Oregon Citizen Voting-age Population By County in 2018 (ACS-5Yrs)
Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2018, the citizen voting-age population for Oregon was 3,002,260 and represented 73.55% of the total Oregon population.
Among all Oregon counties, Multnomah had the highest citizen voting-age population (590.58K), followed by Washington (392.66K), and Clackamas (303.95K).
In terms of percentages, Curry had the highest percentage of its population being citizens of voting-age (84.25%), followed by Sherman (82.87%), and Wheeler (81.40%).
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 |
|---|---|---|
| Multnomah | 590580 | 73.95 |
| Washington | 392655 | 67.49 |
| Clackamas | 303950 | 74.90 |
| Lane | 287510 | 77.94 |
| Marion | 225355 | 67.16 |
| Jackson | 162520 | 75.85 |
| Deschutes | 139020 | 76.96 |
| Linn | 91500 | 74.47 |
| Douglas | 86030 | 79.42 |
| Yamhill | 75125 | 72.36 |
| Benton | 68900 | 76.74 |
| Josephine | 66865 | 78.22 |
| Polk | 58905 | 72.34 |
| Umatilla | 51670 | 67.19 |
| Coos | 50475 | 79.73 |
| Klamath | 49940 | 75.31 |
| Columbia | 39115 | 76.92 |
| Lincoln | 38380 | 80.16 |
| Clatsop | 29920 | 77.59 |
| Malheur | 20525 | 67.45 |
| Tillamook | 20220 | 77.55 |
| Union | 19700 | 75.68 |
| Curry | 18960 | 84.25 |
| Wasco | 18485 | 71.47 |
| Crook | 17460 | 78.17 |
| Jefferson | 16910 | 73.06 |
| Hood River | 14905 | 64.44 |
| Baker | 12665 | 79.23 |
| Morrow | 6695 | 59.70 |
| Lake | 6280 | 80.05 |
| Grant | 5840 | 81.28 |
| Harney | 5650 | 78.15 |
| Wallowa | 5585 | 80.65 |
| Gilliam | 1475 | 77.43 |
| Sherman | 1330 | 82.87 |
| Wheeler | 1160 | 81.40 |