Washington Non-Hispanic American Indian and Alaska Native Alone Citizen Voting-age Population By County in 2018 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2018, the Non-Hispanic American Indian & Alaska Native Alone citizen voting-age population for Washington was 18,765 and represented 0.36% of the total Washington citizen voting-age population.

Among all Washington counties, King had the highest Non-Hispanic American Indian & Alaska Native Alone citizen voting-age population (8.83K), followed by Pierce (6.94K), and Yakima (6.17K).

In terms of percentages, Ferry had the highest percentage of its citizen voting-age population being Non-Hispanic American Indian & Alaska Native Alone (11.72%), followed by Okanogan (10.31%), and Stevens (4.28%).

The chart and table below shows the Non-Hispanic American Indian & Alaska Native Alone citizen voting-age population of each county and the percentage of each county's citizen voting-age population that were Non-Hispanic American Indian & Alaska Native Alone.

You can see similar information for other states and by state for the United States.

You can also see similar information for other ethnicities.

See this for other years:
Washington Non-Hispanic American Indian and Alaska Native Alone Citizen Voting-age Population By County in 2018
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County Citizen Voting-age Population % of County Citizen Voting-age Population
King 8830 0.59
Pierce 6935 1.12
Yakima 6165 4.26
Snohomish 4500 0.81
Spokane 4345 1.16
Whatcom 4185 2.56
Okanogan 2975 10.31
Thurston 2620 1.27
Clallam 2335 3.90
Grays Harbor 2140 3.87
Clark 1655 0.50
Kitsap 1615 0.80
Stevens 1460 4.28
Skagit 1355 1.52
Mason 1045 2.17
Benton 825 0.63
Cowlitz 780 0.99
Ferry 720 11.72
Grant 675 1.25
Island 525 0.81
Chelan 455 0.87
Klickitat 455 2.82
Jefferson 450 1.71
Pend Oreille 375 3.60
Lewis 355 0.61
Kittitas 290 0.81
Douglas 270 1.02
Franklin 245 0.52
Pacific 205 1.22
Skamania 180 1.97
Walla Walla 150 0.35
Asotin 135 0.78
Whitman 135 0.36
Lincoln 115 1.42
San Juan 100 0.73
Adams 60 0.67
Wahkiakum 40 1.17
Garfield 10 0.61
Columbia 4 0.13