Oregon Citizen 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 population for Oregon was 3,795,490 and represented 94.30% of the total Oregon population.

Among all Oregon counties, Multnomah had the highest citizen population (727.63K), followed by Washington (517.13K), and Clackamas (386.10K).

In terms of percentages, Grant had the highest percentage of its population being citizens (99.52%), followed by Wallowa (99.35%), and Douglas (98.72%).

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 2017

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

See this for other years:

Oregon Citizen Population By County in 2017

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County	Citizen Population	% of County Population
Multnomah	727630	92.29
Washington	517130	90.40
Clackamas	386100	96.54
Lane	350575	96.45
Marion	302200	91.45
Jackson	204635	96.49
Deschutes	171130	97.61
Linn	118185	97.61
Douglas	106195	98.72
Yamhill	96650	94.42
Josephine	82550	97.68
Benton	81975	92.89
Polk	75565	94.85
Umatilla	70575	91.97
Klamath	63970	96.90
Coos	61510	97.76
Columbia	49465	98.53
Lincoln	45835	96.89
Clatsop	36765	96.70
Malheur	28230	92.80
Union	25125	97.35
Tillamook	24895	96.34
Wasco	24285	94.55
Curry	22065	98.62
Jefferson	21770	95.88
Crook	21215	97.70
Hood River	20110	87.66
Baker	15745	98.53
Morrow	9770	87.58
Lake	7700	98.66
Grant	7175	99.52
Harney	7080	98.40
Wallowa	6820	99.35
Gilliam	1880	98.43
Sherman	1605	98.17
Wheeler	1385	97.88