Oregon Population By County in 2023

Updated on August 1, 2024.

Based on the US Census Vintage data estimates, in 2023, the population of Oregon was 4,233,358. Among all Oregon counties, Multnomah had the highest population (789,698), followed by Washington (598,865), and Clackamas (423,173). Wheeler was the least populated county (1,436).

Hover over or click on the counties in the map below to see the populations. The data can also be found in a table below. You can use the table to sort, filter, and explore the data further.

You can see similar information for other states and by state for the United States.

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Oregon Population By County in 2023
Oregon Population By County in 2023
County
Population
% of State Population
Multnomah 789,698 18.65
Washington 598,865 14.15
Clackamas 423,173 10.00
Lane 381,181 9.00
Marion 346,741 8.19
Jackson 220,768 5.22
Deschutes 208,513 4.93
Linn 131,496 3.11
Douglas 112,435 2.66
Yamhill 108,644 2.57
Benton 97,713 2.31
Polk 89,805 2.12
Josephine 87,821 2.07
Umatilla 80,053 1.89
Klamath 70,003 1.65
Coos 64,212 1.52
Columbia 53,880 1.27
Lincoln 50,821 1.20
Clatsop 41,102 0.97
Malheur 32,044 0.76
Tillamook 27,417 0.65
Crook 26,952 0.64
Wasco 26,333 0.62
Union 25,944 0.61
Jefferson 25,454 0.60
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