| Rank | Population Density ▼ | School District / Population |
| 1. | 3,215.1/sq mi | Marion Independent School District / 12,255 |
| 2. | 2,472.7/sq mi | Des Moines Independent Community School District / 205,612 |
| 3. | 2,406.2/sq mi | Urbandale Community School District / 20,873 |
| 4. | 2,382.2/sq mi | Bettendorf Community School District / 23,151 |
| 5. | 1,774.1/sq mi | West Des Moines Community School District / 65,738 |
| 6. | 1,586.7/sq mi | Ames Community School District / 58,297 |
| 7. | 1,206.7/sq mi | Sioux City Community School District / 83,385 |
| 8. | 1,043.7/sq mi | Ankeny Community School District / 53,970 |
| 9. | 985.1/sq mi | Cedar Rapids Community School District / 120,797 |
| 10. | 967.0/sq mi | West Burlington Independent School District / 2,839 |
| 11. | 833.2/sq mi | Iowa City Community School District / 110,675 |
| 12. | 810.7/sq mi | Johnston Community School District / 34,241 |
| 13. | 807.9/sq mi | Council Bluffs Community School District / 59,876 |
| 14. | 797.9/sq mi | Clinton Community School District / 25,889 |
| 15. | 754.8/sq mi | Waukee Community School District / 41,420 |
| 16. | 746.0/sq mi | Davenport Community School District / 108,996 |
| 17. | 690.4/sq mi | Cedar Falls Community School District / 41,989 |
| 18. | 562.9/sq mi | Linn-Mar Community School District / 37,068 |
| 19. | 547.5/sq mi | Waterloo Community School District / 77,406 |
| 20. | 447.2/sq mi | Pleasant Valley Community School District / 20,099 |
| 21. | 354.8/sq mi | Saydel Community School District / 8,103 |
| 22. | 340.7/sq mi | Burlington Community School District / 30,070 |
| 23. | 304.2/sq mi | Mason City Community School District / 28,622 |
| 24. | 298.2/sq mi | Southeast Polk Community School District / 33,956 |
| 25. | 294.4/sq mi | Dubuque Community School District / 76,893 |
| 26. | 266.0/sq mi | Keokuk Community School District / 12,931 |
| 27. | 263.2/sq mi | Norwalk Community School District / 11,717 |
| 28. | 229.7/sq mi | Lewis Central Community School District / 15,278 |
| 29. | 218.0/sq mi | Ottumwa Community School District / 28,949 |
| 30. | 215.1/sq mi | Marshalltown Community School District / 30,396 |
| 31. | 192.4/sq mi | Boone Community School District / 14,429 |
| 32. | 187.9/sq mi | Fort Dodge Community School District / 28,658 |
| 33. | 178.2/sq mi | Muscatine Community School District / 29,190 |
| 34. | 175.6/sq mi | College Community School District / 24,875 |
| 35. | 145.4/sq mi | Camanche Community School District / 5,616 |
| 36. | 138.1/sq mi | Gilbert Community School District / 6,714 |
| 37. | 136.8/sq mi | Storm Lake Community School District / 12,212 |
| 38. | 128.9/sq mi | Dallas Center-Grimes Community School District / 10,190 |
| 39. | 124.0/sq mi | Indianola Community School District / 20,037 |
| 40. | 119.6/sq mi | Spencer Community School District / 12,952 |
| 41. | 118.4/sq mi | Carlisle Community School District / 8,924 |
| 42. | 110.6/sq mi | Sergeant Bluff-Luton Community School District / 6,278 |
| 43. | 108.2/sq mi | Newton Community School District / 21,242 |
| 44. | 96.9/sq mi | Clear Lake Community School District / 8,752 |
| 45. | 89.2/sq mi | Mount Vernon Community School District / 6,779 |
| 46. | 86.8/sq mi | Oskaloosa Community School District / 15,978 |
| 47. | 84.8/sq mi | Waverly-Shell Rock Community School District / 13,825 |
| 48. | 83.5/sq mi | Sioux Center Community School District / 8,923 |
| 49. | 82.0/sq mi | Madrid Community School District / 3,512 |
| 50. | 81.6/sq mi | Ballard Community School District / 7,081 |
| 51. | 80.4/sq mi | Pella Community School District / 15,556 |
| 52. | 78.1/sq mi | Perry Community School District / 10,091 |
| 53. | 77.9/sq mi | Bondurant-Farrar Community School District / 6,685 |
| 54. | 76.4/sq mi | Nevada Community School District / 8,919 |
| 55. | 76.1/sq mi | Spirit Lake Community School District / 8,022 |
| 56. | 75.8/sq mi | Solon Community School District / 6,638 |
| 57. | 73.5/sq mi | Knoxville Community School District / 11,702 |
| 58. | 72.5/sq mi | North Scott Community School District / 15,673 |
| 59. | 71.0/sq mi | Fort Madison Community School District / 17,216 |
| 60. | 69.5/sq mi | Anamosa Community School District / 9,287 |
| 61. | 69.5/sq mi | Clear Creek-Amana Community School District / 12,321 |
| 62. | 69.1/sq mi | North Polk Community School District / 6,798 |
| 63. | 68.3/sq mi | Decorah Community School District / 11,789 |
| 64. | 67.5/sq mi | Glenwood Community School District / 11,075 |
| 65. | 67.1/sq mi | Oelwein Community School District / 8,702 |
| 66. | 66.8/sq mi | Denver Community School District / 3,847 |
| 67. | 65.4/sq mi | Center Point-Urbana Community School District / 5,868 |
| 68. | 62.7/sq mi | Denison Community School District / 10,354 |
| 69. | 62.6/sq mi | Roland-Story Community School District / 5,841 |
| 70. | 57.9/sq mi | Lisbon Community School District / 2,816 |
| 71. | 57.4/sq mi | Janesville Consolidated School District / 2,455 |
| 72. | 56.3/sq mi | Cherokee Community School District / 6,432 |
| 73. | 55.7/sq mi | Grinnell-Newburg Community School District / 12,345 |
| 74. | 55.6/sq mi | Van Meter Community School District / 3,282 |
| 75. | 54.8/sq mi | Central Clinton Community School District / 9,489 |
| 76. | 54.3/sq mi | Alburnett Community School District / 3,524 |
| 77. | 53.2/sq mi | Hudson Community School District / 3,327 |
| 78. | 52.5/sq mi | Iowa Falls Community School District / 7,064 |
| 79. | 52.0/sq mi | Carroll Community School District / 14,060 |
| 80. | 52.0/sq mi | Mount Pleasant Community School District / 12,907 |
| 81. | 51.7/sq mi | Independence Community School District / 9,001 |
| 82. | 51.1/sq mi | Maquoketa Community School District / 8,888 |
| 83. | 50.5/sq mi | Le Mars Community School District / 13,419 |
| 84. | 50.4/sq mi | Webster City Community School District / 9,959 |
| 85. | 50.2/sq mi | Forest City Community School District / 7,723 |
| 86. | 49.9/sq mi | Washington Community School District / 10,221 |
| 87. | 49.8/sq mi | Okoboji Community School District / 6,700 |
| 88. | 49.7/sq mi | Charles City Community School District / 11,219 |
| 89. | 49.6/sq mi | Centerville Community School District / 8,881 |
| 90. | 48.6/sq mi | Woodward-Granger Community School District / 5,287 |
| 91. | 48.5/sq mi | MOC-Floyd Valley Community School District / 11,218 |
| 92. | 48.3/sq mi | Creston Community School District / 9,674 |
| 93. | 47.9/sq mi | Adel-De Soto-Minburn Community School District / 8,067 |
| 94. | 45.8/sq mi | North Central Community School District / 5,594 |
| 95. | 45.1/sq mi | Clarinda Community School District / 7,277 |
| 96. | 44.8/sq mi | Vinton-Shellsburg Community School District / 10,383 |
| 97. | 44.7/sq mi | New London Community School District / 2,987 |
| 98. | 44.6/sq mi | Allison-Bristow Community School District / 4,070 |
| 99. | 44.0/sq mi | Springville Community School District / 2,568 |
| 100. | 43.7/sq mi | Fairfield Community School District / 15,659 |
| 101. | 42.9/sq mi | Wilton Community School District / 4,251 |
| 102. | 42.7/sq mi | West Liberty Community School District / 6,333 |
| 103. | 42.2/sq mi | Mid-Prairie Community School District / 9,096 |
| 104. | 42.0/sq mi | Jesup Community School District / 5,895 |
| 105. | 41.7/sq mi | Shenandoah Community School District / 6,133 |
| 106. | 41.6/sq mi | Rock Valley Community School District / 5,192 |
| 107. | 41.5/sq mi | Atlantic Community School District / 8,459 |
| 108. | 41.3/sq mi | Louisa-Muscatine Community School District / 4,762 |
| 109. | 40.3/sq mi | Boyden-Hull Community School District / 4,358 |
| 110. | 40.3/sq mi | West Delaware County Community School District / 9,003 |
| 111. | 39.8/sq mi | Central City Community School District / 2,998 |
| 112. | 39.7/sq mi | Western Dubuque Community School District / 22,060 |
| 113. | 39.4/sq mi | Colfax-Mingo Community School District / 4,262 |
| 114. | 39.2/sq mi | Estherville Lincoln Central Community School District / 7,995 |
| 115. | 39.1/sq mi | Monticello Community School District / 6,621 |
| 116. | 39.0/sq mi | Sheldon Community School District / 7,292 |
| 117. | 38.5/sq mi | Martensdale-St. Marys Community School District / 3,019 |
| 118. | 37.7/sq mi | Durant Community School District / 3,345 |
| 119. | 36.8/sq mi | Garner-Hayfield Community School District / 3,852 |
| 120. | 36.7/sq mi | Missouri Valley Community School District / 5,140 |
| 121. | 35.8/sq mi | Tipton Community School District / 4,999 |
| 122. | 34.9/sq mi | Red Oak Community School District / 6,975 |
| 123. | 34.4/sq mi | Danville Community School District / 2,743 |
| 124. | 34.2/sq mi | South Tama County Community School District / 8,674 |
| 125. | 34.1/sq mi | Humboldt Community School District / 7,467 |
| 126. | 34.0/sq mi | Iowa Valley Community School District / 3,512 |
| 127. | 33.9/sq mi | Bellevue Community School District / 4,704 |
| 128. | 33.9/sq mi | West Branch Community School District / 4,319 |
| 129. | 33.8/sq mi | Columbus Community School District / 4,667 |
| 130. | 33.7/sq mi | Highland Community School District / 4,128 |
| 131. | 33.3/sq mi | East Central Community School District / 4,005 |
| 132. | 33.3/sq mi | Algona Community School District / 9,417 |
| 133. | 32.9/sq mi | Grundy Center Community School District / 3,725 |
| 134. | 32.8/sq mi | Wall Lake View Auburn Community School District / 5,728 |
| 135. | 32.3/sq mi | Clarksville Community School District / 2,094 |
| 136. | 32.3/sq mi | Underwood Community School District / 4,036 |
| 137. | 31.9/sq mi | Malvern Community School District / 3,384 |
| 138. | 31.8/sq mi | Winterset Community School District / 8,821 |
| 139. | 31.7/sq mi | Harlan Community School District / 8,844 |
| 140. | 31.6/sq mi | Treynor Community School District / 3,013 |
| 141. | 31.5/sq mi | Williamsburg Community School District / 6,496 |
| 142. | 31.1/sq mi | Pleasantville Community School District / 3,661 |
| 143. | 31.0/sq mi | MFL MarMac Community School District / 5,471 |
| 144. | 30.8/sq mi | Belle Plaine Community School District / 3,236 |
| 145. | 30.8/sq mi | Earlham Community School District / 3,358 |
| 146. | 30.6/sq mi | North Fayette Community School District / 6,122 |
| 147. | 30.4/sq mi | Dunkerton Community School District / 2,499 |
| 148. | 30.1/sq mi | Wapsie Valley Community School District / 3,790 |
| 149. | 29.9/sq mi | Dike-New Hartford Community School District / 4,498 |
| 150. | 29.4/sq mi | Morning Sun Community School District / 1,362 |
| 151. | 29.2/sq mi | Lamoni Community School District / 3,133 |
| 152. | 28.9/sq mi | Chariton Community School District / 8,330 |
| 153. | 28.8/sq mi | Eagle Grove Community School District / 4,693 |
| 154. | 28.4/sq mi | Hampton-Dumont Community School District / 6,739 |
| 155. | 28.2/sq mi | Postville Community School District / 3,489 |
| 156. | 28.0/sq mi | Sac Community School District / 2,765 |
| 157. | 28.0/sq mi | Nora Springs-Rock Falls Community School District / 2,466 |
| 158. | 27.9/sq mi | Ogden Community School District / 4,003 |
| 159. | 27.8/sq mi | PCM Community School District / 5,314 |
| 160. | 27.8/sq mi | Tripoli Community School District / 2,771 |
| 161. | 27.7/sq mi | Benton Community School District / 9,202 |
| 162. | 27.4/sq mi | Preston Community School District / 1,842 |
| 163. | 27.2/sq mi | Clarke Community School District / 8,023 |
| 164. | 27.2/sq mi | Cardinal Community School District / 4,014 |
| 165. | 26.8/sq mi | Interstate 35 Community School District / 4,979 |
| 166. | 26.7/sq mi | Osage Community School District / 5,969 |
| 167. | 26.7/sq mi | New Hampton Community School District / 7,238 |
| 168. | 26.4/sq mi | Aplington-Parkersburg Community School District / 4,304 |
| 169. | 26.4/sq mi | Waco Community School District / 3,209 |
| 170. | 26.2/sq mi | Melcher-Dallas Community School District / 1,674 |
| 171. | 26.1/sq mi | Eldora-New Providence Community School District / 3,765 |
| 172. | 26.1/sq mi | Lawton-Bronson Community School District / 3,078 |
| 173. | 25.9/sq mi | Wapello Community School District / 3,582 |
| 174. | 25.8/sq mi | Maquoketa Valley Community School District / 4,450 |
| 175. | 25.8/sq mi | West Marshall Community School District / 4,951 |
| 176. | 25.7/sq mi | Sumner Community School District / 3,448 |
| 177. | 25.5/sq mi | West Sioux Community School District / 3,988 |
| 178. | 25.4/sq mi | West Central Valley Community School District / 5,965 |
| 179. | 25.3/sq mi | Lone Tree Community School District / 2,278 |
| 180. | 25.2/sq mi | East Marshall Community School District / 4,093 |
| 181. | 25.1/sq mi | Baxter Community School District / 1,717 |
| 182. | 25.0/sq mi | North Cedar Community School District / 5,101 |
| 183. | 24.9/sq mi | South Winneshiek Community School District / 4,523 |
| 184. | 24.9/sq mi | Central Lyon Community School District / 4,018 |
| 185. | 24.8/sq mi | Jefferson-Scranton Community School District / 6,062 |
| 186. | 24.7/sq mi | Central Lee Community School District / 5,129 |
| 187. | 24.6/sq mi | Sheffield Chapin Meservey Thornton Community School District / 4,716 |
| 188. | 24.3/sq mi | Panorama Community School District / 4,575 |
| 189. | 24.2/sq mi | Union Community School District / 6,347 |
| 190. | 24.1/sq mi | North Linn Community School District / 3,653 |
| 191. | 24.0/sq mi | Collins-Maxwell Community School District / 2,689 |
| 192. | 23.2/sq mi | Gladbrook-Reinbeck Community School District / 4,417 |
| 193. | 23.1/sq mi | Alta Community School District / 2,893 |
| 194. | 22.8/sq mi | Eddyville-Blakesburg Community School District / 5,108 |
| 195. | 22.8/sq mi | IKM Community School District / 4,641 |
| 196. | 22.6/sq mi | Graettinger Community School District / 2,201 |
| 197. | 22.4/sq mi | Logan-Magnolia Community School District / 2,902 |
| 198. | 22.3/sq mi | Clayton Ridge Community School District / 5,044 |
| 199. | 22.2/sq mi | Lynnville-Sully Community School District / 3,164 |
| 200. | 22.2/sq mi | Sigourney Community School District / 3,751 |
| 201. | 22.2/sq mi | Montezuma Community School District / 3,480 |
| 202. | 22.0/sq mi | Albia Community School District / 7,435 |
| 203. | 21.9/sq mi | Fredericksburg Community School District / 1,824 |
| 204. | 21.6/sq mi | Belmond-Klemme Community School District / 4,389 |
| 205. | 21.5/sq mi | Woodbury Central Community School District / 2,901 |
| 206. | 21.3/sq mi | Brooklyn-Guernsey-Malcom Community School District / 3,173 |
| 207. | 21.2/sq mi | Emmetsburg Community School District / 4,971 |
| 208. | 21.2/sq mi | Howard-Winneshiek Community School District / 9,042 |
| 209. | 21.1/sq mi | Hinton Community School District / 2,690 |
| 210. | 21.1/sq mi | Nashua-Plainfield Community School District / 3,878 |
| 211. | 20.8/sq mi | Tri-Center Community School District / 3,553 |
| 212. | 20.5/sq mi | C and M Community School District / 2,951 |
| 213. | 20.5/sq mi | Northwood-Kensett Community School District / 3,314 |
| 214. | 20.5/sq mi | Southeast Warren Community School District / 3,145 |
| 215. | 20.2/sq mi | Mediapolis Community School District / 4,736 |
| 216. | 20.2/sq mi | Edgewood-Colesburg Community School District / 2,949 |
| 217. | 20.1/sq mi | Allamakee Community School District / 8,539 |
| 218. | 20.0/sq mi | Manning Community School District / 2,240 |
| 219. | 19.9/sq mi | Twin Cedars Community School District / 2,548 |
| 220. | 19.9/sq mi | Pocahontas Area Community School District / 5,262 |
| 221. | 19.8/sq mi | Kingsley-Pierson Community School District / 2,646 |
| 222. | 19.8/sq mi | Lake Mills Community School District / 3,576 |
| 223. | 19.7/sq mi | East Buchanan Community School District / 2,905 |
| 224. | 19.7/sq mi | Valley Community School District / 3,065 |
| 225. | 19.6/sq mi | Sibley-Ocheyedan Community School District / 4,603 |
| 226. | 19.5/sq mi | West Lyon Community School District / 4,823 |
| 227. | 19.3/sq mi | North Tama County Community School District / 3,086 |
| 228. | 19.1/sq mi | Manson Northwest Webster Community School District / 4,280 |
| 229. | 19.1/sq mi | West Hancock Community School District / 4,119 |
| 230. | 18.9/sq mi | Battle Creek-Ida Grove Community School District / 3,937 |
| 231. | 18.9/sq mi | GMG Community School District / 1,782 |
| 232. | 18.8/sq mi | Davis County Community School District / 8,677 |
| 233. | 18.8/sq mi | Calamus-Wheatland Community School District / 2,301 |
| 234. | 18.4/sq mi | Maple Valley Community School District / 4,404 |
| 235. | 18.4/sq mi | Ventura Community School District / 1,683 |
| 236. | 18.4/sq mi | Central Community School District / 3,329 |
| 237. | 18.4/sq mi | AGWSR Community School District / 4,849 |
| 238. | 18.3/sq mi | Olin Consolidated School District / 1,480 |
| 239. | 18.3/sq mi | Woodbine Community School District / 2,660 |
| 240. | 18.3/sq mi | Fremont Community School District / 1,135 |
| 241. | 18.2/sq mi | Starmont Community School District / 3,814 |
| 242. | 18.0/sq mi | Hartley-Melvin-Sanborn Community School District / 4,250 |
| 243. | 17.9/sq mi | Clarion-Goldfield Community School District / 4,653 |
| 244. | 17.8/sq mi | Glidden-Ralston Community School District / 2,080 |
| 245. | 17.8/sq mi | Riverside Community School District / 4,115 |
| 246. | 17.7/sq mi | St. Ansgar Community School District / 4,065 |
| 247. | 17.7/sq mi | Elk Horn-Kimballton Community School District / 1,467 |
| 248. | 17.7/sq mi | South Hamilton Community School District / 3,602 |
| 249. | 17.6/sq mi | Colo-Nesco Community School District / 3,044 |
| 250. | 17.6/sq mi | Akron-Westfield Community School District / 3,200 |
| 251. | 17.6/sq mi | BCLUW Community School District / 3,214 |
| 252. | 17.6/sq mi | Turkey Valley Community School District / 2,954 |
| 253. | 17.4/sq mi | H-L-V Community School District / 2,207 |
| 254. | 17.4/sq mi | Fremont-Mills Community School District / 2,550 |
| 255. | 17.2/sq mi | West Monona Community School District / 4,003 |
| 256. | 17.0/sq mi | Eastern Allamakee Community School District / 2,710 |
| 257. | 16.9/sq mi | Winfield-Mount Union Community School District / 1,651 |
| 258. | 16.9/sq mi | Remsen-Union Community School District / 3,013 |
| 259. | 16.9/sq mi | Greene Community School District / 2,045 |
| 260. | 16.8/sq mi | Harmony Community School District / 2,823 |
| 261. | 16.8/sq mi | Northeast Community School District / 2,941 |
| 262. | 16.8/sq mi | United Community School District / 2,145 |
| 263. | 16.3/sq mi | A-H-S-T Community School District / 3,146 |
| 264. | 16.2/sq mi | Rockwell City-Lytton Community School District / 3,246 |
| 265. | 16.0/sq mi | Delwood Community School District / 1,123 |
| 266. | 15.9/sq mi | Essex Community School District / 1,445 |
| 267. | 15.6/sq mi | Rockwell-Swaledale Community School District / 1,970 |
| 268. | 15.4/sq mi | Laurens-Marathon Community School District / 2,182 |
| 269. | 15.4/sq mi | Stratford Community School District / 1,209 |
| 270. | 15.4/sq mi | Stanton Community School District / 1,214 |
| 271. | 15.3/sq mi | Coon Rapids-Bayard Community School District / 2,822 |
| 272. | 15.3/sq mi | Andrew Community School District / 1,551 |
| 273. | 15.3/sq mi | George-Little Rock Community School District / 2,698 |
| 274. | 15.3/sq mi | North Mahaska Community School District / 2,811 |
| 275. | 15.2/sq mi | Hamburg Community School District / 1,478 |
| 276. | 15.1/sq mi | Galva-Holstein Community School District / 2,573 |
| 277. | 15.1/sq mi | Hubbard-Radcliffe Community School District / 2,896 |
| 278. | 15.0/sq mi | English Valleys Community School District / 2,890 |
| 279. | 15.0/sq mi | Midland Community School District / 3,620 |
| 280. | 15.0/sq mi | Keota Community School District / 2,064 |
| 281. | 15.0/sq mi | North Winneshiek Community School District / 2,037 |
| 282. | 14.9/sq mi | Bennett Community School District / 1,138 |
| 283. | 14.9/sq mi | Prairie Valley Community School District / 4,144 |
| 284. | 14.9/sq mi | South O'Brien Community School District / 4,582 |
| 285. | 14.8/sq mi | Alden Community School District / 1,572 |
| 286. | 14.7/sq mi | Odebolt-Arthur Community School District / 2,227 |
| 287. | 14.7/sq mi | Nodaway Valley Community School District / 4,119 |
| 288. | 14.6/sq mi | Westwood Community School District / 3,153 |
| 289. | 14.5/sq mi | Rudd-Rockford-Marble Rock Community School District / 2,956 |
| 290. | 14.4/sq mi | Lenox Community School District / 2,032 |
| 291. | 14.4/sq mi | Central Decatur Community School District / 4,215 |
| 292. | 14.3/sq mi | Cal Community School District / 1,713 |
| 293. | 14.3/sq mi | Southeast Webster-Grand Community School District / 3,156 |
| 294. | 14.3/sq mi | Guthrie Center Community School District / 2,625 |
| 295. | 14.2/sq mi | Ruthven-Ayrshire Community School District / 1,409 |
| 296. | 14.2/sq mi | Schaller-Crestland Community School District / 2,388 |
| 297. | 14.2/sq mi | West Central Community School District / 1,871 |
| 298. | 14.1/sq mi | Audubon Community School District / 3,382 |
| 299. | 14.1/sq mi | Pekin Community School District / 3,690 |
| 300. | 14.1/sq mi | Griswold Community School District / 3,404 |
| 301. | 14.1/sq mi | Walnut Community School District / 1,219 |
| 302. | 14.0/sq mi | Boyer Valley Community School District / 2,740 |
| 303. | 14.0/sq mi | Van Buren Community School District / 5,065 |
| 304. | 13.9/sq mi | Wayne Community School District / 3,819 |
| 305. | 13.8/sq mi | Newell-Fonda Community School District / 2,569 |
| 306. | 13.7/sq mi | Villisca Community School District / 2,189 |
| 307. | 13.7/sq mi | Ar-We-Va Community School District / 2,230 |
| 308. | 13.4/sq mi | Southern Cal Community School District / 2,962 |
| 309. | 13.3/sq mi | Sioux Central Community School District / 2,581 |
| 310. | 13.3/sq mi | Whiting Community School District / 1,328 |
| 311. | 13.1/sq mi | Tri-County Community School District / 1,682 |
| 312. | 13.1/sq mi | Schleswig Community School District / 1,630 |
| 313. | 13.0/sq mi | Anita Community School District / 1,759 |
| 314. | 12.8/sq mi | Sidney Community School District / 1,811 |
| 315. | 12.8/sq mi | Exira Community School District / 1,825 |
| 316. | 12.5/sq mi | Albert City-Truesdale Community School District / 1,472 |
| 317. | 12.5/sq mi | Aurelia Community School District / 1,646 |
| 318. | 12.5/sq mi | Harris-Lake Park Community School District / 1,717 |
| 319. | 12.5/sq mi | Marcus-Meriden-Cleghorn Community School District / 2,921 |
| 320. | 12.5/sq mi | Moravia Community School District / 2,300 |
| 321. | 12.4/sq mi | East Greene Community School District / 1,714 |
| 322. | 12.3/sq mi | East Union Community School District / 3,256 |
| 323. | 12.1/sq mi | Riceville Community School District / 2,655 |
| 324. | 12.0/sq mi | Adair-Casey Community School District / 1,914 |
| 325. | 11.7/sq mi | Nishna Valley Community School District / 1,334 |
| 326. | 11.7/sq mi | River Valley Community School District / 2,583 |
| 327. | 11.7/sq mi | Bedford Community School District / 3,075 |
| 328. | 11.7/sq mi | Twin Rivers Community School District / 1,193 |
| 329. | 11.6/sq mi | Russell Community School District / 1,065 |
| 330. | 11.5/sq mi | Woden-Crystal Lake Community School District / 912 |
| 331. | 11.4/sq mi | Charter Oak-Ute Community School District / 2,099 |
| 332. | 11.3/sq mi | Armstrong-Ringsted Community School District / 2,149 |
| 333. | 11.1/sq mi | West Harrison Community School District / 2,638 |
| 334. | 11.1/sq mi | Seymour Community School District / 2,410 |
| 335. | 11.1/sq mi | Farragut Community School District / 1,483 |
| 336. | 11.0/sq mi | Pomeroy-Palmer Community School District / 1,528 |
| 337. | 11.0/sq mi | West Bend-Mallard Community School District / 2,108 |
| 338. | 10.9/sq mi | North Kossuth Community School District / 2,237 |
| 339. | 10.8/sq mi | Corning Community School District / 2,814 |
| 340. | 10.8/sq mi | South Page Community School District / 1,510 |
| 341. | 10.8/sq mi | Clay Central-Everly Community School District / 2,322 |
| 342. | 10.8/sq mi | Mount Ayr Community School District / 4,141 |
| 343. | 10.8/sq mi | Gilmore City-Bradgate Community School District / 1,012 |
| 344. | 10.3/sq mi | North Iowa Community School District / 3,147 |
| 345. | 10.1/sq mi | Anthon-Oto Community School District / 1,381 |
| 346. | 9.9/sq mi | Titonka Consolidated School District / 897 |
| 347. | 9.5/sq mi | Northeast Hamilton Community School District / 1,390 |
| 348. | 9.5/sq mi | Moulton-Udell Community School District / 1,375 |
| 349. | 9.4/sq mi | Clearfield Community School District / 688 |
| 350. | 9.2/sq mi | Corwith-Wesley Community School District / 921 |
| 351. | 9.1/sq mi | Murray Community School District / 1,200 |
| 352. | 9.1/sq mi | Paton-Churdan Community School District / 1,112 |
| 353. | 9.0/sq mi | New Market Community School District / 957 |
| 354. | 8.2/sq mi | Mormon Trail Community School District / 1,675 |
| 355. | 8.1/sq mi | Prescott Community School District / 645 |
| 356. | 8.0/sq mi | Diagonal Community School District / 662 |
| 357. | 7.8/sq mi | Dows Community School District / 801 |
| 358. | 7.7/sq mi | Terril Community School District / 993 |
| 359. | 7.5/sq mi | Sentral Community School District / 1,028 |
| 360. | 7.4/sq mi | South Clay Community School District / 910 |
| 361. | 7.0/sq mi | Lineville-Clio Community School District / 533 |
| 362. | 6.7/sq mi | Orient-Macksburg Community School District / 1,209 |
| 363. | 6.2/sq mi | Lu Verne Community School District / 506 |
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.
