Washington Citizen Voting-age Population By County in 2014 (ACS-5Yrs)
Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2014, the citizen voting-age population for Washington was 4,866,910 and represented 70.54% of the total Washington population.
Among all Washington counties, King had the highest citizen voting-age population (1.39M), followed by Pierce (582.25K), and Snohomish (514.43K).
In terms of percentages, Jefferson had the highest percentage of its population being citizens of voting-age (84.59%), followed by Wahkiakum (82.32%), and San Juan (82.20%).
The chart and table below shows the citizen voting-age population of each county and the percentage of each county's population that were citizens of voting-age.
You can see similar information for other states and by state for the United States.
| County | Citizen Voting-age Population | % of County Population |
|---|---|---|
| King | 1389920 | 69.19 |
| Pierce | 582245 | 71.64 |
| Snohomish | 514435 | 69.96 |
| Spokane | 356410 | 74.73 |
| Clark | 306255 | 69.88 |
| Thurston | 193170 | 74.49 |
| Kitsap | 192865 | 76.05 |
| Whatcom | 152755 | 74.57 |
| Yakima | 140770 | 57.13 |
| Benton | 122710 | 67.40 |
| Skagit | 84480 | 71.37 |
| Cowlitz | 75845 | 74.31 |
| Island | 61725 | 78.18 |
| Clallam | 57770 | 80.21 |
| Lewis | 56200 | 74.56 |
| Grays Harbor | 54005 | 75.28 |
| Grant | 51345 | 56.14 |
| Chelan | 50590 | 68.68 |
| Mason | 46685 | 76.87 |
| Franklin | 42440 | 50.22 |
| Walla Walla | 41965 | 70.56 |
| Whitman | 36160 | 78.60 |
| Stevens | 33080 | 75.98 |
| Kittitas | 32720 | 78.46 |
| Okanogan | 28735 | 69.68 |
| Jefferson | 25360 | 84.59 |
| Douglas | 24455 | 62.41 |
| Asotin | 17170 | 78.21 |
| Pacific | 16400 | 79.36 |
| Klickitat | 15565 | 75.30 |
| San Juan | 13025 | 82.20 |
| Pend Oreille | 10165 | 78.40 |
| Adams | 8765 | 46.25 |
| Skamania | 8465 | 75.61 |
| Lincoln | 8010 | 76.94 |
| Ferry | 6020 | 78.64 |
| Wahkiakum | 3305 | 82.32 |
| Columbia | 3175 | 78.78 |
| Garfield | 1780 | 79.46 |
