| Rank | 1 Room House Percentage ▼ | School District / Population |
| 1. | 4.2% | Whiting Community School District / 1,066 |
| 2. | 3.4% | Central Decatur Community School District / 4,049 |
| 3. | 2.9% | Van Meter Community School District / 3,099 |
| 4. | 2.8% | Moravia Community School District / 2,252 |
| 5. | 2.4% | Roland-Story Community School District / 5,773 |
| 5. | 2.4% | West Burlington Independent School District / 3,271 |
| 7. | 2.3% | Chariton Community School District / 7,691 |
| 8. | 2.2% | Walnut Community School District / 1,235 |
| 9. | 2.1% | Mount Vernon Community School District / 5,740 |
| 10. | 2.0% | Winterset Community School District / 8,965 |
| 11. | 2.0% | Clarke Community School District / 7,637 |
| 12. | 2.0% | Solon Community School District / 5,796 |
| 13. | 1.9% | Clinton Community School District / 26,148 |
| 14. | 1.9% | Iowa City Community School District / 102,262 |
| 15. | 1.8% | Fort Madison Community School District / 16,879 |
| 16. | 1.7% | English Valleys Community School District / 2,426 |
| 17. | 1.7% | Ames Community School District / 53,049 |
| 18. | 1.7% | Columbus Community School District / 4,341 |
| 19. | 1.7% | Fairfield Community School District / 14,061 |
| 20. | 1.6% | Garner-Hayfield Community School District / 3,894 |
| 21. | 1.6% | Seymour Community School District / 2,473 |
| 22. | 1.6% | Sac Community School District / 2,843 |
| 23. | 1.6% | Des Moines Independent Community School District / 197,619 |
| 24. | 1.6% | Clear Lake Community School District / 8,608 |
| 25. | 1.5% | Davis County Community School District / 8,346 |
| 26. | 1.5% | Boone Community School District / 14,151 |
| 27. | 1.5% | Alta Community School District / 3,032 |
| 27. | 1.5% | West Des Moines Community School District / 67,878 |
| 29. | 1.5% | Harlan Community School District / 9,088 |
| 30. | 1.5% | Cal Community School District / 1,803 |
| 31. | 1.4% | Alburnett Community School District / 2,943 |
| 32. | 1.4% | Clarinda Community School District / 6,556 |
| 33. | 1.4% | Cedar Rapids Community School District / 120,689 |
| 34. | 1.4% | Pella Community School District / 14,903 |
| 34. | 1.4% | Dubuque Community School District / 73,917 |
| 36. | 1.4% | Van Buren Community School District / 5,405 |
| 37. | 1.3% | Webster City Community School District / 9,686 |
| 37. | 1.3% | Charles City Community School District / 11,090 |
| 39. | 1.3% | Sioux City Community School District / 82,070 |
| 40. | 1.2% | Adel-De Soto-Minburn Community School District / 7,922 |
| 41. | 1.2% | Hampton-Dumont Community School District / 6,894 |
| 42. | 1.2% | Independence Community School District / 9,472 |
| 43. | 1.2% | Marshalltown Community School District / 29,263 |
| 43. | 1.2% | Sheldon Community School District / 6,790 |
| 43. | 1.2% | Central Lee Community School District / 5,634 |
| 46. | 1.2% | Wilton Community School District / 4,501 |
| 47. | 1.2% | Sioux Center Community School District / 8,490 |
| 47. | 1.2% | Anamosa Community School District / 9,203 |
| 49. | 1.1% | H-L-V Community School District / 1,884 |
| 50. | 1.1% | Lamoni Community School District / 2,994 |
| 51. | 1.1% | West Monona Community School District / 4,171 |
| 51. | 1.1% | Nashua-Plainfield Community School District / 3,868 |
| 53. | 1.1% | South Winneshiek Community School District / 4,439 |
| 54. | 1.1% | Cedar Falls Community School District / 38,929 |
| 55. | 1.0% | Council Bluffs Community School District / 58,251 |
| 56. | 1.0% | Woodbine Community School District / 2,691 |
| 57. | 1.0% | North Central Community School District / 3,208 |
| 58. | 1.0% | Missouri Valley Community School District / 5,102 |
| 59. | 1.0% | Carroll Community School District / 14,615 |
| 60. | 1.0% | North Tama County Community School District / 3,230 |
| 61. | 1.0% | Jesup Community School District / 4,557 |
| 62. | 0.9% | West Harrison Community School District / 2,860 |
| 62. | 0.9% | Denison Community School District / 9,590 |
| 64. | 0.9% | Waterloo Community School District / 76,129 |
| 65. | 0.9% | Mount Ayr Community School District / 4,189 |
| 66. | 0.9% | Hartley-Melvin-Sanborn Community School District / 4,465 |
| 67. | 0.9% | Olin Consolidated School District / 1,459 |
| 67. | 0.9% | Decorah Community School District / 11,580 |
| 69. | 0.9% | Red Oak Community School District / 7,185 |
| 70. | 0.9% | Lawton-Bronson Community School District / 3,378 |
| 70. | 0.9% | Keota Community School District / 1,915 |
| 72. | 0.8% | Ventura Community School District / 1,776 |
| 73. | 0.8% | Fort Dodge Community School District / 29,528 |
| 73. | 0.8% | Indianola Community School District / 18,698 |
| 75. | 0.8% | Davenport Community School District / 106,281 |
| 76. | 0.8% | Turkey Valley Community School District / 3,260 |
| 77. | 0.8% | Burlington Community School District / 29,176 |
| 78. | 0.8% | Camanche Community School District / 5,148 |
| 79. | 0.8% | Bettendorf Community School District / 22,144 |
| 79. | 0.8% | Keokuk Community School District / 12,987 |
| 79. | 0.8% | Stanton Community School District / 1,176 |
| 82. | 0.7% | Mason City Community School District / 28,767 |
| 82. | 0.7% | Starmont Community School District / 3,895 |
| 84. | 0.7% | North Fayette Community School District / 6,172 |
| 85. | 0.7% | Nodaway Valley Community School District / 4,216 |
| 85. | 0.7% | Atlantic Community School District / 8,479 |
| 87. | 0.7% | C and M Community School District / 1,277 |
| 87. | 0.7% | Shenandoah Community School District / 6,055 |
| 87. | 0.7% | Riverside Community School District / 3,821 |
| 90. | 0.7% | Southeast Warren Community School District / 3,105 |
| 91. | 0.7% | Ottumwa Community School District / 28,330 |
| 92. | 0.6% | North Linn Community School District / 3,180 |
| 93. | 0.6% | Louisa-Muscatine Community School District / 4,322 |
| 93. | 0.6% | East Union Community School District / 3,215 |
| 95. | 0.6% | Lewis Central Community School District / 14,266 |
| 95. | 0.6% | Rockwell City-Lytton Community School District / 3,351 |
| 97. | 0.6% | Southern Cal Community School District / 3,204 |
| 97. | 0.6% | St. Ansgar Community School District / 4,087 |
| 97. | 0.6% | Wall Lake View Auburn Community School District / 3,245 |
| 100. | 0.6% | Clayton Ridge Community School District / 4,773 |
| 100. | 0.6% | Edgewood-Colesburg Community School District / 2,990 |
| 102. | 0.6% | Center Point-Urbana Community School District / 5,736 |
| 102. | 0.6% | Newell-Fonda Community School District / 2,434 |
| 104. | 0.6% | Johnston Community School District / 28,305 |
| 104. | 0.6% | Rudd-Rockford-Marble Rock Community School District / 2,923 |
| 106. | 0.6% | Knoxville Community School District / 10,886 |
| 106. | 0.6% | Mid-Prairie Community School District / 9,395 |
| 108. | 0.6% | Central Clinton Community School District / 9,467 |
| 109. | 0.6% | Marion Independent School District / 12,018 |
| 110. | 0.5% | Harmony Community School District / 2,619 |
| 110. | 0.5% | Mount Pleasant Community School District / 12,841 |
| 112. | 0.5% | Southeast Polk Community School District / 29,537 |
| 113. | 0.5% | Saydel Community School District / 7,682 |
| 113. | 0.5% | AGWSR Community School District / 4,839 |
| 113. | 0.5% | Denver Community School District / 3,624 |
| 116. | 0.5% | Mormon Trail Community School District / 1,885 |
| 116. | 0.5% | Urbandale Community School District / 22,991 |
| 118. | 0.5% | Moulton-Udell Community School District / 1,738 |
| 118. | 0.5% | Aplington-Parkersburg Community School District / 4,150 |
| 118. | 0.5% | Wayne Community School District / 3,393 |
| 121. | 0.5% | Villisca Community School District / 2,369 |
| 122. | 0.5% | Allison-Bristow Community School District / 1,839 |
| 123. | 0.5% | Washington Community School District / 10,041 |
| 124. | 0.5% | Maquoketa Valley Community School District / 4,718 |
| 124. | 0.5% | Algona Community School District / 9,310 |
| 126. | 0.4% | Panorama Community School District / 4,900 |
| 126. | 0.4% | Tripoli Community School District / 2,583 |
| 126. | 0.4% | PCM Community School District / 5,095 |
| 129. | 0.4% | Newton Community School District / 21,200 |
| 130. | 0.4% | Interstate 35 Community School District / 4,398 |
| 130. | 0.4% | Northeast Hamilton Community School District / 1,525 |
| 132. | 0.4% | Pekin Community School District / 3,832 |
| 132. | 0.4% | West Hancock Community School District / 3,878 |
| 132. | 0.4% | Montezuma Community School District / 3,220 |
| 132. | 0.4% | South Clay Community School District / 1,060 |
| 136. | 0.4% | Spirit Lake Community School District / 8,264 |
| 137. | 0.4% | IKM Community School District / 2,562 |
| 138. | 0.4% | Corwith-Wesley Community School District / 1,124 |
| 138. | 0.4% | Corning Community School District / 3,062 |
| 138. | 0.4% | Centerville Community School District / 8,933 |
| 141. | 0.4% | MOC-Floyd Valley Community School District / 10,409 |
| 141. | 0.4% | Muscatine Community School District / 28,688 |
| 143. | 0.3% | Pomeroy-Palmer Community School District / 1,412 |
| 144. | 0.3% | Okoboji Community School District / 6,201 |
| 145. | 0.3% | Woodbury Central Community School District / 3,170 |
| 145. | 0.3% | Clear Creek-Amana Community School District / 10,235 |
| 147. | 0.3% | Oskaloosa Community School District / 15,548 |
| 147. | 0.3% | Colfax-Mingo Community School District / 4,971 |
| 149. | 0.3% | Gladbrook-Reinbeck Community School District / 4,523 |
| 149. | 0.3% | Manning Community School District / 2,202 |
| 151. | 0.3% | Boyden-Hull Community School District / 4,032 |
| 152. | 0.3% | Calamus-Wheatland Community School District / 2,658 |
| 152. | 0.3% | Anthon-Oto Community School District / 1,606 |
| 152. | 0.3% | Northwood-Kensett Community School District / 3,023 |
| 155. | 0.2% | Albia Community School District / 6,897 |
| 155. | 0.2% | Valley Community School District / 2,857 |
| 155. | 0.2% | Waco Community School District / 2,830 |
| 158. | 0.2% | South O'Brien Community School District / 4,600 |
| 158. | 0.2% | South Page Community School District / 1,616 |
| 158. | 0.2% | Bellevue Community School District / 4,741 |
| 158. | 0.2% | Ankeny Community School District / 43,435 |
| 158. | 0.2% | Maquoketa Community School District / 8,945 |
| 163. | 0.2% | Bedford Community School District / 2,966 |
| 163. | 0.2% | Williamsburg Community School District / 5,716 |
| 163. | 0.2% | Jefferson-Scranton Community School District / 6,286 |
| 166. | 0.2% | Martensdale-St. Marys Community School District / 2,693 |
| 167. | 0.2% | Spencer Community School District / 12,007 |
| 167. | 0.2% | New Market Community School District / 1,148 |
| 167. | 0.2% | East Marshall Community School District / 3,755 |
| 167. | 0.2% | Le Mars Community School District / 12,579 |
| 171. | 0.2% | Midland Community School District / 3,726 |
| 172. | 0.1% | Central Community School District / 3,470 |
| 173. | 0.1% | Linn-Mar Community School District / 33,580 |
| 174. | 0.1% | Prairie Valley Community School District / 3,973 |
| 175. | 0.1% | Allamakee Community School District / 8,966 |
| 176. | 0.1% | Griswold Community School District / 3,379 |
| 177. | 0.1% | Benton Community School District / 9,113 |
| 178. | 0.0% | Western Dubuque Community School District / 21,246 |
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.
