| Rank | 1 Room House Percentage ▼ | School District / Population |
| 1. | 3.9% | Whiting Community School District / 1,028 |
| 2. | 3.1% | Central Decatur Community School District / 4,493 |
| 3. | 2.8% | Woodbine Community School District / 2,528 |
| 4. | 2.8% | Van Meter Community School District / 3,048 |
| 5. | 2.7% | Walnut Community School District / 1,288 |
| 6. | 2.5% | Roland-Story Community School District / 5,945 |
| 7. | 2.4% | West Monona Community School District / 4,504 |
| 8. | 2.4% | Dubuque Community School District / 74,935 |
| 9. | 2.3% | Cedar Falls Community School District / 39,480 |
| 10. | 2.2% | West Burlington Independent School District / 2,880 |
| 11. | 2.2% | Chariton Community School District / 7,666 |
| 12. | 2.1% | Boone Community School District / 14,492 |
| 13. | 2.1% | Calamus-Wheatland Community School District / 2,484 |
| 14. | 2.1% | Clinton Community School District / 26,447 |
| 15. | 2.1% | Mount Vernon Community School District / 5,905 |
| 16. | 2.0% | Sheldon Community School District / 6,897 |
| 17. | 1.9% | Harlan Community School District / 9,042 |
| 18. | 1.9% | Independence Community School District / 9,560 |
| 19. | 1.9% | Fort Madison Community School District / 17,198 |
| 20. | 1.8% | Ames Community School District / 55,030 |
| 21. | 1.8% | Delwood Community School District / 1,269 |
| 21. | 1.8% | Denison Community School District / 10,321 |
| 23. | 1.8% | Clarinda Community School District / 6,692 |
| 24. | 1.8% | Davis County Community School District / 8,468 |
| 24. | 1.8% | Iowa City Community School District / 103,013 |
| 26. | 1.7% | Lawton-Bronson Community School District / 3,246 |
| 27. | 1.7% | Garner-Hayfield Community School District / 3,973 |
| 27. | 1.7% | Des Moines Independent Community School District / 202,816 |
| 29. | 1.7% | Sac Community School District / 2,754 |
| 30. | 1.7% | Sioux Center Community School District / 8,910 |
| 31. | 1.7% | Winterset Community School District / 8,960 |
| 32. | 1.7% | Cedar Rapids Community School District / 119,132 |
| 33. | 1.6% | New London Community School District / 2,964 |
| 34. | 1.6% | Alburnett Community School District / 3,463 |
| 34. | 1.6% | Clarke Community School District / 7,975 |
| 36. | 1.6% | English Valleys Community School District / 2,946 |
| 37. | 1.5% | West Des Moines Community School District / 62,978 |
| 38. | 1.5% | Clear Lake Community School District / 8,681 |
| 39. | 1.5% | Allamakee Community School District / 9,033 |
| 40. | 1.5% | Alta Community School District / 2,899 |
| 41. | 1.5% | Sioux City Community School District / 82,522 |
| 42. | 1.5% | Missouri Valley Community School District / 5,091 |
| 43. | 1.4% | Seymour Community School District / 2,521 |
| 43. | 1.4% | Fairfield Community School District / 15,124 |
| 45. | 1.4% | Cal Community School District / 1,724 |
| 46. | 1.4% | Webster City Community School District / 10,032 |
| 47. | 1.4% | Red Oak Community School District / 7,243 |
| 48. | 1.4% | Nodaway Valley Community School District / 4,425 |
| 49. | 1.4% | Dallas Center-Grimes Community School District / 9,890 |
| 50. | 1.3% | Anamosa Community School District / 9,405 |
| 51. | 1.3% | Charles City Community School District / 11,277 |
| 51. | 1.3% | Ventura Community School District / 1,736 |
| 53. | 1.3% | Pella Community School District / 15,598 |
| 54. | 1.3% | West Sioux Community School District / 4,455 |
| 55. | 1.2% | North Winneshiek Community School District / 1,943 |
| 56. | 1.2% | Wilton Community School District / 4,321 |
| 57. | 1.2% | Atlantic Community School District / 8,550 |
| 57. | 1.2% | Council Bluffs Community School District / 59,123 |
| 59. | 1.2% | Lamoni Community School District / 2,835 |
| 60. | 1.2% | A-H-S-T Community School District / 3,613 |
| 60. | 1.2% | Van Buren Community School District / 5,222 |
| 62. | 1.1% | Hampton-Dumont Community School District / 7,055 |
| 63. | 1.1% | MFL MarMac Community School District / 5,721 |
| 63. | 1.1% | Mount Ayr Community School District / 4,309 |
| 65. | 1.1% | Moravia Community School District / 2,177 |
| 66. | 1.1% | Wall Lake View Auburn Community School District / 3,367 |
| 67. | 1.1% | Ottumwa Community School District / 28,801 |
| 68. | 1.1% | North Fayette Community School District / 6,143 |
| 69. | 1.1% | Jesup Community School District / 4,684 |
| 70. | 1.0% | Hartley-Melvin-Sanborn Community School District / 4,443 |
| 70. | 1.0% | Marion Independent School District / 11,774 |
| 72. | 1.0% | Collins-Maxwell Community School District / 2,745 |
| 73. | 1.0% | Columbus Community School District / 4,394 |
| 74. | 1.0% | PCM Community School District / 4,875 |
| 75. | 1.0% | Keota Community School District / 2,175 |
| 75. | 1.0% | Central Lee Community School District / 5,247 |
| 77. | 1.0% | West Central Community School District / 1,835 |
| 78. | 1.0% | Adel-De Soto-Minburn Community School District / 7,457 |
| 78. | 1.0% | Burlington Community School District / 29,454 |
| 78. | 1.0% | South Winneshiek Community School District / 4,441 |
| 81. | 1.0% | Starmont Community School District / 3,988 |
| 81. | 1.0% | Creston Community School District / 9,311 |
| 81. | 1.0% | Shenandoah Community School District / 6,227 |
| 81. | 1.0% | Knoxville Community School District / 11,532 |
| 85. | 0.9% | Twin Cedars Community School District / 2,445 |
| 85. | 0.9% | Waterloo Community School District / 77,311 |
| 87. | 0.9% | West Delaware County Community School District / 9,382 |
| 88. | 0.9% | Indianola Community School District / 19,148 |
| 89. | 0.9% | West Harrison Community School District / 2,989 |
| 90. | 0.9% | Rockwell City-Lytton Community School District / 3,489 |
| 91. | 0.9% | Johnston Community School District / 28,700 |
| 91. | 0.9% | Fort Dodge Community School District / 30,009 |
| 93. | 0.8% | Keokuk Community School District / 13,261 |
| 93. | 0.8% | C and M Community School District / 1,329 |
| 95. | 0.8% | Denver Community School District / 3,803 |
| 96. | 0.8% | Nora Springs-Rock Falls Community School District / 2,515 |
| 97. | 0.8% | IKM Community School District / 2,495 |
| 97. | 0.8% | Murray Community School District / 1,482 |
| 97. | 0.8% | Mount Pleasant Community School District / 12,837 |
| 97. | 0.8% | Davenport Community School District / 105,189 |
| 101. | 0.8% | Urbandale Community School District / 20,814 |
| 101. | 0.8% | Carroll Community School District / 14,260 |
| 103. | 0.7% | Panorama Community School District / 4,858 |
| 103. | 0.7% | Washington Community School District / 10,011 |
| 105. | 0.7% | North Linn Community School District / 3,579 |
| 105. | 0.7% | Albia Community School District / 7,362 |
| 107. | 0.7% | St. Ansgar Community School District / 4,081 |
| 107. | 0.7% | Olin Consolidated School District / 1,443 |
| 109. | 0.7% | Lewis Central Community School District / 14,945 |
| 110. | 0.7% | Turkey Valley Community School District / 3,003 |
| 110. | 0.7% | Nashua-Plainfield Community School District / 4,026 |
| 112. | 0.7% | River Valley Community School District / 2,759 |
| 112. | 0.7% | Vinton-Shellsburg Community School District / 10,546 |
| 114. | 0.7% | Center Point-Urbana Community School District / 5,870 |
| 115. | 0.6% | Oskaloosa Community School District / 15,690 |
| 116. | 0.6% | North Tama County Community School District / 2,963 |
| 117. | 0.6% | Cherokee Community School District / 6,347 |
| 117. | 0.6% | East Union Community School District / 3,300 |
| 117. | 0.6% | Harmony Community School District / 2,704 |
| 120. | 0.6% | Stanton Community School District / 1,119 |
| 121. | 0.6% | Bettendorf Community School District / 21,648 |
| 121. | 0.6% | Rudd-Rockford-Marble Rock Community School District / 3,104 |
| 123. | 0.6% | Riverside Community School District / 3,769 |
| 123. | 0.6% | Louisa-Muscatine Community School District / 4,644 |
| 125. | 0.6% | Riceville Community School District / 2,749 |
| 125. | 0.6% | Marshalltown Community School District / 30,335 |
| 125. | 0.6% | Mid-Prairie Community School District / 9,399 |
| 125. | 0.6% | Central Clinton Community School District / 9,472 |
| 129. | 0.5% | Tripoli Community School District / 2,649 |
| 129. | 0.5% | Moulton-Udell Community School District / 1,648 |
| 129. | 0.5% | Wayne Community School District / 3,282 |
| 129. | 0.5% | Newell-Fonda Community School District / 2,341 |
| 133. | 0.5% | Southeast Warren Community School District / 3,043 |
| 133. | 0.5% | Newton Community School District / 21,120 |
| 133. | 0.5% | Camanche Community School District / 5,419 |
| 136. | 0.5% | Villisca Community School District / 2,446 |
| 136. | 0.5% | Saydel Community School District / 8,356 |
| 138. | 0.5% | Edgewood-Colesburg Community School District / 2,945 |
| 138. | 0.5% | Interstate 35 Community School District / 4,574 |
| 138. | 0.5% | Pomeroy-Palmer Community School District / 1,376 |
| 141. | 0.5% | Aplington-Parkersburg Community School District / 4,162 |
| 142. | 0.5% | Mason City Community School District / 29,225 |
| 142. | 0.5% | Algona Community School District / 9,393 |
| 144. | 0.4% | Cardinal Community School District / 4,743 |
| 145. | 0.4% | Montezuma Community School District / 3,616 |
| 146. | 0.4% | Centerville Community School District / 9,042 |
| 146. | 0.4% | Corning Community School District / 3,140 |
| 146. | 0.4% | Southeast Polk Community School District / 30,372 |
| 149. | 0.4% | AGWSR Community School District / 4,360 |
| 149. | 0.4% | Corwith-Wesley Community School District / 1,119 |
| 151. | 0.4% | Durant Community School District / 3,280 |
| 151. | 0.4% | South Page Community School District / 1,572 |
| 151. | 0.4% | Central Community School District / 3,730 |
| 151. | 0.4% | Spirit Lake Community School District / 8,148 |
| 155. | 0.4% | MOC-Floyd Valley Community School District / 10,720 |
| 156. | 0.4% | Woodbury Central Community School District / 2,836 |
| 156. | 0.4% | West Hancock Community School District / 3,991 |
| 158. | 0.3% | Mormon Trail Community School District / 1,721 |
| 159. | 0.3% | Valley Community School District / 2,722 |
| 159. | 0.3% | Forest City Community School District / 6,622 |
| 161. | 0.3% | Greene Community School District / 2,165 |
| 162. | 0.3% | Clear Creek-Amana Community School District / 11,173 |
| 162. | 0.3% | Colfax-Mingo Community School District / 5,134 |
| 164. | 0.3% | Odebolt-Arthur Community School District / 2,236 |
| 164. | 0.3% | Nevada Community School District / 8,165 |
| 166. | 0.3% | Solon Community School District / 5,884 |
| 166. | 0.3% | Northeast Hamilton Community School District / 1,557 |
| 168. | 0.3% | Waukee Community School District / 32,882 |
| 168. | 0.3% | Bellevue Community School District / 4,643 |
| 168. | 0.3% | Boyden-Hull Community School District / 4,106 |
| 171. | 0.3% | Manning Community School District / 2,414 |
| 171. | 0.3% | Maquoketa Valley Community School District / 4,516 |
| 171. | 0.3% | Maquoketa Community School District / 9,196 |
| 171. | 0.3% | Anthon-Oto Community School District / 1,588 |
| 171. | 0.3% | Gladbrook-Reinbeck Community School District / 4,780 |
| 176. | 0.3% | Lake Mills Community School District / 4,087 |
| 176. | 0.3% | Central Lyon Community School District / 4,250 |
| 178. | 0.2% | Waco Community School District / 2,958 |
| 178. | 0.2% | Hamburg Community School District / 1,686 |
| 180. | 0.2% | Jefferson-Scranton Community School District / 6,408 |
| 180. | 0.2% | Coon Rapids-Bayard Community School District / 2,508 |
| 182. | 0.2% | North Central Community School District / 3,176 |
| 182. | 0.2% | Spencer Community School District / 12,119 |
| 184. | 0.2% | Northwood-Kensett Community School District / 3,109 |
| 185. | 0.2% | West Central Valley Community School District / 5,772 |
| 185. | 0.2% | Le Mars Community School District / 13,057 |
| 185. | 0.2% | Martensdale-St. Marys Community School District / 2,672 |
| 188. | 0.2% | New Market Community School District / 1,146 |
| 188. | 0.2% | Western Dubuque Community School District / 21,123 |
| 188. | 0.2% | East Marshall Community School District / 3,787 |
| 191. | 0.2% | Williamsburg Community School District / 6,177 |
| 191. | 0.2% | Brooklyn-Guernsey-Malcom Community School District / 3,273 |
| 191. | 0.2% | Ankeny Community School District / 46,304 |
| 194. | 0.1% | Benton Community School District / 9,232 |
| 194. | 0.1% | Clayton Ridge Community School District / 4,896 |
| 196. | 0.1% | South O'Brien Community School District / 4,872 |
| 196. | 0.1% | Griswold Community School District / 3,529 |
| 198. | 0.1% | Prairie Valley Community School District / 3,719 |
| 198. | 0.1% | Linn-Mar Community School District / 34,836 |
| 198. | 0.1% | Midland Community School District / 3,911 |
| 201. | 0.1% | Okoboji Community School District / 6,263 |
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.
