Oregon Citizen Population By County in 2019 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2019, the citizen population for Oregon was 3,905,205 and represented 94.56% of the total Oregon population.

Among all Oregon counties, Multnomah had the highest citizen population (747.92K), followed by Washington (532.47K), and Clackamas (396.69K).

In terms of percentages, Wallowa had the highest percentage of its population being citizens (99.14%), followed by Harney (99.11%), and Grant (99.10%).

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 2019

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

See this for other years:

Oregon Citizen Population By County in 2019

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County	Citizen Population	% of County Population
Multnomah	747920	92.96
Washington	532470	90.33
Clackamas	396685	96.64
Lane	361140	96.73
Marion	311270	91.65
Jackson	209295	96.64
Deschutes	182040	97.74
Linn	121660	97.29
Douglas	107665	98.67
Yamhill	100055	95.45
Benton	84715	92.99
Josephine	84305	97.75
Polk	79110	95.27
Umatilla	71425	92.60
Klamath	65000	97.13
Coos	62610	98.31
Columbia	50760	98.80
Lincoln	47135	97.10
Clatsop	38160	97.60
Malheur	28245	92.88
Union	25805	97.99
Tillamook	25380	96.17
Wasco	24515	93.82
Jefferson	22825	96.70
Crook	22715	98.72
Curry	22415	98.96
Hood River	20485	88.26
Baker	15810	98.69
Morrow	9855	87.17
Lake	7605	97.06
Harney	7200	99.11
Grant	7125	99.10
Wallowa	6945	99.14
Gilliam	1850	98.40
Sherman	1625	99.09
Wheeler	1375	97.17