Oregon Citizen Population By County in 2012 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2012, the citizen population for Oregon was 3,602,055 and represented 93.89% of the total Oregon population.

Among all Oregon counties, Multnomah had the highest citizen population (675.40K), followed by Washington (477.66K), and Clackamas (360.81K).

In terms of percentages, Grant had the highest percentage of its population being citizens (99.66%), followed by Wheeler (99.61%), and Harney (99.59%).

The chart and table below shows the citizen population of each county and the percentage of each county's population that were citizens.

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 2012

Data Source: US Census - ACS 5-Year (CVAP).

See this for other years:

Oregon Citizen Population By County in 2012

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County	Citizen Population	% of County Population
Multnomah	675395	91.63
Washington	477660	89.82
Clackamas	360805	95.65
Lane	338835	96.32
Marion	282990	89.73
Jackson	196400	96.46
Deschutes	154350	97.15
Linn	113355	96.99
Douglas	105975	98.68
Yamhill	93175	94.00
Josephine	81475	98.60
Benton	80870	94.59
Polk	72495	96.08
Umatilla	70415	92.84
Klamath	64335	96.96
Coos	62235	98.89
Columbia	48455	98.26
Lincoln	44270	96.26
Clatsop	35850	96.71
Malheur	28610	92.13
Union	25060	97.62
Tillamook	24065	95.29
Wasco	22945	91.36
Curry	22100	98.90
Crook	20805	98.60
Jefferson	20560	94.55
Hood River	18720	84.31
Baker	15945	99.10
Morrow	9755	87.53
Lake	7670	97.27
Grant	7340	99.66
Harney	7330	99.59
Wallowa	6890	99.28
Gilliam	1840	96.59
Sherman	1795	96.25
Wheeler	1280	99.61