Oregon Immigrant or Foreign-Born Population By County in 2021 (ACS-5Yrs)

Updated on February 24, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, the total immigrant or foreign-born population in Oregon was 412.38K which was 9.80% of Oregon's population. Among all Oregon counties, Multnomah had the highest immigrant population (109.48K) and immigrants constituted 13.52% of its population, followed by Washington (pop: 107.01K, perc: 17.93%), and then Marion (pop: 43.60K, perc: 12.67%).

On the other hand, the counties with the least number of immigrant population were: Sherman (pop: 25, perc: 1.40%), Gilliam (pop: 46, perc: 2.35%), and Wheeler (pop: 69, perc: 4.67%),

The chart and table below shows the immigrant or foreign-born population of each county and the percentage of each county's population that are immigrants.

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

Oregon Immigrant or Foreign-Born Population By County in 2021
Oregon Immigrant or Foreign-Born Population By County in 2021
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County Immigrant Population % of County Population
Baker 293 1.77
Benton 9364 9.89
Clackamas 35710 8.53
Clatsop 1963 4.82
Columbia 1364 2.60
Coos 2399 3.71
Crook 566 2.33
Curry 1346 5.79
Deschutes 9870 5.06
Douglas 3031 2.74
Gilliam 46 2.35
Grant 153 2.12
Harney 137 1.84
Hood River 3738 15.63
Jackson 13503 6.09
Jefferson 1627 6.71
Josephine 3516 4.01
Klamath 3429 4.98
Lake 505 6.22
Lane 21150 5.56
Lincoln 2341 4.70
Linn 5031 3.96
Malheur 3068 9.80
Marion 43599 12.67
Morrow 2137 17.86
Multnomah 109476 13.52
Polk 5713 6.62
Sherman 25 1.40
Tillamook 1356 5.00
Umatilla 7351 9.24
Union 749 2.85
Wallowa 165 2.25
Wasco 2439 9.17
Washington 107014 17.93
Wheeler 69 4.67
Yamhill 8139 7.61