Population By Race and Ethnicity in Washington County, OR in 2011

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2011, the 541,041 population of Washington County, Oregon comprised of 85,689 people who identified as Hispanic (15.84%), and 455,352 people who identified as Non-Hispanic (84.16%).

Race: The White Alone population was the largest racial group in Washington County, Oregon with a population of 450,788 (83.32%); Asian Alone population was the second largest racial group with a population of 49,876 (9.22%); and Two Or More Races was the third largest racial group with a population of 20,364 (3.76%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Washington County, Oregon in 2011, with a population of 374,927 (69.3%); the second largest ethnic group was White Alone - Hispanic with a population of 75,861 (14.02%); and the third largest ethnic group was Asian Alone - Non Hispanic with a population of 48,823 (9.02%).

The charts and tables below shows the population and percentage of each racial and ethnicity group in Washington, Oregon.

You can find similar information for other Oregon counties, and for Oregon.

See this for other years:
Hispanics and Non Hispanics in Washington County, OR in 2011
Total Population:
Race in Washington County, OR in 2011
Total Population:
Ethnicity in Washington County, OR in 2011
Total Population:
Population By Race in Washington , OR in 2011
Race Population Percentage
Black or African American Alone 11,117 2.06%
White Alone 450,788 83.32%
American Indian and Alaska Native Alone 6,130 1.13%
Asian Alone 49,876 9.22%
Native Hawaiian And Pacific Islander Alone 2,766 0.51%
Two Or More Races 20,364 3.76%
Population By Ethnicity in Washington , OR in 2011
Ethnicity Population Percentage
Black or African American Alone - Hispanic 1,701 0.31%
White Alone - Hispanic 75,861 14.02%
American Indian and Alaska Native Alone - Hispanic 3,454 0.64%
Asian Alone - Hispanic 1,053 0.2%
Native Hawaiian And Pacific Islander Alone - Hispanic 379 0.07%
Two Or More Races - Hispanic 3,241 0.6%
Black or African American Alone - Non Hispanic 9,416 1.74%
White Alone - Non Hispanic 374,927 69.3%
American Indian and Alaska Native Alone - Non Hispanic 2,676 0.5%
Asian Alone - Non Hispanic 48,823 9.02%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 2,387 0.44%
Two Or More Races - Non Hispanic 17,123 3.17%