Oregon Voting-age Population By County in 2021 (ACS-5Yrs)
Updated on February 28, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, the voting-age population of Oregon was 3.33M which was 79.24% of the total Oregon population. Among all Oregon counties, Multnomah had the highest voting-age population (659.59K), followed by Washington (461.43K), and Clackamas (328.35K).
On the other hand, the counties with the least voting-age population were: Wheeler (1.20K), Sherman (1.43K), and Gilliam (1.62K).
The chart and table below shows the voting-age population of each county and the percentage of each county's population that are of voting-age.
You can see similar information for other states and by state for the United States.
Related Topics: Oregon ACS-5Yrs Estimates, 2021 Topic List.
Data Source: US Census - ACS 5-Year Estimates, 2021 Census.
Oregon Voting-age Population By County in 2021
Oregon Voting-age Population By County in 2021
County | Voting-age Population | % of County Population |
|---|---|---|
| Multnomah | 659,586 | 81.43 |
| Washington | 461,425 | 77.30 |
| Clackamas | 328,346 | 78.44 |
| Lane | 310,588 | 81.62 |
| Marion | 259,561 | 75.45 |
| Jackson | 175,853 | 79.33 |
| Deschutes | 156,072 | 80.05 |
| Linn | 98,428 | 77.38 |
| Douglas | 89,045 | 80.45 |
| Yamhill | 83,365 | 77.89 |
| Benton | 79,276 | 83.74 |
| Josephine | 70,458 | 80.35 |
| Polk | 66,791 | 77.35 |
| Umatilla | 59,367 | 74.67 |
| Klamath | 53,864 | 78.18 |
| Coos | 52,699 | 81.55 |
| Lincoln | 41,445 | 83.11 |
| Columbia | 41,416 | 79.07 |
| Clatsop | 33,146 | 81.40 |
| Malheur | 23,333 | 74.52 |
| Tillamook | 22,008 | 81.12 |
| Wasco | 20,649 | 77.62 |
| Union | 20,438 | 77.84 |
| Curry | 19,902 | 85.66 |
| Crook | 19,321 | 79.51 |
| Oregon | 3,333,691 | 79.24 |
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