Washington Citizen Voting-age Population By County in 2011 (ACS-5Yrs)
Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2011, the citizen voting-age population for Washington was 4,667,050 and represented 70.15% of the total Washington population.
Among all Washington counties, King had the highest citizen voting-age population (1.32M), followed by Pierce (563.22K), and Snohomish (487.12K).
In terms of percentages, Jefferson had the highest percentage of its population being citizens of voting-age (83.95%), followed by Columbia (81.08%), and San Juan (80.65%).
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 | 1320805 | 69.21 |
| Pierce | 563215 | 71.16 |
| Snohomish | 487115 | 69.14 |
| Spokane | 346310 | 74.24 |
| Clark | 290510 | 68.98 |
| Kitsap | 185725 | 74.52 |
| Thurston | 184485 | 74.29 |
| Whatcom | 146785 | 73.79 |
| Yakima | 137955 | 57.52 |
| Benton | 115275 | 67.29 |
| Skagit | 81755 | 70.28 |
| Cowlitz | 74190 | 72.81 |
| Island | 60525 | 77.00 |
| Clallam | 56535 | 79.54 |
| Lewis | 55060 | 73.25 |
| Grays Harbor | 53865 | 74.45 |
| Grant | 50030 | 57.39 |
| Chelan | 48565 | 67.65 |
| Mason | 46215 | 76.88 |
| Walla Walla | 40995 | 70.49 |
| Franklin | 35460 | 47.22 |
| Whitman | 34885 | 78.93 |
| Stevens | 32385 | 74.62 |
| Kittitas | 31960 | 78.99 |
| Okanogan | 28055 | 69.01 |
| Jefferson | 24940 | 83.95 |
| Douglas | 23355 | 61.72 |
| Asotin | 16730 | 77.72 |
| Pacific | 16635 | 78.78 |
| Klickitat | 15030 | 74.19 |
| San Juan | 12630 | 80.65 |
| Pend Oreille | 9945 | 76.80 |
| Adams | 8880 | 48.55 |
| Skamania | 8355 | 76.09 |
| Lincoln | 8035 | 76.20 |
| Ferry | 5790 | 76.89 |
| Columbia | 3235 | 81.08 |
| Wahkiakum | 3045 | 76.22 |
| Garfield | 1790 | 79.73 |
