| Rank | 1 Room House Percentage ▼ | School District / Population |
| 1. | 6.4% | Whiting Community School District / 1,101 |
| 2. | 4.8% | Walnut Community School District / 1,280 |
| 3. | 4.1% | Woodbine Community School District / 2,484 |
| 4. | 3.7% | Roland-Story Community School District / 5,841 |
| 5. | 3.2% | Dubuque Community School District / 75,820 |
| 6. | 3.2% | Central Decatur Community School District / 4,291 |
| 7. | 3.1% | Mount Pleasant Community School District / 12,932 |
| 8. | 3.0% | Clarke Community School District / 7,970 |
| 9. | 2.8% | Marion Independent School District / 11,702 |
| 9. | 2.8% | Chariton Community School District / 8,372 |
| 11. | 2.7% | Fairfield Community School District / 15,380 |
| 12. | 2.7% | North Winneshiek Community School District / 2,124 |
| 13. | 2.6% | Independence Community School District / 8,881 |
| 14. | 2.6% | Lawton-Bronson Community School District / 3,245 |
| 15. | 2.4% | Cedar Rapids Community School District / 119,948 |
| 16. | 2.4% | Davis County Community School District / 8,532 |
| 17. | 2.3% | Harlan Community School District / 9,058 |
| 18. | 2.3% | Anamosa Community School District / 9,281 |
| 19. | 2.3% | Cedar Falls Community School District / 40,441 |
| 20. | 2.3% | Harris-Lake Park Community School District / 1,928 |
| 21. | 2.3% | Des Moines Independent Community School District / 203,403 |
| 22. | 2.2% | Sheldon Community School District / 7,300 |
| 23. | 2.2% | New London Community School District / 2,882 |
| 24. | 2.1% | West Monona Community School District / 4,438 |
| 24. | 2.1% | Clarinda Community School District / 7,422 |
| 26. | 2.1% | Alta Community School District / 2,762 |
| 27. | 2.1% | Clear Lake Community School District / 8,664 |
| 28. | 2.1% | Council Bluffs Community School District / 60,187 |
| 29. | 2.1% | Mount Vernon Community School District / 6,558 |
| 30. | 2.1% | Clinton Community School District / 26,242 |
| 31. | 2.0% | Wapello Community School District / 3,532 |
| 32. | 2.0% | Fort Madison Community School District / 17,063 |
| 33. | 2.0% | Hartley-Melvin-Sanborn Community School District / 4,054 |
| 34. | 2.0% | Calamus-Wheatland Community School District / 2,420 |
| 35. | 1.9% | Starmont Community School District / 4,089 |
| 36. | 1.9% | Delwood Community School District / 1,190 |
| 37. | 1.9% | Cardinal Community School District / 4,419 |
| 38. | 1.8% | Boone Community School District / 14,545 |
| 39. | 1.8% | Valley Community School District / 3,063 |
| 40. | 1.8% | Sioux City Community School District / 83,093 |
| 41. | 1.8% | Denison Community School District / 10,164 |
| 42. | 1.7% | Cal Community School District / 1,833 |
| 42. | 1.7% | Shenandoah Community School District / 6,309 |
| 44. | 1.7% | Winterset Community School District / 9,165 |
| 45. | 1.7% | Centerville Community School District / 9,023 |
| 46. | 1.7% | Pella Community School District / 15,525 |
| 46. | 1.7% | Adel-De Soto-Minburn Community School District / 8,103 |
| 46. | 1.7% | St. Ansgar Community School District / 4,057 |
| 49. | 1.7% | Ottumwa Community School District / 28,755 |
| 50. | 1.7% | Cherokee Community School District / 6,485 |
| 51. | 1.7% | Ames Community School District / 56,587 |
| 52. | 1.6% | West Sioux Community School District / 4,130 |
| 53. | 1.6% | Lenox Community School District / 1,919 |
| 54. | 1.6% | Iowa City Community School District / 106,668 |
| 55. | 1.6% | Atlantic Community School District / 8,481 |
| 56. | 1.6% | West Burlington Independent School District / 2,853 |
| 57. | 1.5% | Allamakee Community School District / 8,769 |
| 58. | 1.5% | Hamburg Community School District / 1,634 |
| 58. | 1.5% | Ballard Community School District / 7,383 |
| 60. | 1.5% | Keokuk Community School District / 12,795 |
| 61. | 1.5% | Panorama Community School District / 4,443 |
| 62. | 1.5% | Ventura Community School District / 1,727 |
| 63. | 1.5% | Washington Community School District / 9,965 |
| 63. | 1.5% | Jefferson-Scranton Community School District / 6,151 |
| 65. | 1.5% | Center Point-Urbana Community School District / 5,773 |
| 65. | 1.5% | Spencer Community School District / 12,976 |
| 65. | 1.5% | PCM Community School District / 5,079 |
| 68. | 1.4% | Central Clinton Community School District / 9,305 |
| 69. | 1.4% | Nodaway Valley Community School District / 4,188 |
| 70. | 1.4% | Rockwell City-Lytton Community School District / 3,410 |
| 71. | 1.3% | Titonka Consolidated School District / 888 |
| 72. | 1.3% | West Liberty Community School District / 6,173 |
| 73. | 1.3% | Wayne Community School District / 3,986 |
| 74. | 1.3% | Missouri Valley Community School District / 5,042 |
| 75. | 1.3% | North Linn Community School District / 3,624 |
| 76. | 1.3% | Oskaloosa Community School District / 15,898 |
| 77. | 1.3% | Columbus Community School District / 4,712 |
| 77. | 1.3% | Dallas Center-Grimes Community School District / 10,585 |
| 79. | 1.2% | West Hancock Community School District / 4,261 |
| 80. | 1.2% | Hampton-Dumont Community School District / 7,027 |
| 80. | 1.2% | Algona Community School District / 9,227 |
| 82. | 1.2% | A-H-S-T Community School District / 3,050 |
| 83. | 1.2% | Aplington-Parkersburg Community School District / 4,144 |
| 84. | 1.2% | Morning Sun Community School District / 1,475 |
| 85. | 1.2% | Wall Lake View Auburn Community School District / 5,840 |
| 86. | 1.1% | Marshalltown Community School District / 30,646 |
| 86. | 1.1% | West Delaware County Community School District / 9,416 |
| 88. | 1.1% | Murray Community School District / 1,430 |
| 88. | 1.1% | West Des Moines Community School District / 65,061 |
| 88. | 1.1% | Webster City Community School District / 9,969 |
| 91. | 1.1% | Iowa Falls Community School District / 6,886 |
| 91. | 1.1% | Stratford Community School District / 1,221 |
| 93. | 1.1% | Twin Cedars Community School District / 2,478 |
| 94. | 1.1% | Grinnell-Newburg Community School District / 12,522 |
| 95. | 1.1% | Pomeroy-Palmer Community School District / 1,575 |
| 96. | 1.1% | Lake Mills Community School District / 3,806 |
| 97. | 1.0% | Keota Community School District / 1,995 |
| 98. | 1.0% | Newton Community School District / 21,168 |
| 98. | 1.0% | Lamoni Community School District / 3,049 |
| 100. | 1.0% | Waterloo Community School District / 77,879 |
| 101. | 1.0% | Johnston Community School District / 30,545 |
| 102. | 1.0% | Albia Community School District / 7,346 |
| 103. | 1.0% | Forest City Community School District / 6,688 |
| 104. | 1.0% | Grundy Center Community School District / 3,870 |
| 105. | 1.0% | Guthrie Center Community School District / 2,813 |
| 106. | 1.0% | Ruthven-Ayrshire Community School District / 1,593 |
| 106. | 1.0% | Eldora-New Providence Community School District / 3,785 |
| 106. | 1.0% | Moulton-Udell Community School District / 1,576 |
| 109. | 0.9% | Creston Community School District / 9,577 |
| 109. | 0.9% | North Fayette Community School District / 6,092 |
| 111. | 0.9% | Moravia Community School District / 2,305 |
| 112. | 0.9% | West Central Community School District / 1,658 |
| 113. | 0.9% | Gilmore City-Bradgate Community School District / 1,015 |
| 114. | 0.9% | Vinton-Shellsburg Community School District / 10,549 |
| 115. | 0.9% | Le Mars Community School District / 13,292 |
| 115. | 0.9% | Montezuma Community School District / 3,465 |
| 115. | 0.9% | West Central Valley Community School District / 5,683 |
| 115. | 0.9% | Collins-Maxwell Community School District / 2,624 |
| 119. | 0.9% | Davenport Community School District / 106,768 |
| 120. | 0.8% | Springville Community School District / 2,421 |
| 120. | 0.8% | MFL MarMac Community School District / 5,639 |
| 122. | 0.8% | Boyer Valley Community School District / 2,817 |
| 122. | 0.8% | Union Community School District / 6,821 |
| 124. | 0.8% | Nashua-Plainfield Community School District / 4,098 |
| 124. | 0.8% | Knoxville Community School District / 11,527 |
| 126. | 0.8% | C and M Community School District / 3,263 |
| 126. | 0.8% | Riceville Community School District / 2,813 |
| 128. | 0.8% | Muscatine Community School District / 29,260 |
| 128. | 0.8% | River Valley Community School District / 2,720 |
| 128. | 0.8% | Charles City Community School District / 11,307 |
| 128. | 0.8% | Sioux Center Community School District / 8,978 |
| 128. | 0.8% | Mormon Trail Community School District / 1,729 |
| 133. | 0.7% | Bettendorf Community School District / 22,145 |
| 134. | 0.7% | Denver Community School District / 3,669 |
| 134. | 0.7% | Essex Community School District / 1,414 |
| 136. | 0.7% | Carroll Community School District / 14,182 |
| 137. | 0.7% | Mason City Community School District / 28,931 |
| 137. | 0.7% | Red Oak Community School District / 7,016 |
| 137. | 0.7% | Harmony Community School District / 2,668 |
| 137. | 0.7% | Durant Community School District / 3,289 |
| 141. | 0.7% | Prairie Valley Community School District / 4,045 |
| 141. | 0.7% | Waverly-Shell Rock Community School District / 13,637 |
| 143. | 0.7% | Turkey Valley Community School District / 3,049 |
| 144. | 0.7% | South Winneshiek Community School District / 4,437 |
| 144. | 0.7% | Maquoketa Community School District / 8,924 |
| 144. | 0.7% | Interstate 35 Community School District / 4,746 |
| 147. | 0.7% | Fort Dodge Community School District / 29,326 |
| 148. | 0.6% | East Union Community School District / 3,265 |
| 148. | 0.6% | Okoboji Community School District / 6,337 |
| 150. | 0.6% | Belmond-Klemme Community School District / 4,289 |
| 151. | 0.6% | Galva-Holstein Community School District / 2,763 |
| 152. | 0.6% | Garner-Hayfield Community School District / 3,825 |
| 153. | 0.6% | Linn-Mar Community School District / 36,660 |
| 154. | 0.6% | Spirit Lake Community School District / 8,262 |
| 155. | 0.6% | Corwith-Wesley Community School District / 1,055 |
| 156. | 0.6% | Martensdale-St. Marys Community School District / 2,649 |
| 157. | 0.5% | Riverside Community School District / 3,751 |
| 157. | 0.5% | Mid-Prairie Community School District / 8,815 |
| 157. | 0.5% | Charter Oak-Ute Community School District / 1,895 |
| 157. | 0.5% | North Central Community School District / 5,591 |
| 161. | 0.5% | North Tama County Community School District / 3,006 |
| 162. | 0.5% | Marcus-Meriden-Cleghorn Community School District / 2,750 |
| 162. | 0.5% | Williamsburg Community School District / 6,098 |
| 162. | 0.5% | Odebolt-Arthur Community School District / 2,237 |
| 162. | 0.5% | IKM Community School District / 4,746 |
| 166. | 0.5% | Alburnett Community School District / 3,789 |
| 167. | 0.5% | Edgewood-Colesburg Community School District / 2,993 |
| 167. | 0.5% | Danville Community School District / 2,580 |
| 167. | 0.5% | Villisca Community School District / 2,221 |
| 170. | 0.5% | Central Lee Community School District / 5,597 |
| 171. | 0.5% | Glidden-Ralston Community School District / 2,078 |
| 171. | 0.5% | Northeast Hamilton Community School District / 1,504 |
| 173. | 0.4% | Indianola Community School District / 19,809 |
| 173. | 0.4% | Newell-Fonda Community School District / 2,452 |
| 173. | 0.4% | Southeast Warren Community School District / 3,204 |
| 176. | 0.4% | College Community School District / 23,841 |
| 176. | 0.4% | Solon Community School District / 6,561 |
| 176. | 0.4% | Central Lyon Community School District / 4,211 |
| 179. | 0.4% | Burlington Community School District / 29,950 |
| 180. | 0.4% | Gladbrook-Reinbeck Community School District / 4,464 |
| 181. | 0.4% | Saydel Community School District / 7,968 |
| 182. | 0.4% | Emmetsburg Community School District / 5,062 |
| 182. | 0.4% | Central Community School District / 3,451 |
| 182. | 0.4% | Dows Community School District / 926 |
| 185. | 0.4% | Van Buren Community School District / 5,312 |
| 185. | 0.4% | Waukee Community School District / 36,979 |
| 187. | 0.3% | Graettinger Community School District / 2,211 |
| 187. | 0.3% | West Lyon Community School District / 4,649 |
| 187. | 0.3% | MOC-Floyd Valley Community School District / 11,292 |
| 187. | 0.3% | Corning Community School District / 2,877 |
| 191. | 0.3% | Midland Community School District / 3,628 |
| 191. | 0.3% | Logan-Magnolia Community School District / 3,094 |
| 191. | 0.3% | Paton-Churdan Community School District / 1,135 |
| 194. | 0.3% | Clayton Ridge Community School District / 4,952 |
| 194. | 0.3% | Pleasant Valley Community School District / 20,478 |
| 194. | 0.3% | Northwood-Kensett Community School District / 3,059 |
| 197. | 0.3% | Maquoketa Valley Community School District / 4,495 |
| 197. | 0.3% | Bellevue Community School District / 4,841 |
| 197. | 0.3% | Nevada Community School District / 8,187 |
| 197. | 0.3% | Battle Creek-Ida Grove Community School District / 3,919 |
| 201. | 0.3% | Waco Community School District / 3,213 |
| 201. | 0.3% | Howard-Winneshiek Community School District / 8,729 |
| 203. | 0.3% | Sioux Central Community School District / 2,831 |
| 203. | 0.3% | Audubon Community School District / 3,482 |
| 203. | 0.3% | Clarion-Goldfield Community School District / 4,898 |
| 206. | 0.3% | Olin Consolidated School District / 1,540 |
| 206. | 0.3% | Colfax-Mingo Community School District / 4,669 |
| 206. | 0.3% | Sheffield Chapin Meservey Thornton Community School District / 4,835 |
| 206. | 0.3% | Pocahontas Area Community School District / 3,545 |
| 210. | 0.3% | Benton Community School District / 9,021 |
| 210. | 0.3% | South Page Community School District / 1,448 |
| 210. | 0.3% | Mediapolis Community School District / 5,026 |
| 213. | 0.3% | Lewis Central Community School District / 15,042 |
| 213. | 0.3% | Boyden-Hull Community School District / 4,055 |
| 215. | 0.3% | Southeast Polk Community School District / 31,352 |
| 215. | 0.3% | Anthon-Oto Community School District / 1,741 |
| 217. | 0.2% | AGWSR Community School District / 4,803 |
| 217. | 0.2% | Decorah Community School District / 11,717 |
| 219. | 0.2% | Mount Ayr Community School District / 4,167 |
| 219. | 0.2% | Clear Creek-Amana Community School District / 11,260 |
| 219. | 0.2% | Sibley-Ocheyedan Community School District / 4,760 |
| 222. | 0.2% | Coon Rapids-Bayard Community School District / 2,810 |
| 223. | 0.2% | Pleasantville Community School District / 3,401 |
| 223. | 0.2% | Wapsie Valley Community School District / 3,925 |
| 225. | 0.2% | Oelwein Community School District / 9,113 |
| 226. | 0.2% | Bennett Community School District / 1,215 |
| 226. | 0.2% | South O'Brien Community School District / 4,843 |
| 226. | 0.2% | Postville Community School District / 3,748 |
| 229. | 0.2% | East Marshall Community School District / 3,657 |
| 230. | 0.2% | Allison-Bristow Community School District / 3,963 |
| 231. | 0.1% | Underwood Community School District / 3,784 |
| 231. | 0.1% | Bedford Community School District / 3,158 |
| 233. | 0.1% | Western Dubuque Community School District / 21,364 |
| 234. | 0.1% | Brooklyn-Guernsey-Malcom Community School District / 3,210 |
| 234. | 0.1% | South Tama County Community School District / 8,893 |
| 236. | 0.1% | H-L-V Community School District / 2,162 |
| 236. | 0.1% | West Marshall Community School District / 4,567 |
| 238. | 0.1% | North Scott Community School District / 15,310 |
| 239. | 0.1% | Pekin Community School District / 3,896 |
Please note that we only rank locations with '1 Room House Percentage' data. The rank above might not be a complete list. Locations without '1 Room 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.
