| Rank | Attached One Unit House Percentage ▼ | School District / Population |
| 1. | 12.7% | Queets-Clearwater School District / 841 |
| 2. | 11.5% | Medical Lake School District / 12,346 |
| 3. | 9.7% | Dieringer School District / 12,374 |
| 4. | 9.2% | Clover Park School District / 82,672 |
| 5. | 7.6% | University Place School District / 27,928 |
| 6. | 7.3% | Steilacoom Historical School District / 18,884 |
| 6. | 7.3% | Issaquah School District / 91,043 |
| 8. | 7.3% | Mukilteo School District / 87,591 |
| 9. | 7.1% | Ridgefield School District / 12,947 |
| 10. | 6.6% | Vancouver Public Schools / 142,905 |
| 11. | 6.4% | Moses Lake School District / 39,730 |
| 12. | 6.2% | Lake Washington School District / 168,935 |
| 13. | 5.5% | Lakewood School District / 13,395 |
| 14. | 5.1% | Richland School District / 59,223 |
| 15. | 5.0% | Bremerton School District / 42,881 |
| 16. | 4.9% | Yakima School District / 72,275 |
| 17. | 4.8% | Puyallup School District / 111,173 |
| 18. | 4.8% | Renton School District / 106,434 |
| 19. | 4.7% | North Thurston Public Schools / 88,179 |
| 20. | 4.7% | Evergreen School District (Clark) / 137,796 |
| 21. | 4.6% | Lake Stevens School District / 33,414 |
| 22. | 4.6% | Franklin Pierce School District / 50,721 |
| 23. | 4.6% | Bellevue School District / 123,233 |
| 24. | 4.5% | Oak Harbor School District / 40,806 |
| 25. | 4.5% | Fife Public Schools / 18,071 |
| 26. | 4.5% | Edmonds School District / 151,150 |
| 27. | 4.4% | Central Valley School District / 72,736 |
| 28. | 4.4% | Wishkah Valley School District / 836 |
| 29. | 4.4% | Sequim School District / 27,722 |
| 30. | 4.4% | West Valley School District / 26,857 |
| 31. | 4.3% | Central Kitsap School District / 64,517 |
| 32. | 4.3% | Camas School District / 26,281 |
| 33. | 4.3% | Kent School District / 149,531 |
| 34. | 4.3% | Peninsula School District / 54,059 |
| 35. | 4.2% | Auburn School District / 69,423 |
| 36. | 4.2% | Everett School District / 120,218 |
| 37. | 4.1% | Quilcene School District / 1,808 |
| 38. | 4.0% | North River School District / 348 |
| 39. | 4.0% | Colton School District / 949 |
| 40. | 4.0% | Shoreline School District / 64,783 |
| 41. | 3.8% | Pullman School District / 28,738 |
| 42. | 3.8% | Olympia School District / 60,205 |
| 43. | 3.7% | Finley School District / 4,560 |
| 43. | 3.7% | Port Townsend School District / 13,822 |
| 45. | 3.7% | Tumwater School District / 35,007 |
| 46. | 3.7% | Cheney School District / 30,663 |
| 47. | 3.7% | Bainbridge Island School District / 21,923 |
| 48. | 3.6% | West Valley School District / 15,986 |
| 49. | 3.6% | Federal Way School District / 125,274 |
| 50. | 3.6% | Inchelium School District / 1,249 |
| 51. | 3.5% | Seattle School District / 594,742 |
| 52. | 3.5% | Lynden School District / 17,092 |
| 52. | 3.5% | Mount Vernon School District / 35,549 |
| 54. | 3.4% | Monroe School District / 38,226 |
| 54. | 3.4% | Shelton School District / 23,469 |
| 56. | 3.3% | Northshore School District / 117,545 |
| 57. | 3.2% | Anacortes School District / 20,949 |
| 58. | 3.2% | Tahoma School District / 37,996 |
| 59. | 3.1% | Boistfort School District / 1,010 |
| 60. | 3.1% | Highland School District / 5,794 |
| 61. | 3.0% | La Conner School District / 4,399 |
| 61. | 3.0% | Eastmont School District / 28,012 |
| 63. | 3.0% | Riverview School District / 17,521 |
| 64. | 3.0% | Centralia School District / 22,697 |
| 65. | 3.0% | Bellingham School District / 99,469 |
| 66. | 3.0% | Elma School District / 9,726 |
| 66. | 3.0% | College Place School District / 12,997 |
| 68. | 2.9% | Pasco School District / 61,209 |
| 68. | 2.9% | Spokane Public Schools / 214,396 |
| 70. | 2.9% | Clarkston School District / 18,734 |
| 71. | 2.7% | Rochester School District / 12,733 |
| 72. | 2.7% | Wenatchee School District / 40,702 |
| 73. | 2.7% | Meridian School District / 8,639 |
| 74. | 2.6% | Ferndale School District / 29,518 |
| 75. | 2.6% | Bethel School District / 100,964 |
| 76. | 2.6% | Hockinson School District / 7,882 |
| 77. | 2.6% | Union Gap School District / 3,170 |
| 78. | 2.5% | Marysville School District / 64,669 |
| 79. | 2.5% | Tacoma Public Schools / 206,232 |
| 80. | 2.5% | Lake Quinault School District / 964 |
| 81. | 2.5% | Lake Chelan School District / 7,500 |
| 82. | 2.5% | Ephrata School District / 10,901 |
| 83. | 2.5% | Arlington School District / 28,726 |
| 83. | 2.5% | Kennewick School District / 76,586 |
| 83. | 2.5% | Cosmopolis School District / 1,673 |
| 86. | 2.4% | Kelso School District / 28,291 |
| 87. | 2.4% | Ellensburg School District / 25,246 |
| 88. | 2.4% | Toppenish School District / 14,708 |
| 89. | 2.4% | Highline School District / 119,366 |
| 90. | 2.3% | Rainier School District / 4,968 |
| 90. | 2.3% | Cascade School District / 9,492 |
| 92. | 2.3% | Washougal School District / 18,306 |
| 93. | 2.3% | Sprague School District / 699 |
| 94. | 2.3% | Tenino School District / 9,536 |
| 95. | 2.3% | Selah School District / 18,033 |
| 95. | 2.3% | Zillah School District / 4,671 |
| 97. | 2.2% | Wahluke School District / 6,035 |
| 98. | 2.2% | Ritzville School District / 2,452 |
| 99. | 2.2% | Wellpinit School District / 1,065 |
| 100. | 2.2% | Snohomish School District / 51,492 |
| 101. | 2.1% | Aberdeen School District / 19,679 |
| 102. | 2.1% | Oakville School District / 2,142 |
| 103. | 2.1% | Orondo School District / 1,251 |
| 103. | 2.1% | Mercer Island School District / 23,791 |
| 105. | 2.0% | Mead School District / 49,352 |
| 106. | 2.0% | Orting School District / 13,377 |
| 107. | 2.0% | Montesano School District / 7,879 |
| 107. | 2.0% | Great Northern School District / 870 |
| 109. | 2.0% | Wapato School District / 13,700 |
| 109. | 2.0% | Quincy School District / 11,321 |
| 111. | 1.9% | North Kitsap School District / 43,472 |
| 112. | 1.9% | Othello School District / 13,135 |
| 113. | 1.8% | Chewelah School District / 5,134 |
| 114. | 1.8% | East Valley School District (Yakima) / 16,427 |
| 114. | 1.8% | Tukwila School District / 15,775 |
| 116. | 1.8% | Chimacum School District / 11,253 |
| 116. | 1.8% | Walla Walla School District / 36,160 |
| 118. | 1.8% | Dixie School District / 463 |
| 118. | 1.8% | Burlington-Edison School District / 20,655 |
| 120. | 1.8% | East Valley School District (Spokane) / 26,014 |
| 121. | 1.7% | Manson School District / 3,341 |
| 122. | 1.7% | Sedro-Woolley School District / 26,621 |
| 123. | 1.7% | Sumner School District / 40,868 |
| 123. | 1.7% | Palouse School District / 1,308 |
| 125. | 1.6% | Yelm Community Schools / 27,640 |
| 126. | 1.6% | Quillayute Valley School District / 6,408 |
| 127. | 1.6% | Blaine School District / 15,588 |
| 127. | 1.6% | Longview Public Schools / 44,303 |
| 129. | 1.6% | Battle Ground School District / 61,663 |
| 130. | 1.6% | Snoqualmie Valley School District / 33,447 |
| 131. | 1.5% | Index School District / 510 |
| 132. | 1.5% | Palisades School District / 364 |
| 133. | 1.5% | Cape Flattery School District / 3,496 |
| 134. | 1.5% | Hoquiam School District / 11,494 |
| 135. | 1.5% | Onion Creek School District / 310 |
| 136. | 1.4% | Garfield School District / 692 |
| 137. | 1.4% | Mill A School District / 649 |
| 138. | 1.4% | Tonasket School District / 6,639 |
| 139. | 1.3% | Cusick School District / 2,431 |
| 140. | 1.3% | Conway School District / 2,932 |
| 141. | 1.3% | Waterville School District / 1,588 |
| 142. | 1.3% | Prosser School District / 12,250 |
| 142. | 1.3% | Rosalia School District / 1,081 |
| 144. | 1.3% | North Mason School District / 12,293 |
| 145. | 1.3% | Asotin-Anatone School District / 2,518 |
| 145. | 1.3% | Chehalis School District / 14,749 |
| 147. | 1.2% | Enumclaw School District / 26,162 |
| 147. | 1.2% | Kalama School District / 5,055 |
| 149. | 1.2% | Port Angeles School District / 30,283 |
| 150. | 1.2% | Darrington School District / 2,710 |
| 150. | 1.2% | Mount Pleasant School District / 401 |
| 150. | 1.2% | Lind School District / 1,267 |
| 153. | 1.2% | Carbonado School District / 913 |
| 154. | 1.2% | South Whidbey School District / 15,072 |
| 154. | 1.2% | Mount Adams School District / 4,640 |
| 156. | 1.2% | Warden School District / 3,659 |
| 157. | 1.2% | Naches Valley School District / 7,929 |
| 157. | 1.2% | Taholah School District / 914 |
| 159. | 1.2% | Ocean Beach School District / 9,706 |
| 160. | 1.1% | White Pass School District / 3,599 |
| 160. | 1.1% | Selkirk School District / 2,283 |
| 162. | 1.1% | Stevenson-Carson School District / 6,225 |
| 162. | 1.1% | Nooksack Valley School District / 8,918 |
| 164. | 1.1% | Odessa School District / 1,675 |
| 165. | 1.1% | Okanogan School District / 5,553 |
| 166. | 1.1% | South Kitsap School District / 65,662 |
| 166. | 1.1% | Orcas Island School District / 4,622 |
| 168. | 1.0% | Royal School District / 5,451 |
| 168. | 1.0% | Lopez School District / 2,442 |
| 170. | 1.0% | Klickitat School District / 557 |
| 171. | 1.0% | Tekoa School District / 1,283 |
| 172. | 1.0% | Orchard Prairie School District / 778 |
| 173. | 1.0% | Coupeville School District / 9,217 |
| 174. | 1.0% | Davenport School District / 2,972 |
| 175. | 1.0% | Reardan-Edwall School District / 4,014 |
| 176. | 1.0% | Vashon Island School District / 10,425 |
| 177. | 0.9% | McCleary School District / 2,083 |
| 178. | 0.9% | Lamont School District / 219 |
| 179. | 0.9% | Sunnyside School District / 22,676 |
| 180. | 0.9% | San Juan Island School District / 7,920 |
| 181. | 0.9% | Sultan School District / 13,652 |
| 181. | 0.9% | Cashmere School District / 7,574 |
| 183. | 0.9% | Colfax School District / 4,163 |
| 184. | 0.8% | Stanwood-Camano School District / 31,405 |
| 184. | 0.8% | Colville School District / 11,924 |
| 186. | 0.8% | Harrington School District / 715 |
| 186. | 0.8% | Naselle-Grays River Valley School District / 2,412 |
| 188. | 0.8% | Adna School District / 3,853 |
| 188. | 0.8% | North Beach School District / 6,566 |
| 188. | 0.8% | Wahkiakum School District / 3,106 |
| 191. | 0.8% | South Bend School District / 2,838 |
| 192. | 0.7% | St. John School District / 1,085 |
| 193. | 0.7% | Columbia School District / 3,776 |
| 194. | 0.7% | Brewster School District / 4,365 |
| 195. | 0.7% | Mossyrock School District / 3,514 |
| 195. | 0.7% | White River School District / 24,836 |
| 197. | 0.7% | Soap Lake School District / 2,688 |
| 197. | 0.7% | Deer Park School District / 10,905 |
| 199. | 0.7% | Kettle Falls School District / 5,048 |
| 200. | 0.7% | Griffin School District / 4,984 |
| 201. | 0.6% | Granite Falls School District / 11,531 |
| 202. | 0.6% | Freeman School District / 3,933 |
| 203. | 0.6% | Morton School District / 2,855 |
| 204. | 0.5% | Concrete School District / 4,995 |
| 204. | 0.5% | Liberty School District / 4,253 |
| 204. | 0.5% | Columbia School District / 1,090 |
| 207. | 0.5% | Eatonville School District / 10,797 |
| 207. | 0.5% | Omak School District / 10,520 |
| 209. | 0.5% | Southside School District / 2,069 |
| 209. | 0.5% | Pioneer School District / 9,648 |
| 211. | 0.5% | Pomeroy School District / 2,075 |
| 212. | 0.5% | Ocosta School District / 7,948 |
| 213. | 0.5% | Skamania School District / 1,307 |
| 213. | 0.5% | Castle Rock School District / 9,705 |
| 215. | 0.5% | Bickleton School District / 452 |
| 216. | 0.4% | Pe Ell School District / 1,440 |
| 217. | 0.4% | Winlock School District / 4,370 |
| 218. | 0.4% | Toledo School District / 4,004 |
| 219. | 0.4% | Mount Baker School District / 13,534 |
| 219. | 0.4% | Hood Canal School District / 4,510 |
| 221. | 0.4% | Pateros School District / 1,429 |
| 221. | 0.4% | Republic School District / 3,358 |
| 221. | 0.4% | Woodland School District / 11,257 |
| 221. | 0.4% | Riverside School District / 11,420 |
| 221. | 0.4% | Crescent School District / 2,662 |
| 226. | 0.4% | White Salmon Valley School District / 6,096 |
| 226. | 0.4% | Cle Elum-Roslyn School District / 6,643 |
| 228. | 0.4% | Kiona-Benton School District / 7,969 |
| 229. | 0.3% | Nine Mile Falls School District / 8,097 |
| 229. | 0.3% | Grand Coulee Dam School District / 4,565 |
| 229. | 0.3% | Brinnon School District / 1,136 |
| 232. | 0.3% | North Franklin School District / 7,699 |
| 233. | 0.3% | Dayton School District / 3,694 |
| 233. | 0.3% | Methow Valley School District / 4,145 |
| 235. | 0.3% | Grandview School District / 13,899 |
| 236. | 0.3% | Easton School District / 942 |
| 237. | 0.2% | Bridgeport School District / 3,322 |
| 237. | 0.2% | Oroville School District / 4,507 |
| 239. | 0.2% | Newport School District / 7,384 |
| 240. | 0.1% | La Center School District / 7,670 |
| 241. | 0.1% | Name N/A / 4,812 |
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.
