| County | Black Percentage of Total Population |
| Pierce |  7 |
| King | 7 |
| Thurston | 3 |
| Kitsap | 3 |
| Snohomish | 3 |
| Franklin | 3 |
| Island | 3 |
| Clark | 2 |
| Whitman | 2 |
| Walla Walla | 2 |
| Spokane | 2 |
| Grant | 2 |
| Benton | 2 |
| Yakima | 1 |
| Grays Harbor | 1 |
| Mason | 1 |
| Adams | 1 |
| Whatcom | 1 |
| Kittitas | 1 |
| Jefferson | 1 |
| Clallam | 1 |
| Skagit | 1 |
| Cowlitz | 1 |
| Pacific | 1 |
| Lewis | 1 |
| Okanogan | 1 |
| Chelan | 1 |
| San Juan | 1 |
| Douglas | 1 |
| Pend Oreille | 1 |
| Asotin | 1 |
| Columbia | 1 |
| Stevens | 1 |
| Skamania | 1 |
| Ferry | 1 |
| Klickitat | 1 |
| Wahkiakum | 0 |
| Lincoln | 0 |
| Garfield | 0 |