| 1 | Adams County, Washington | 199,356 |
| 2 | Douglas County, Washington | 180,159 |
| 3 | Whitman County, Washington | 168,678 |
| 4 | Lincoln County, Washington | 165,303 |
| 5 | Walla Walla County, Washington | 146,664 |
| 6 | Benton County, Washington | 107,162 |
| 7 | Franklin County, Washington | 100,213 |
| 8 | Grant County, Washington | 75,308 |
| 9 | Yakima County, Washington | 48,085 |
| 10 | Klickitat County, Washington | 46,426 |
| 11 | Columbia County, Washington | 46,207 |
| 12 | Garfield County, Washington | 43,336 |
| 13 | Spokane County, Washington | 27,349 |
| 14 | Asotin County, Washington | 22,725 |
| 15 | Okanogan County, Washington | 4,566 |
| 16 | Whatcom County, Washington | 2,289 |
| 17 | Kittitas County, Washington | 1,041 |
| 18 | Stevens County, Washington | 928 |
| 19 | Lewis County, Washington | 903 |
| 20 | Skagit County, Washington | 579 |
| 21 | Chelan County, Washington | 509 |
| 22 | Ferry County, Washington | 416 |
| 23 | Snohomish County, Washington | 273 |
| 24 | Wahkiakum County, Washington | 237 |
| 25 | Jefferson County, Washington | 157 |
| 26 | Pacific County, Washington | 145 |
| 27 | Grays Harbor County, Washington | 142 |
| 28 | Clark County, Washington | 132 |
| 29 | Clallam County, Washington | 100 |
| 30 | Mason County, Washington | 29 |
| 31 | Thurston County, Washington | 27 |
| 32 | Kitsap County, Washington | 19 |
| 33 | Cowlitz County, Washington | 15 |
| 34 | Island County, Washington | 3 |
| 35 | Pierce County, Washington | 1 |