| Rank | Percentage of Population Age 55 to 64 ▼ | School District / Population |
| 1. | 69.6% | Big Dry Creek Elementary School District / 23 |
| 2. | 45.3% | Polaris Elementary School District / 95 |
| 3. | 41.0% | Whitlash Elementary School District / 39 |
| 4. | 40.4% | Lennep Elementary School District / 47 |
| 5. | 35.8% | Springhill Elementary School District / 173 |
| 6. | 33.4% | Ovando Elementary School District / 311 |
| 7. | 32.9% | Bear Paw Elementary School District / 79 |
| 8. | 32.0% | Grant Elementary School District / 103 |
| 9. | 32.0% | S H Elementary School District / 147 |
| 10. | 31.0% | Luther Elementary School District / 335 |
| 11. | 30.3% | La Motte Elementary School District / 792 |
| 12. | 30.1% | Swan Valley Elementary School District / 495 |
| 13. | 29.6% | Divide Elementary School District / 159 |
| 14. | 28.8% | Yaak Elementary School District / 212 |
| 15. | 28.7% | Wolf Creek Elementary School District / 658 |
| 16. | 28.7% | Roberts K-12 Schools / 697 |
| 17. | 28.6% | Auchard Creek Elementary School District / 7 |
| 18. | 28.0% | Wise River Elementary School District / 371 |
| 19. | 27.9% | Benton Lake Elementary School District / 68 |
| 20. | 27.5% | Biddle Elementary School District / 109 |
| 21. | 27.3% | Lima K-12 Schools / 516 |
| 22. | 27.3% | Philipsburg K-12 Schools / 1,557 |
| 23. | 26.8% | Belfry K-12 Schools / 612 |
| 24. | 26.7% | Marion Elementary School District / 1,354 |
| 25. | 25.8% | Nye Elementary School District / 283 |
| 26. | 25.1% | Sheridan Elementary School District / 1,320 |
| 27. | 25.0% | Sheridan High School District / 1,622 |
| 28. | 25.0% | Troy Elementary School District / 2,534 |
| 29. | 24.9% | Grass Range Elementary School District / 410 |
| 30. | 24.8% | Alder Elementary School District / 302 |
| 31. | 24.8% | Kila Elementary School District / 2,045 |
| 32. | 24.8% | Troy High School District / 3,339 |
| 33. | 24.6% | Dupuyer Elementary School District / 228 |
| 34. | 24.4% | Terry K-12 Schools / 1,193 |
| 35. | 24.3% | Upper West Shore Elementary School District / 800 |
| 36. | 24.1% | Gold Creek Elementary School District / 187 |
| 37. | 23.9% | Hawks Home Elementary School District / 134 |
| 38. | 23.7% | Lincoln K-12 Schools / 975 |
| 39. | 23.5% | Trout Creek Elementary School District / 827 |
| 40. | 23.4% | Trego Elementary School District / 721 |
| 41. | 23.2% | Plains Elementary School District / 2,861 |
| 42. | 23.2% | Grass Range High School District / 444 |
| 43. | 23.2% | Clancy Elementary School District / 2,732 |
| 44. | 23.0% | Cohagen Elementary School District / 165 |
| 45. | 23.0% | Plains High School District / 3,250 |
| 46. | 22.9% | Deer Park Elementary School District / 1,103 |
| 46. | 22.9% | Pleasant Valley Elementary School District / 170 |
| 48. | 22.5% | Kircher Elementary School District / 824 |
| 49. | 22.3% | Yellowstone Academy Elementary School District / 130 |
| 50. | 22.3% | McCormick Elementary School District / 593 |
| 51. | 22.0% | Ryegate K-12 Schools / 328 |
| 52. | 21.8% | Target Range Elementary School District / 3,331 |
| 52. | 21.8% | Lincoln County High School District / 6,225 |
| 54. | 21.8% | Eureka Elementary School District / 4,688 |
| 55. | 21.6% | Winifred K-12 Schools / 384 |
| 56. | 21.5% | Cottonwood Elementary School District / 121 |
| 57. | 21.5% | Dutton/Brady K-12 Schools / 1,034 |
| 58. | 21.4% | Seeley Lake Elementary School District / 1,777 |
| 59. | 21.3% | Vida Elementary School District / 446 |
| 60. | 21.2% | Cardwell Elementary School District / 397 |
| 61. | 21.1% | Paradise Elementary School District / 389 |
| 62. | 21.0% | Stanford K-12 Schools / 924 |
| 63. | 21.0% | Woodman Elementary School District / 472 |
| 64. | 20.9% | Miami Elementary School District / 211 |
| 65. | 20.8% | Gallatin Gateway Elementary School District / 1,559 |
| 66. | 20.7% | Fortine Elementary School District / 816 |
| 67. | 20.7% | Absarokee High School District / 2,105 |
| 68. | 20.5% | Gardiner Elementary School District / 1,563 |
| 69. | 20.5% | Trinity Elementary School District / 1,420 |
| 69. | 20.5% | Whitehall Elementary School District / 3,133 |
| 71. | 20.4% | Bigfork Elementary School District / 5,807 |
| 72. | 20.3% | Potomac Elementary School District / 895 |
| 72. | 20.3% | Fort Benton Elementary School District / 1,790 |
| 74. | 20.3% | Whitewater K-12 Schools / 123 |
| 75. | 20.3% | Absarokee Elementary School District / 1,634 |
| 76. | 20.3% | Gardiner High School District / 1,615 |
| 77. | 20.2% | Vaughn Elementary School District / 1,054 |
| 78. | 20.2% | St. Regis K-12 Schools / 1,258 |
| 79. | 20.0% | Froid High School District / 445 |
| 79. | 20.0% | Froid Elementary School District / 445 |
| 79. | 20.0% | Cleveland Elementary School District / 50 |
| 82. | 20.0% | Whitehall High School District / 3,632 |
| 83. | 19.8% | Olney-Bissell Elementary School District / 1,074 |
| 84. | 19.8% | Ramsay Elementary School District / 1,257 |
| 85. | 19.8% | Bigfork High School District / 7,617 |
| 86. | 19.7% | Augusta High School District / 770 |
| 87. | 19.7% | Willow Creek High School District / 375 |
| 88. | 19.7% | Pine Grove Elementary School District / 71 |
| 89. | 19.7% | Augusta Elementary School District / 763 |
| 90. | 19.6% | Red Lodge High School District / 3,565 |
| 91. | 19.6% | Sunburst K-12 Schools / 1,162 |
| 92. | 19.5% | Thompson Falls High School District / 3,405 |
| 92. | 19.5% | Thompson Falls Elementary School District / 3,405 |
| 94. | 19.5% | Arrowhead Elementary School District / 1,889 |
| 95. | 19.4% | Custer K-12 Schools / 474 |
| 96. | 19.4% | Fort Benton High School District / 2,149 |
| 97. | 19.4% | Dodson High School District / 320 |
| 98. | 19.3% | Hysham K-12 Schools / 698 |
| 99. | 19.3% | Judith Gap High School District / 357 |
| 99. | 19.3% | Judith Gap Elementary School District / 357 |
| 101. | 19.3% | Melrose Elementary School District / 88 |
| 102. | 19.3% | Ennis K-12 Schools / 3,471 |
| 103. | 19.2% | Swan River Elementary School District / 1,611 |
| 104. | 19.1% | Lustre Elementary School District / 209 |
| 105. | 19.1% | Whitefish Elementary School District / 13,286 |
| 106. | 19.1% | Whitefish High School District / 13,999 |
| 106. | 19.1% | Jefferson High School District / 8,101 |
| 108. | 19.1% | Westby K-12 Schools / 320 |
| 109. | 19.0% | Melville Elementary School District / 216 |
| 110. | 18.9% | Corvallis K-12 Schools / 7,547 |
| 111. | 18.9% | Hot Springs Elementary School District / 1,565 |
| 111. | 18.9% | Hot Springs High School District / 1,565 |
| 113. | 18.8% | Lavina K-12 Schools / 441 |
| 114. | 18.8% | Stevensville Elementary School District / 7,158 |
| 115. | 18.7% | Park City Elementary School District / 2,305 |
| 116. | 18.6% | Roundup Elementary School District / 4,152 |
| 117. | 18.5% | Three Forks High School District / 3,076 |
| 118. | 18.5% | Roundup High School District / 4,330 |
| 119. | 18.4% | Red Lodge Elementary School District / 3,120 |
| 120. | 18.4% | Clinton Elementary School District / 2,314 |
| 121. | 18.3% | Superior K-12 Schools / 2,361 |
| 122. | 18.3% | Fairfield Elementary School District / 1,020 |
| 123. | 18.2% | Winnett K-12 Schools / 566 |
| 124. | 18.2% | Garrison Elementary School District / 154 |
| 125. | 18.2% | Geyser Elementary School District / 347 |
| 125. | 18.2% | Geyser High School District / 347 |
| 127. | 18.1% | Hinsdale Elementary School District / 419 |
| 128. | 18.1% | Three Forks Elementary School District / 3,148 |
| 129. | 18.1% | Canyon Creek Elementary School District / 2,211 |
| 129. | 18.1% | Melstone Elementary School District / 492 |
| 131. | 18.1% | Stevensville High School District / 10,559 |
| 132. | 18.1% | Pine Creek Elementary School District / 504 |
| 133. | 18.0% | Moore High School District / 460 |
| 133. | 18.0% | Forsyth High School District / 2,588 |
| 133. | 18.0% | Moore Elementary School District / 460 |
| 136. | 18.0% | Hobson K-12 Schools / 772 |
| 137. | 18.0% | Carter County High School District / 1,261 |
| 138. | 18.0% | Richey Elementary School District / 389 |
| 139. | 18.0% | Lewistown Elementary School District / 8,923 |
| 140. | 17.9% | Scobey K-12 Schools / 1,734 |
| 141. | 17.9% | Park City High School District / 2,154 |
| 142. | 17.9% | Wyola Elementary School District / 470 |
| 143. | 17.8% | Cascade Elementary School District / 1,727 |
| 144. | 17.8% | Hinsdale High School District / 438 |
| 145. | 17.7% | Helmville Elementary School District / 344 |
| 146. | 17.7% | Noxon High School District / 2,618 |
| 147. | 17.7% | Willow Creek Elementary School District / 418 |
| 147. | 17.7% | Lindsay Elementary School District / 339 |
| 149. | 17.7% | Fergus High School District / 9,218 |
| 150. | 17.6% | Columbus High School District / 3,820 |
| 151. | 17.6% | Richey High School District / 455 |
| 151. | 17.6% | De Smet Elementary School District / 694 |
| 153. | 17.6% | Darby K-12 Schools / 3,631 |
| 154. | 17.6% | Forsyth Elementary School District / 2,524 |
| 155. | 17.5% | White Sulphur Springs High School District / 1,900 |
| 156. | 17.5% | Ekalaka Elementary School District / 944 |
| 157. | 17.5% | Boulder Elementary School District / 2,155 |
| 157. | 17.5% | Nashua K-12 Schools / 854 |
| 159. | 17.4% | Big Sandy Elementary School District / 1,326 |
| 159. | 17.4% | Rosebud High School District / 396 |
| 161. | 17.2% | Spring Creek Elementary School District / 99 |
| 162. | 17.1% | Twin Bridges K-12 Schools / 1,419 |
| 163. | 17.1% | Fishtail Elementary School District / 298 |
| 164. | 17.1% | Simms High School District / 3,312 |
| 165. | 17.1% | Columbus Elementary School District / 3,669 |
| 166. | 17.1% | Savage High School District / 645 |
| 167. | 17.0% | Cayuse Prairie Elementary School District / 2,703 |
| 168. | 17.0% | White Sulphur Springs Elementary School District / 1,853 |
| 169. | 16.9% | Centerville Elementary School District / 1,753 |
| 170. | 16.8% | Somers Elementary School District / 5,769 |
| 171. | 16.8% | Cascade High School District / 2,570 |
| 172. | 16.7% | Montana City Elementary School District / 2,970 |
| 173. | 16.6% | Savage Elementary School District / 631 |
| 174. | 16.6% | Park High School District / 12,435 |
| 175. | 16.6% | Wibaux K-12 Schools / 899 |
| 176. | 16.6% | Lone Rock Elementary School District / 3,401 |
| 177. | 16.5% | Centerville High School District / 1,683 |
| 177. | 16.5% | Anaconda Elementary School District / 9,029 |
| 179. | 16.5% | Powder River County High School District / 1,654 |
| 180. | 16.5% | Anaconda High School District / 9,110 |
| 180. | 16.5% | Plentywood K-12 Schools / 2,259 |
| 182. | 16.4% | Rau Elementary School District / 286 |
| 183. | 16.4% | Basin Elementary School District / 244 |
| 183. | 16.4% | Creston Elementary School District / 1,202 |
| 183. | 16.4% | Alzada Elementary School District / 183 |
| 186. | 16.4% | Lambert Elementary School District / 324 |
| 187. | 16.3% | Elliston Elementary School District / 398 |
| 187. | 16.3% | Fairfield High School District / 1,690 |
| 189. | 16.3% | Independent Elementary School District / 2,739 |
| 190. | 16.3% | Reedpoint Elementary School District / 682 |
| 191. | 16.2% | Beaverhead County High School District / 8,712 |
| 192. | 16.2% | Shields Valley Elementary School District / 1,893 |
| 192. | 16.2% | Shields Valley High School District / 1,893 |
| 194. | 16.1% | Broadview Elementary School District / 920 |
| 195. | 16.0% | Circle High School District / 1,808 |
| 195. | 16.0% | Livingston Elementary School District / 9,903 |
| 197. | 15.9% | Alberton K-12 Schools / 1,198 |
| 198. | 15.9% | Broadus Elementary School District / 1,296 |
| 199. | 15.8% | Ulm Elementary School District / 714 |
| 200. | 15.8% | Polson High School District / 11,057 |
| 201. | 15.8% | Chinook High School District / 2,267 |
| 202. | 15.7% | West Glacier Elementary School District / 555 |
| 203. | 15.7% | Florence-Carlton K-12 Schools / 5,443 |
| 204. | 15.6% | Sun River Valley Elementary School District / 2,258 |
| 204. | 15.6% | Trail Creek Elementary School District / 32 |
| 206. | 15.6% | Chinook Elementary School District / 1,889 |
| 207. | 15.6% | Townsend K-12 Schools / 5,148 |
| 208. | 15.5% | Broadview High School District / 978 |
| 209. | 15.5% | Libby K-12 Schools / 10,030 |
| 210. | 15.4% | Molt Elementary School District / 149 |
| 211. | 15.4% | Dillon Elementary School District / 7,659 |
| 212. | 15.3% | Medicine Lake K-12 Schools / 868 |
| 213. | 15.3% | Polson Elementary School District / 9,980 |
| 213. | 15.3% | Malta K-12 Schools / 3,272 |
| 215. | 15.3% | Colstrip Elementary School District / 2,674 |
| 215. | 15.3% | Colstrip High School District / 2,674 |
| 215. | 15.3% | Anderson Elementary School District / 1,311 |
| 218. | 15.1% | Glasgow K-12 Schools / 5,157 |
| 219. | 15.1% | Helena Elementary School District / 50,452 |
| 220. | 15.1% | Joliet Elementary School District / 1,896 |
| 220. | 15.1% | Noxon Elementary School District / 1,791 |
| 222. | 15.1% | Helena High School District / 61,687 |
| 223. | 15.0% | Springdale Elementary School District / 160 |
| 223. | 15.0% | Sweet Grass County High School District / 3,533 |
| 223. | 15.0% | Hamilton K-12 Schools / 11,101 |
| 226. | 15.0% | Frazer High School District / 634 |
| 227. | 15.0% | Plevna K-12 Schools / 461 |
| 228. | 15.0% | Frenchtown K-12 Schools / 6,743 |
| 229. | 14.9% | Powell County High School District / 7,234 |
| 230. | 14.9% | Helena Flats Elementary School District / 1,884 |
| 231. | 14.8% | Elder Grove Elementary School District / 2,982 |
| 231. | 14.8% | Garfield County High School District / 1,100 |
| 233. | 14.8% | Melstone High School District / 250 |
| 234. | 14.8% | Fair-Mont-Egan Elementary School District / 1,449 |
| 235. | 14.8% | Glendive Elementary School District / 6,490 |
| 236. | 14.7% | Belt Elementary School District / 2,282 |
| 237. | 14.7% | Shelby Elementary School District / 3,790 |
| 238. | 14.7% | Harrison K-12 Schools / 824 |
| 238. | 14.7% | Bonner Elementary School District / 2,513 |
| 240. | 14.7% | Joliet High School District / 2,338 |
| 241. | 14.7% | Charlo Elementary School District / 1,297 |
| 242. | 14.5% | Belt High School District / 2,236 |
| 243. | 14.5% | Turner High School District / 338 |
| 243. | 14.5% | Dawson High School District / 8,567 |
| 245. | 14.4% | Greenfield Elementary School District / 506 |
| 246. | 14.4% | Culbertson Elementary School District / 1,118 |
| 247. | 14.4% | Greycliff Elementary School District / 278 |
| 248. | 14.4% | North Star Elementary School District / 856 |
| 249. | 14.4% | Chester-Joplin-Inverness Elementary School District / 2,263 |
| 250. | 14.3% | Shelby High School District / 4,048 |
| 250. | 14.3% | Sidney High School District / 7,731 |
| 252. | 14.3% | Circle Elementary School District / 1,362 |
| 253. | 14.3% | Bridger K-12 Schools / 1,528 |
| 254. | 14.3% | Flathead High School District / 56,804 |
| 255. | 14.3% | Laurel High School District / 10,417 |
| 256. | 14.2% | Turner Elementary School District / 344 |
| 257. | 14.2% | St. Ignatius K-12 Schools / 3,676 |
| 258. | 14.2% | Laurel Elementary School District / 10,859 |
| 259. | 14.2% | Sidney Elementary School District / 7,143 |
| 259. | 14.2% | Monforton Elementary School District / 2,074 |
| 259. | 14.2% | Custer County High School District / 11,706 |
| 262. | 14.2% | Chester-Joplin-Inverness High School District / 2,451 |
| 263. | 14.1% | Swan Lake-Salmon Elementary School District / 389 |
| 264. | 14.1% | Valier High School District / 1,473 |
| 265. | 14.1% | Malmborg Elementary School District / 248 |
| 266. | 14.1% | Big Timber Elementary School District / 2,719 |
| 267. | 14.1% | Harlowton Elementary School District / 1,779 |
| 268. | 14.0% | Sunset Elementary School District / 235 |
| 269. | 14.0% | Avon Elementary School District / 214 |
| 270. | 14.0% | East Glacier Park Elementary School District / 807 |
| 271. | 14.0% | Butte High School District / 34,143 |
| 272. | 13.9% | Harlowton High School District / 1,852 |
| 273. | 13.9% | Cottonwood Elementary School District / 397 |
| 273. | 13.9% | Name N/A / 878,315 |
| 275. | 13.8% | Deerfield Elementary School District / 29 |
| 276. | 13.8% | Ashland Elementary School District / 1,110 |
| 277. | 13.7% | Butte Elementary School District / 32,639 |
| 278. | 13.7% | Charlo High School District / 1,910 |
| 279. | 13.7% | North Star High School District / 967 |
| 280. | 13.6% | Frontier Elementary School District / 648 |
| 281. | 13.5% | Saco High School District / 488 |
| 282. | 13.5% | Victor K-12 Schools / 3,338 |
| 283. | 13.4% | Saco Elementary School District / 507 |
| 284. | 13.3% | Deer Lodge Elementary School District / 5,626 |
| 285. | 13.3% | Power High School District / 580 |
| 286. | 13.3% | Pass Creek Elementary School District / 113 |
| 286. | 13.3% | Bloomfield Elementary School District / 113 |
| 288. | 13.3% | Power Elementary School District / 573 |
| 289. | 13.2% | Rapelje High School District / 438 |
| 289. | 13.2% | Columbia Falls High School District / 14,823 |
| 291. | 13.2% | Miles City Elementary School District / 9,908 |
| 292. | 13.1% | Columbia Falls Elementary School District / 14,268 |
| 293. | 13.1% | Deer Creek Elementary School District / 1,719 |
| 294. | 13.0% | East Helena Elementary School District / 9,157 |
| 294. | 13.0% | Evergreen Elementary School District / 5,567 |
| 296. | 13.0% | Geraldine Elementary School District / 610 |
| 296. | 13.0% | Geraldine High School District / 664 |
| 296. | 13.0% | Culbertson High School District / 996 |
| 299. | 12.9% | Frazer Elementary School District / 425 |
| 300. | 12.9% | Smith Valley Elementary School District / 1,982 |
| 301. | 12.8% | Billings High School District / 128,803 |
| 302. | 12.8% | Billings Elementary School District / 107,997 |
| 303. | 12.8% | Ronan Elementary School District / 8,775 |
| 303. | 12.8% | Ronan High School District / 8,775 |
| 305. | 12.8% | Drummond Elementary School District / 1,224 |
| 306. | 12.7% | Highwood Elementary School District / 512 |
| 307. | 12.7% | Birney Elementary School District / 134 |
| 307. | 12.7% | Choteau Elementary School District / 2,616 |
| 309. | 12.7% | Fromberg K-12 Schools / 1,317 |
| 310. | 12.7% | Kinsey Elementary School District / 569 |
| 311. | 12.6% | Wisdom Elementary School District / 333 |
| 312. | 12.5% | Baker K-12 Schools / 2,590 |
| 313. | 12.5% | Reedpoint High School District / 641 |
| 313. | 12.5% | Fairview High School District / 1,290 |
| 315. | 12.5% | Havre High School District / 12,675 |
| 316. | 12.5% | Havre Elementary School District / 12,257 |
| 317. | 12.5% | Highwood High School District / 466 |
| 318. | 12.4% | Missoula High School District / 100,130 |
| 319. | 12.3% | Arlee Elementary School District / 2,290 |
| 319. | 12.3% | Arlee High School District / 2,290 |
| 321. | 12.2% | Great Falls High School District / 71,447 |
| 322. | 12.2% | Great Falls Elementary School District / 71,331 |
| 322. | 12.2% | Valier Elementary School District / 1,245 |
| 324. | 12.2% | Lambert High School District / 295 |
| 325. | 12.2% | Drummond High School District / 1,526 |
| 326. | 12.2% | Kalispell Elementary School District / 27,618 |
| 327. | 12.2% | Wolf Point High School District / 4,527 |
| 328. | 12.1% | Choteau High School District / 3,203 |
| 329. | 12.0% | Zurich Elementary School District / 299 |
| 330. | 12.0% | Hays-Lodge Pole K-12 Schools / 1,181 |
| 330. | 12.0% | Jordan Elementary School District / 624 |
| 332. | 12.0% | Conrad High School District / 3,568 |
| 333. | 11.9% | Wolf Point Elementary School District / 3,879 |
| 334. | 11.9% | Manhattan Elementary School District / 2,624 |
| 335. | 11.8% | Opheim K-12 Schools / 340 |
| 336. | 11.7% | Cottonwood Elementary School District / 205 |
| 337. | 11.6% | Lolo Elementary School District / 4,450 |
| 338. | 11.6% | Pioneer Elementary School District / 1,187 |
| 339. | 11.6% | Hardin Elementary School District / 9,474 |
| 340. | 11.6% | Fairview Elementary School District / 1,251 |
| 341. | 11.6% | Cut Bank High School District / 4,406 |
| 341. | 11.6% | Cut Bank Elementary School District / 4,406 |
| 341. | 11.6% | Dixon Elementary School District / 613 |
| 344. | 11.5% | Box Elder High School District / 338 |
| 344. | 11.5% | Box Elder Elementary School District / 338 |
| 344. | 11.5% | Cooke City Elementary School District / 52 |
| 347. | 11.5% | Morin Elementary School District / 495 |
| 348. | 11.5% | Knees Elementary School District / 148 |
| 349. | 11.5% | Missoula Elementary School District / 69,543 |
| 350. | 11.5% | Manhattan High School District / 4,646 |
| 351. | 11.4% | Conrad Elementary School District / 3,357 |
| 352. | 11.4% | Jackson Elementary School District / 140 |
| 353. | 11.3% | Hardin High School District / 8,303 |
| 354. | 11.3% | Denton High School District / 610 |
| 355. | 11.3% | Blue Creek Elementary School District / 2,204 |
| 356. | 11.3% | Carter Elementary School District / 151 |
| 357. | 11.2% | Rapelje Elementary School District / 347 |
| 358. | 11.2% | Denton Elementary School District / 581 |
| 359. | 11.2% | Big Sandy High School District / 2,532 |
| 360. | 11.2% | West Valley Elementary School District / 3,597 |
| 361. | 11.1% | Lodge Grass High School District / 2,019 |
| 362. | 10.9% | Amsterdam Elementary School District / 1,975 |
| 363. | 10.9% | Huntley Project K-12 Schools / 3,701 |
| 364. | 10.9% | McLeod Elementary School District / 258 |
| 365. | 10.8% | Sand Springs Elementary School District / 111 |
| 366. | 10.8% | Belgrade High School District / 20,757 |
| 367. | 10.7% | Lockwood Elementary School District / 7,779 |
| 368. | 10.6% | Bozeman High School District / 57,488 |
| 369. | 10.6% | Belgrade Elementary School District / 20,505 |
| 370. | 10.4% | Bynum Elementary School District / 278 |
| 371. | 10.4% | Poplar High School District / 3,344 |
| 371. | 10.4% | Poplar Elementary School District / 3,344 |
| 373. | 10.3% | Shepherd High School District / 3,927 |
| 373. | 10.3% | Shepherd Elementary School District / 3,927 |
| 375. | 10.2% | Hellgate Elementary School District / 13,221 |
| 376. | 10.0% | Warrick Elementary School District / 20 |
| 377. | 9.9% | Golden Ridge Elementary School District / 171 |
| 378. | 9.9% | Hall Elementary School District / 302 |
| 379. | 9.9% | Name N/A / 2,131 |
| 380. | 9.8% | Browning High School District / 9,016 |
| 381. | 9.8% | West Yellowstone K-12 School District / 2,005 |
| 382. | 9.7% | Lame Deer High School District / 5,174 |
| 383. | 9.7% | Bozeman Elementary School District / 51,299 |
| 384. | 9.6% | Shawmut Elementary School District / 73 |
| 385. | 9.4% | Browning Elementary School District / 8,209 |
| 386. | 9.3% | Elysian Elementary School District / 1,079 |
| 387. | 9.0% | Lodge Grass Elementary School District / 1,549 |
| 388. | 9.0% | Rocky Boy High School District / 2,052 |
| 389. | 8.9% | King Colony Elementary School District / 258 |
| 389. | 8.9% | Galata Elementary School District / 258 |
| 391. | 8.8% | Plenty Coups High School District / 953 |
| 391. | 8.8% | Pryor Elementary School District / 953 |
| 393. | 8.7% | Valley View Elementary School District / 277 |
| 394. | 8.5% | Brorson Elementary School District / 176 |
| 395. | 8.5% | Kester Elementary School District / 47 |
| 396. | 8.4% | Pendroy Elementary School District / 309 |
| 397. | 8.2% | Harlem High School District / 2,728 |
| 398. | 8.1% | Spring Creek Colony Elementary School District / 37 |
| 399. | 8.0% | Harlem Elementary School District / 2,653 |
| 400. | 7.8% | Roy K-12 Schools / 333 |
| 401. | 7.8% | Heart Butte K-12 Schools / 681 |
| 402. | 7.8% | Deep Creek Elementary School District / 129 |
| 403. | 7.3% | Davey Elementary School District / 41 |
| 404. | 7.3% | Rocky Boy Elementary School District / 3,238 |
| 405. | 7.0% | Lame Deer Elementary School District / 2,767 |
| 406. | 6.8% | South Stacey Elementary School District / 103 |
| 407. | 6.8% | Ross Elementary School District / 59 |
| 408. | 6.7% | Bainville K-12 Schools / 479 |
| 409. | 6.3% | Brockton Elementary School District / 686 |
| 409. | 6.3% | Brockton High School District / 686 |
| 411. | 5.5% | Gildford Colony Elementary School District / 91 |
| 412. | 5.3% | Spring Creek Elementary School District / 95 |
| 413. | 4.4% | Reichle Elementary School District / 92 |
| 414. | 4.0% | Liberty Elementary School District / 149 |
| 415. | 2.9% | Ayers Elementary School District / 34 |
| 416. | 2.0% | S Y Elementary School District / 49 |
Please note that we only rank locations with 'Percentage of Population Age 55 to 64' data. The rank above might not be a complete list. Locations without 'Percentage of Population Age 55 to 64' 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.
