| Rank | Attached One Unit House Percentage ▼ | School District / Population |
| 1. | 16.0% | Waukee Community School District / 25,308 |
| 2. | 15.8% | Ankeny Community School District / 43,435 |
| 3. | 14.7% | Johnston Community School District / 28,305 |
| 4. | 14.1% | Gilbert Community School District / 5,698 |
| 5. | 11.1% | Clear Creek-Amana Community School District / 10,235 |
| 6. | 10.0% | Sergeant Bluff-Luton Community School District / 6,136 |
| 7. | 9.7% | West Des Moines Community School District / 67,878 |
| 8. | 9.3% | Iowa City Community School District / 102,262 |
| 9. | 9.0% | Pleasant Valley Community School District / 19,491 |
| 10. | 8.5% | Southeast Polk Community School District / 29,537 |
| 11. | 8.1% | Dallas Center-Grimes Community School District / 10,899 |
| 12. | 7.8% | Linn-Mar Community School District / 33,580 |
| 13. | 7.8% | Urbandale Community School District / 22,991 |
| 14. | 7.7% | North Polk Community School District / 5,858 |
| 15. | 5.6% | Ames Community School District / 53,049 |
| 16. | 5.2% | College Community School District / 20,989 |
| 17. | 5.1% | Clarion-Goldfield Community School District / 4,926 |
| 18. | 5.0% | Sioux Center Community School District / 8,490 |
| 19. | 4.8% | Norwalk Community School District / 10,431 |
| 20. | 4.8% | Bettendorf Community School District / 22,144 |
| 21. | 4.5% | Lewis Central Community School District / 14,266 |
| 22. | 4.4% | North Scott Community School District / 14,502 |
| 23. | 4.4% | Garner-Hayfield Community School District / 3,894 |
| 24. | 4.3% | Sheldon Community School District / 6,790 |
| 24. | 4.3% | Carlisle Community School District / 7,638 |
| 26. | 4.3% | Dubuque Community School District / 73,917 |
| 27. | 4.3% | Van Meter Community School District / 3,099 |
| 28. | 4.2% | Davenport Community School District / 106,281 |
| 29. | 4.2% | Des Moines Independent Community School District / 197,619 |
| 30. | 4.2% | Indianola Community School District / 18,698 |
| 31. | 4.0% | Marion Independent School District / 12,018 |
| 32. | 3.9% | Vinton-Shellsburg Community School District / 10,430 |
| 33. | 3.7% | Panorama Community School District / 4,900 |
| 34. | 3.5% | Roland-Story Community School District / 5,773 |
| 35. | 3.5% | MOC-Floyd Valley Community School District / 10,409 |
| 36. | 3.5% | Ventura Community School District / 1,776 |
| 37. | 3.5% | Kingsley-Pierson Community School District / 2,727 |
| 38. | 3.4% | Adel-De Soto-Minburn Community School District / 7,922 |
| 39. | 3.4% | West Branch Community School District / 4,086 |
| 40. | 3.4% | Waterloo Community School District / 76,129 |
| 41. | 3.3% | Bondurant-Farrar Community School District / 5,037 |
| 42. | 3.1% | Clearfield Community School District / 559 |
| 43. | 3.1% | Wapsie Valley Community School District / 3,929 |
| 44. | 3.0% | Oskaloosa Community School District / 15,548 |
| 45. | 3.0% | Knoxville Community School District / 10,886 |
| 46. | 3.0% | Winterset Community School District / 8,965 |
| 47. | 2.9% | Odebolt-Arthur Community School District / 2,032 |
| 48. | 2.9% | Lisbon Community School District / 3,033 |
| 49. | 2.8% | Spirit Lake Community School District / 8,264 |
| 49. | 2.8% | Grinnell-Newburg Community School District / 11,894 |
| 51. | 2.8% | Diagonal Community School District / 709 |
| 52. | 2.7% | Spencer Community School District / 12,007 |
| 53. | 2.7% | Mount Vernon Community School District / 5,740 |
| 54. | 2.6% | Anamosa Community School District / 9,203 |
| 55. | 2.6% | Algona Community School District / 9,310 |
| 56. | 2.6% | Washington Community School District / 10,041 |
| 57. | 2.5% | Gilmore City-Bradgate Community School District / 919 |
| 58. | 2.5% | Monticello Community School District / 6,409 |
| 58. | 2.5% | Underwood Community School District / 3,494 |
| 58. | 2.5% | Whiting Community School District / 1,066 |
| 61. | 2.5% | Storm Lake Community School District / 11,200 |
| 62. | 2.4% | Laurens-Marathon Community School District / 2,220 |
| 63. | 2.4% | Cedar Falls Community School District / 38,929 |
| 64. | 2.4% | Earlham Community School District / 3,104 |
| 65. | 2.3% | Okoboji Community School District / 6,201 |
| 66. | 2.3% | Forest City Community School District / 6,531 |
| 67. | 2.3% | Oelwein Community School District / 9,040 |
| 68. | 2.3% | Stanton Community School District / 1,176 |
| 69. | 2.2% | Remsen-Union Community School District / 2,826 |
| 69. | 2.2% | Mid-Prairie Community School District / 9,395 |
| 71. | 2.2% | Woodward-Granger Community School District / 4,950 |
| 71. | 2.2% | Cedar Rapids Community School District / 120,689 |
| 73. | 2.2% | Fort Dodge Community School District / 29,528 |
| 74. | 2.1% | Schleswig Community School District / 1,779 |
| 75. | 2.1% | Allamakee Community School District / 8,966 |
| 76. | 2.1% | Missouri Valley Community School District / 5,102 |
| 77. | 2.0% | Sioux City Community School District / 82,070 |
| 78. | 2.0% | Solon Community School District / 5,796 |
| 79. | 2.0% | Newton Community School District / 21,200 |
| 80. | 2.0% | Iowa Valley Community School District / 3,406 |
| 80. | 2.0% | Council Bluffs Community School District / 58,251 |
| 82. | 1.9% | PCM Community School District / 5,095 |
| 82. | 1.9% | Akron-Westfield Community School District / 3,369 |
| 82. | 1.9% | Clear Lake Community School District / 8,608 |
| 82. | 1.9% | Mason City Community School District / 28,767 |
| 86. | 1.9% | Boone Community School District / 14,151 |
| 87. | 1.9% | Le Mars Community School District / 12,579 |
| 87. | 1.9% | Wapello Community School District / 4,035 |
| 87. | 1.9% | Camanche Community School District / 5,148 |
| 90. | 1.9% | Fairfield Community School District / 14,061 |
| 91. | 1.9% | Tipton Community School District / 4,792 |
| 91. | 1.9% | Bellevue Community School District / 4,741 |
| 93. | 1.9% | Boyden-Hull Community School District / 4,032 |
| 94. | 1.8% | Glidden-Ralston Community School District / 1,784 |
| 95. | 1.8% | North Iowa Community School District / 3,010 |
| 96. | 1.8% | Hartley-Melvin-Sanborn Community School District / 4,465 |
| 96. | 1.8% | Rock Valley Community School District / 4,680 |
| 96. | 1.8% | Decorah Community School District / 11,580 |
| 99. | 1.8% | Central City Community School District / 3,002 |
| 99. | 1.8% | North Cedar Community School District / 5,421 |
| 101. | 1.8% | Northwood-Kensett Community School District / 3,023 |
| 102. | 1.8% | Schaller-Crestland Community School District / 2,243 |
| 103. | 1.8% | Anita Community School District / 2,028 |
| 104. | 1.8% | Waverly-Shell Rock Community School District / 12,836 |
| 104. | 1.8% | Burlington Community School District / 29,176 |
| 106. | 1.8% | Central Clinton Community School District / 9,467 |
| 107. | 1.7% | Muscatine Community School District / 28,688 |
| 108. | 1.7% | Mount Pleasant Community School District / 12,841 |
| 109. | 1.7% | Webster City Community School District / 9,686 |
| 109. | 1.7% | Durant Community School District / 3,357 |
| 109. | 1.7% | Marshalltown Community School District / 29,263 |
| 112. | 1.7% | Jefferson-Scranton Community School District / 6,286 |
| 113. | 1.7% | Perry Community School District / 10,784 |
| 114. | 1.7% | Denison Community School District / 9,590 |
| 115. | 1.6% | Baxter Community School District / 1,783 |
| 116. | 1.6% | Pella Community School District / 14,903 |
| 116. | 1.6% | George-Little Rock Community School District / 2,906 |
| 118. | 1.6% | West Sioux Community School District / 4,074 |
| 119. | 1.6% | West Liberty Community School District / 6,281 |
| 120. | 1.5% | Pocahontas Area Community School District / 3,731 |
| 121. | 1.5% | Aurelia Community School District / 1,998 |
| 121. | 1.5% | Gladbrook-Reinbeck Community School District / 4,523 |
| 123. | 1.5% | Madrid Community School District / 3,635 |
| 124. | 1.5% | Central Decatur Community School District / 4,049 |
| 124. | 1.5% | Seymour Community School District / 2,473 |
| 126. | 1.5% | Humboldt Community School District / 7,064 |
| 127. | 1.4% | Graettinger Community School District / 1,447 |
| 128. | 1.4% | Harlan Community School District / 9,088 |
| 129. | 1.4% | Ballard Community School District / 6,645 |
| 129. | 1.4% | IKM Community School District / 2,562 |
| 131. | 1.3% | Glenwood Community School District / 11,205 |
| 131. | 1.3% | Riverside Community School District / 3,821 |
| 133. | 1.3% | Hudson Community School District / 3,712 |
| 134. | 1.3% | Starmont Community School District / 3,895 |
| 134. | 1.3% | Carroll Community School District / 14,615 |
| 134. | 1.3% | Nodaway Valley Community School District / 4,216 |
| 137. | 1.3% | A-H-S-T Community School District / 3,501 |
| 138. | 1.3% | Exira Community School District / 1,508 |
| 138. | 1.3% | Denver Community School District / 3,624 |
| 140. | 1.3% | South Hamilton Community School District / 3,776 |
| 140. | 1.3% | Shenandoah Community School District / 6,055 |
| 142. | 1.3% | Nashua-Plainfield Community School District / 3,868 |
| 142. | 1.3% | Alta Community School District / 3,032 |
| 144. | 1.3% | Dike-New Hartford Community School District / 4,263 |
| 145. | 1.2% | Treynor Community School District / 2,618 |
| 146. | 1.2% | Jesup Community School District / 4,557 |
| 146. | 1.2% | Belle Plaine Community School District / 3,627 |
| 148. | 1.2% | New Hampton Community School District / 7,204 |
| 149. | 1.2% | Keokuk Community School District / 12,987 |
| 150. | 1.2% | Essex Community School District / 1,472 |
| 151. | 1.2% | C and M Community School District / 1,277 |
| 152. | 1.2% | Collins-Maxwell Community School District / 2,756 |
| 152. | 1.2% | Lawton-Bronson Community School District / 3,378 |
| 154. | 1.1% | Logan-Magnolia Community School District / 3,626 |
| 155. | 1.1% | Lake Mills Community School District / 4,197 |
| 156. | 1.1% | Fredericksburg Community School District / 1,624 |
| 156. | 1.1% | North Mahaska Community School District / 3,149 |
| 158. | 1.1% | BCLUW Community School District / 3,286 |
| 159. | 1.1% | Albert City-Truesdale Community School District / 1,508 |
| 159. | 1.1% | West Hancock Community School District / 3,878 |
| 159. | 1.1% | Ottumwa Community School District / 28,330 |
| 159. | 1.1% | North Kossuth Community School District / 2,063 |
| 163. | 1.1% | Corwith-Wesley Community School District / 1,124 |
| 164. | 1.1% | Sac Community School District / 2,843 |
| 165. | 1.1% | New London Community School District / 2,959 |
| 166. | 1.0% | Union Community School District / 6,547 |
| 166. | 1.0% | Adair-Casey Community School District / 2,005 |
| 166. | 1.0% | North Fayette Community School District / 6,172 |
| 166. | 1.0% | New Market Community School District / 1,148 |
| 166. | 1.0% | Western Dubuque Community School District / 21,246 |
| 171. | 1.0% | Greene Community School District / 2,098 |
| 171. | 1.0% | Van Buren Community School District / 5,405 |
| 173. | 1.0% | Eldora-New Providence Community School District / 3,900 |
| 174. | 1.0% | East Union Community School District / 3,215 |
| 175. | 1.0% | Hampton-Dumont Community School District / 6,894 |
| 175. | 1.0% | Griswold Community School District / 3,379 |
| 177. | 1.0% | Albia Community School District / 6,897 |
| 177. | 1.0% | Turkey Valley Community School District / 3,260 |
| 177. | 1.0% | Lineville-Clio Community School District / 510 |
| 177. | 1.0% | Independence Community School District / 9,472 |
| 181. | 1.0% | North Tama County Community School District / 3,230 |
| 182. | 1.0% | South Clay Community School District / 1,060 |
| 183. | 1.0% | Charles City Community School District / 11,090 |
| 184. | 1.0% | Armstrong-Ringsted Community School District / 2,493 |
| 185. | 0.9% | Sibley-Ocheyedan Community School District / 4,779 |
| 186. | 0.9% | Grundy Center Community School District / 3,564 |
| 187. | 0.9% | Pekin Community School District / 3,832 |
| 188. | 0.9% | Lu Verne Community School District / 587 |
| 188. | 0.9% | Osage Community School District / 5,933 |
| 188. | 0.9% | Audubon Community School District / 3,715 |
| 191. | 0.9% | Tri-County Community School District / 1,982 |
| 191. | 0.9% | Delwood Community School District / 1,351 |
| 193. | 0.8% | Janesville Consolidated School District / 2,419 |
| 193. | 0.8% | Eagle Grove Community School District / 4,497 |
| 193. | 0.8% | Harmony Community School District / 2,619 |
| 196. | 0.8% | Iowa Falls Community School District / 6,603 |
| 197. | 0.8% | Nevada Community School District / 8,403 |
| 198. | 0.8% | Postville Community School District / 3,686 |
| 198. | 0.8% | Preston Community School District / 1,930 |
| 200. | 0.8% | Marcus-Meriden-Cleghorn Community School District / 2,912 |
| 201. | 0.8% | Riceville Community School District / 2,807 |
| 202. | 0.8% | Columbus Community School District / 4,341 |
| 202. | 0.8% | Newell-Fonda Community School District / 2,434 |
| 202. | 0.8% | MFL MarMac Community School District / 5,597 |
| 202. | 0.8% | Estherville Lincoln Central Community School District / 7,997 |
| 206. | 0.8% | Edgewood-Colesburg Community School District / 2,990 |
| 206. | 0.8% | Lenox Community School District / 1,868 |
| 208. | 0.7% | Cal Community School District / 1,803 |
| 208. | 0.7% | Moravia Community School District / 2,252 |
| 210. | 0.7% | Winfield-Mount Union Community School District / 2,154 |
| 210. | 0.7% | Hubbard-Radcliffe Community School District / 2,711 |
| 210. | 0.7% | Clay Central-Everly Community School District / 2,317 |
| 213. | 0.7% | West Bend-Mallard Community School District / 1,871 |
| 213. | 0.7% | West Harrison Community School District / 2,860 |
| 213. | 0.7% | Belmond-Klemme Community School District / 4,652 |
| 216. | 0.7% | Coon Rapids-Bayard Community School District / 2,464 |
| 216. | 0.7% | East Central Community School District / 2,251 |
| 218. | 0.7% | Maquoketa Community School District / 8,945 |
| 218. | 0.7% | Fort Madison Community School District / 16,879 |
| 218. | 0.7% | West Delaware County Community School District / 8,976 |
| 221. | 0.7% | Prairie Valley Community School District / 3,973 |
| 221. | 0.7% | Sigourney Community School District / 3,648 |
| 221. | 0.7% | South O'Brien Community School District / 4,600 |
| 224. | 0.7% | Tri-Center Community School District / 3,386 |
| 224. | 0.7% | Wall Lake View Auburn Community School District / 3,245 |
| 226. | 0.7% | Lone Tree Community School District / 2,744 |
| 226. | 0.7% | Atlantic Community School District / 8,479 |
| 226. | 0.7% | Aplington-Parkersburg Community School District / 4,150 |
| 229. | 0.6% | West Lyon Community School District / 4,052 |
| 230. | 0.6% | Clayton Ridge Community School District / 4,773 |
| 231. | 0.6% | Tripoli Community School District / 2,583 |
| 232. | 0.6% | Williamsburg Community School District / 5,716 |
| 232. | 0.6% | St. Ansgar Community School District / 4,087 |
| 232. | 0.6% | Saydel Community School District / 7,682 |
| 235. | 0.6% | South Tama County Community School District / 8,433 |
| 236. | 0.6% | Sumner Community School District / 3,175 |
| 236. | 0.6% | Pleasantville Community School District / 3,287 |
| 236. | 0.6% | Howard-Winneshiek Community School District / 8,781 |
| 239. | 0.6% | Olin Consolidated School District / 1,459 |
| 239. | 0.6% | Centerville Community School District / 8,933 |
| 241. | 0.6% | North Central Community School District / 3,208 |
| 241. | 0.6% | Clarinda Community School District / 6,556 |
| 243. | 0.6% | Walnut Community School District / 1,235 |
| 243. | 0.6% | Rockwell City-Lytton Community School District / 3,351 |
| 245. | 0.5% | Bennett Community School District / 1,320 |
| 245. | 0.5% | Galva-Holstein Community School District / 2,813 |
| 245. | 0.5% | West Burlington Independent School District / 3,271 |
| 248. | 0.5% | Sheffield Chapin Meservey Thornton Community School District / 3,037 |
| 249. | 0.5% | Louisa-Muscatine Community School District / 4,322 |
| 250. | 0.5% | Harris-Lake Park Community School District / 1,896 |
| 250. | 0.5% | Colfax-Mingo Community School District / 4,971 |
| 250. | 0.5% | Guthrie Center Community School District / 2,956 |
| 253. | 0.5% | West Central Community School District / 1,822 |
| 253. | 0.5% | Battle Creek-Ida Grove Community School District / 3,784 |
| 255. | 0.5% | West Marshall Community School District / 4,267 |
| 256. | 0.5% | Interstate 35 Community School District / 4,398 |
| 256. | 0.5% | Morning Sun Community School District / 1,513 |
| 258. | 0.5% | Ruthven-Ayrshire Community School District / 1,715 |
| 258. | 0.5% | Center Point-Urbana Community School District / 5,736 |
| 260. | 0.5% | Maple Valley Community School District / 3,120 |
| 260. | 0.5% | Cherokee Community School District / 5,957 |
| 262. | 0.4% | Central Lyon Community School District / 4,157 |
| 262. | 0.4% | Clarksville Community School District / 2,167 |
| 264. | 0.4% | Westwood Community School District / 2,962 |
| 265. | 0.4% | Lynnville-Sully Community School District / 2,923 |
| 265. | 0.4% | Bedford Community School District / 2,966 |
| 265. | 0.4% | Woden-Crystal Lake Community School District / 914 |
| 265. | 0.4% | Central Lee Community School District / 5,634 |
| 269. | 0.4% | Danville Community School District / 2,985 |
| 269. | 0.4% | Waco Community School District / 2,830 |
| 271. | 0.4% | Clinton Community School District / 26,148 |
| 272. | 0.4% | Midland Community School District / 3,726 |
| 272. | 0.4% | Rockwell-Swaledale Community School District / 2,060 |
| 274. | 0.4% | Nora Springs-Rock Falls Community School District / 2,661 |
| 274. | 0.4% | Farragut Community School District / 1,632 |
| 276. | 0.4% | South Page Community School District / 1,616 |
| 276. | 0.4% | Sioux Central Community School District / 2,962 |
| 278. | 0.3% | Eddyville-Blakesburg Community School District / 4,146 |
| 278. | 0.3% | West Monona Community School District / 4,171 |
| 278. | 0.3% | Woodbine Community School District / 2,691 |
| 281. | 0.3% | Hinton Community School District / 2,896 |
| 282. | 0.3% | Ogden Community School District / 3,770 |
| 283. | 0.3% | West Central Valley Community School District / 5,845 |
| 284. | 0.3% | Maquoketa Valley Community School District / 4,718 |
| 285. | 0.3% | Manning Community School District / 2,202 |
| 286. | 0.3% | Benton Community School District / 9,113 |
| 286. | 0.3% | Malvern Community School District / 1,989 |
| 288. | 0.2% | Boyer Valley Community School District / 2,487 |
| 289. | 0.2% | Woodbury Central Community School District / 3,170 |
| 289. | 0.2% | Creston Community School District / 9,061 |
| 289. | 0.2% | Hamburg Community School District / 1,735 |
| 289. | 0.2% | H-L-V Community School District / 1,884 |
| 293. | 0.2% | River Valley Community School District / 2,629 |
| 293. | 0.2% | Red Oak Community School District / 7,185 |
| 293. | 0.2% | Southeast Warren Community School District / 3,105 |
| 293. | 0.2% | Rudd-Rockford-Marble Rock Community School District / 2,923 |
| 293. | 0.2% | East Greene Community School District / 1,916 |
| 298. | 0.2% | Mount Ayr Community School District / 4,189 |
| 298. | 0.2% | Mormon Trail Community School District / 1,885 |
| 298. | 0.2% | Eastern Allamakee Community School District / 2,614 |
| 301. | 0.2% | Sentral Community School District / 1,099 |
| 302. | 0.2% | Corning Community School District / 3,062 |
| 302. | 0.2% | Mediapolis Community School District / 5,268 |
| 302. | 0.2% | Calamus-Wheatland Community School District / 2,658 |
| 305. | 0.2% | Nishna Valley Community School District / 1,263 |
| 305. | 0.2% | Chariton Community School District / 7,691 |
| 307. | 0.2% | Brooklyn-Guernsey-Malcom Community School District / 3,177 |
| 308. | 0.2% | Highland Community School District / 3,275 |
| 308. | 0.2% | South Winneshiek Community School District / 4,439 |
| 308. | 0.2% | Northeast Community School District / 3,070 |
| 311. | 0.1% | Northeast Hamilton Community School District / 1,525 |
| 312. | 0.1% | Southern Cal Community School District / 3,204 |
| 312. | 0.1% | AGWSR Community School District / 4,839 |
| 314. | 0.1% | Wayne Community School District / 3,393 |
| 314. | 0.1% | Pomeroy-Palmer Community School District / 1,412 |
Please note that we only rank locations with 'Attached One Unit House Percentage' data. The rank above might not be a complete list. Locations without 'Attached One Unit House Percentage' 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.
