / 18,517 |
| 32. | 35.80 | Gresham-Barlow School District 1J / 73,297 |
| 34. | 35.90 | Portland School District 1J / 436,001 |
| 34. | 35.90 | Jordan Valley School District 3 / 521 |
| 36. | 36.10 | Klamath Falls City Schools / 19,797 |
| 37. | 36.20 | Culver School District 4 / 3,353 |
| 37. | 36.20 | Sheridan School District 48J / 6,894 |
| 39. | 36.30 | St. Paul School District 45 / 1,430 |
| 39. | 36.30 | Harrisburg School District 7J / 5,363 |
| 39. | 36.30 | Tigard-Tualatin School District 23J / 79,356 |
| 39. | 36.30 | Bethel School District 52 / 35,986 |
| 43. | 36.40 | Dayton School District 8 / 5,266 |
| 44. | 36.50 | Suntex School District 10 / 28 |
| 45. | 36.80 | La Grande School District 1 / 16,538 |
| 45. | 36.80 | Springfield School District 19 / 71,865 |
| 47. | 36.90 | St. Helens School District 502 / 19,481 |
| 48. | 37.00 | Greater Albany School District 8J / 57,852 |
| 49. | 37.10 | Silver Falls School District 4J / 19,345 |
| 49. | 37.10 | Hood River County School District 1 / 21,316 |
| 51. | 37.40 | Name N/A / 21,268 |
| 51. | 37.40 | Name N/A / 21,268 |
| 53. | 37.50 | Cascade School District 5 / 13,495 |
| 53. | 37.50 | North Clackamas School District 12 / 113,718 |
| 55. | 37.60 | Name N/A / 22,681 |
| 56. | 37.70 | Union School District 5 / 2,455 |
| 57. | 37.90 | West Linn School District 3J / 47,489 |
| 58. | 38.10 | Frenchglen School District 16 / 97 |
| 59. | 38.30 | Milton-Freewater School District 7 / 11,219 |
| 59. | 38.30 | Molalla River School District 35 / 17,713 |
| 59. | 38.30 | Vernonia School District 47J / 4,094 |
| 62. | 38.40 | Oregon City School District 62 / 54,882 |
| 62. | 38.40 | Oakland School District 1 / 3,289 |
| 64. | 38.70 | Gervais School District 1 / 5,053 |
| 64. | 38.70 | Harper School District 66 / 297 |
| 66. | 39.00 | Pendleton School District 16 / 21,726 |
| 66. | 39.00 | Bend-La Pine Administrative School District 1 / 104,559 |
| 68. | 39.30 | Warrenton-Hammond School District 30 / 5,821 |
| 69. | 39.40 | Medford School District 549 / 82,295 |
| 69. | 39.40 | North Marion School District 15 / 8,701 |
| 71. | 39.50 | Scio School District 95 / 3,418 |
| 72. | 39.60 | Gaston School District 511J / 2,973 |
| 72. | 39.60 | Amity School District 4J / 3,689 |
| 74. | 39.70 | Adrian School District 61 / 1,307 |
| 75. | 39.80 | Pilot Rock School District 2 / 2,117 |
| 75. | 39.80 | Redmond School District 2J / 42,467 |
| 75. | 39.80 | Alsea School District 7J / 1,304 |
| 78. | 40.00 | South Lane School District 45J / 18,309 |
| 78. | 40.00 | Willamina School District 30J / 5,243 |
| 80. | 40.10 | Estacada School District 108 / 13,580 |
| 80. | 40.10 | Astoria School District 1 / 14,348 |
| 80. | 40.10 | Gladstone School District 115 / 10,727 |
| 83. | 40.20 | Junction City School District 69 / 12,776 |
| 83. | 40.20 | Jefferson School District 14J / 6,262 |
| 85. | 40.30 | Tillamook School District 9 / 13,565 |
| 86. | 40.40 | Dallas School District 2 / 21,538 |
| 86. | 40.40 | Yamhill-Carlton School District 1 / 6,671 |
| 88. | 40.50 | Grants Pass School District 7 / 35,248 |
| 88. | 40.50 | Central Point School District 6 / 27,576 |
| 88. | 40.50 | Lowell School District 71 / 2,250 |
| 91. | 40.70 | Philomath School District 17J / 8,464 |
| 92. | 40.80 | Corbett School District 39 / 5,071 |
| 93. | 40.90 | Harney County Union High School District 1J / 1,316 |
| 93. | 40.90 | Lebanon Community School District 9 / 28,376 |
| 95. | 41.00 | Colton School District 53 / 4,491 |
| 96. | 41.10 | North Wasco School District 21 / 19,510 |
| 97. | 41.20 | Banks School District 13 / 6,878 |
| 97. | 41.20 | North Santiam School District 29J / 15,185 |
| 97. | 41.20 | Eagle Point School District 9 / 25,926 |
| 100. | 41.80 | Creswell School District 40 / 9,076 |
| 101. | 41.90 | Perrydale School District 21 / 1,270 |
| 101. | 41.90 | Pinehurst School District 94 / 223 |
| 103. | 42.00 | Crook County School District / 22,483 |
| 103. | 42.00 | Ashland School District 5 / 24,918 |
| 105. | 42.30 | Ione School District 2 / 695 |
| 106. | 42.40 | Lake Oswego School District 7J / 40,900 |
| 106. | 42.40 | Winston-Dillard School District 116 / 10,122 |
| 108. | 42.50 | Oregon Trail School District 46 / 27,318 |
| 109. | 42.60 | Riddle School District 70 / 2,062 |
| 110. | 42.70 | Canby School District 86 / 30,260 |
| 111. | 42.80 | Scappoose School District 1J / 14,545 |
| 112. | 42.90 | Coos Bay School District 9 / 26,973 |
| 112. | 42.90 | Rainier School District 13 / 7,676 |
| 114. | 43.10 | Fern Ridge School District 28J / 11,561 |
| 115. | 43.30 | Crow-Applegate-Lorane Sd 66 / 2,480 |
| 116. | 43.50 | Plush School District 18 / 121 |
| 117. | 43.60 | Arock School District 81 / 65 |
| 118. | 43.80 | North Powder School District 8J / 654 |
| 119. | 44.00 | Roseburg School District 4 / 45,855 |
| 119. | 44.00 | Glendale School District 77 / 2,799 |
| 121. | 44.10 | Blachly School District 090 / 690 |
| 122. | 44.30 | Dufur School District 29 / 1,627 |
| 122. | 44.30 | Monument School District 8 / 421 |
| 122. | 44.30 | Adel School District 21 / 54 |
| 125. | 44.50 | Dayville School District 16J / 404 |
| 125. | 44.50 | Falls City School District 57 / 1,530 |
| 125. | 44.50 | Monroe School District 1J / 3,078 |
| 128. | 44.60 | Athena-Weston School District 29J / 2,783 |
| 129. | 44.70 | Pleasant Hill School District 1 / 6,625 |
| 129. | 44.70 | Imbler School District 11 / 1,418 |
| 131. | 44.90 | Santiam Canyon School District 129J / 3,891 |
| 132. | 45.00 | South Umpqua School District 19 / 11,435 |
| 132. | 45.00 | Harney County School District 4 / 655 |
| 134. | 45.10 | Sherman School District 1 / 1,779 |
| 134. | 45.10 | Seaside School District 10 / 11,627 |
| 136. | 45.20 | North Douglas School District 22 / 2,596 |
| 137. | 45.50 | Knappa School District 4 / 3,159 |
| 138. | 45.60 | Cove School District 15 / 1,393 |
| 138. | 45.60 | Sweet Home School District 55 / 14,357 |
| 138. | 45.60 | Wallowa School District 12 / 1,885 |
| 141. | 45.80 | Baker School District 5J / 13,362 |
| 142. | 45.90 | Marcola School District 79J / 2,130 |
| 142. | 45.90 | Clatskanie School District 6J / 5,543 |
| 144. | 46.00 | North Bend School District 13 / 16,107 |
| 145. | 46.40 | Klamath County School District / 25,105 |
| 146. | 46.50 | Lakeview School District 7 / 5,031 |
| 146. | 46.50 | Juntura School District 12 / 97 |
| 148. | 46.80 | Jewell School District 8 / 1,004 |
| 149. | 46.90 | Phoenix-Talent School District 4 / 23,681 |
| 149. | 46.90 | Powers School District 31 / 937 |
| 151. | 47.10 | Elgin School District 23 / 2,422 |
| 152. | 47.20 | Sutherlin School District 130 / 8,742 |
| 153. | 47.30 | Camas Valley School District 21J / 869 |
| 154. | 47.50 | Oakridge School District 76 / 4,307 |
| 155. | 47.80 | Coquille School District 8 / 7,281 |
| 155. | 47.80 | Myrtle Point School District 41 / 5,038 |
| 155. | 47.80 | Prospect School District 59 / 1,003 |
| 158. | 47.90 | Harney County School District 3 / 5,461 |
| 158. | 47.90 | Lincoln County School District / 46,083 |
| 160. | 48.10 | Rogue River School District 35 / 10,045 |
| 161. | 48.20 | John Day School District 3 / 4,370 |
| 162. | 48.40 | North Lake School District 14 / 1,326 |
| 163. | 48.60 | Butte Falls School District 91 / 1,192 |
| 164. | 48.80 | Mapleton School District 32 / 1,502 |
| 165. | 49.00 | Nestucca Valley School District 101J / 4,345 |
| 166. | 49.40 | Paisley School District 11 / 628 |
| 167. | 49.50 | Sisters School District 6 / 6,906 |
| 168. | 49.90 | Three Rivers School District / 46,601 |
| 169. | 50.00 | Prairie City School District 4 / 1,266 |
| 170. | 50.30 | McKenzie School District 68 / 2,183 |
| 170. | 50.30 | McDermitt School District 51 / 57 |
| 170. | 50.30 | Reedsport School District 105 / 5,614 |
| 170. | 50.30 | Glide School District 12 / 5,046 |
| 174. | 50.40 | Enterprise School District 21 / 2,902 |
| 175. | 50.80 | Double O School District 28 / 9 |
| 176. | 51.20 | Long Creek School District 17 / 482 |
| 176. | 51.20 | Central Curry School District 1 / 4,868 |
| 178. | 51.30 | Port Orford-Langlois School District 2J / 3,300 |
| 179. | 51.70 | South Wasco County School District 1 / 1,928 |
| 180. | 52.30 | Huntington School District 16J / 590 |
| 181. | 52.40 | Days Creek School District 15 / 1,132 |
| 182. | 52.50 | Bandon School District 54 / 6,525 |
| 183. | 52.60 | Brookings-Harbor School District 17 / 13,754 |
| 184. | 52.70 | Condon School District 25J / 870 |
| 185. | 52.90 | Joseph School District 6 / 1,994 |
| 186. | 53.00 | Yoncalla School District 32 / 2,381 |
| 187. | 53.40 | Ukiah School District 80 / 183 |
| 188. | 53.70 | Ashwood School District 8 / 90 |
| 189. | 54.10 | Elkton School District 34 / 1,339 |
| 190. | 54.40 | Diamond School District 7 / 135 |
| 191. | 54.60 | Fossil School District 21J / 618 |
| 192. | 55.40 | Mitchell School District 55 / 330 |
| 193. | 55.60 | Neah-Kah-Nie School District 56 / 7,004 |
| 193. | 55.60 | Pine-Eagle School District 61 / 1,688 |
| 195. | 55.80 | Black Butte School District 41 / 276 |
| 196. | 56.40 | Spray School District 1 / 372 |
| 197. | 56.90 | Troy School District 54 / 47 |
| 198. | 57.30 | Burnt River School District 30J / 412 |
| 199. | 58.10 | Siuslaw School District 97J / 14,288 |
| 200. | 62.10 | Drewsey School District 13 / 71 |
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.
