Oregon Citizen Population By County in 2016 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2016, the citizen population for Oregon was 3,753,590 and represented 94.26% of the total Oregon population.

Among all Oregon counties, Multnomah had the highest citizen population (718.57K), followed by Washington (509.85K), and Clackamas (380.70K).

In terms of percentages, Wallowa had the highest percentage of its population being citizens (99.56%), followed by Grant (99.31%), and Wheeler (99.27%).

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 2016

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

See this for other years:

Oregon Citizen Population By County in 2016

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County	Citizen Population	% of County Population
Multnomah	718570	92.34
Washington	509845	90.38
Clackamas	380695	96.39
Lane	347315	96.40
Marion	297720	91.18
Jackson	203270	96.38
Deschutes	166415	97.42
Linn	116850	97.49
Douglas	105945	98.67
Yamhill	96355	94.27
Josephine	82395	98.01
Benton	81885	93.63
Polk	74730	95.23
Umatilla	70420	91.96
Klamath	64035	97.10
Coos	61570	97.82
Columbia	48805	98.31
Lincoln	44975	96.34
Clatsop	36300	96.39
Malheur	27990	91.85
Union	25085	97.38
Tillamook	24615	96.34
Wasco	24195	94.31
Curry	22060	98.64
Jefferson	21210	95.09
Crook	21105	98.92
Hood River	20060	87.83
Baker	15840	98.82
Morrow	9710	86.66
Lake	7610	97.56
Grant	7175	99.31
Harney	7115	98.61
Wallowa	6805	99.56
Gilliam	1890	98.70
Sherman	1675	98.24
Wheeler	1360	99.27