Oregon Citizen Voting-age Population By County in 2017 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2017, the citizen voting-age population for Oregon was 2,948,765 and represented 73.26% of the total Oregon population.

Among all Oregon counties, Multnomah had the highest citizen voting-age population (579.03K), followed by Washington (384.66K), and Clackamas (298.40K).

In terms of percentages, Curry had the highest percentage of its population being citizens of voting-age (83.37%), followed by Sherman (83.18%), and Wheeler (81.98%).

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.

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Oregon Citizen Voting-age Population By County in 2017
Oregon Citizen Voting-age Population By County in 2017
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County Citizen Voting-age Population % of County Population
Multnomah 579030 73.44
Washington 384660 67.24
Clackamas 298395 74.61
Lane 282365 77.69
Marion 220420 66.70
Jackson 160775 75.81
Deschutes 134185 76.54
Linn 90345 74.62
Douglas 85335 79.33
Yamhill 73375 71.68
Benton 67670 76.68
Josephine 66200 78.33
Polk 57385 72.03
Umatilla 51465 67.07
Coos 49895 79.30
Klamath 49780 75.40
Columbia 38470 76.63
Lincoln 37760 79.82
Clatsop 29390 77.30
Malheur 20575 67.64
Tillamook 20030 77.52
Union 19515 75.61
Curry 18655 83.37
Wasco 18540 72.18
Crook 16985 78.22
Jefferson 16445 72.43
Hood River 14540 63.38
Baker 12640 79.10
Morrow 6725 60.29
Lake 6250 80.08
Grant 5855 81.21
Wallowa 5590 81.43
Harney 5560 77.28
Gilliam 1455 76.18
Sherman 1360 83.18
Wheeler 1160 81.98