Population By Race and Ethnicity in Washington County, OR in 2020

Updated on August 1, 2024.

Based on the US Census Vintage data estimates, in 2020, the 601,130 population of Washington County, Oregon comprised of 107,983 people who identified as Hispanic (17.96%), and 493,147 people who identified as Non-Hispanic (82.04%).

Race: The White Alone population was the largest racial group in Washington County, Oregon with a population of 475,010 (79.02%); Asian Alone population was the second largest racial group with a population of 71,846 (11.95%); and Two Or More Races was the third largest racial group with a population of 27,930 (4.65%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Washington County, Oregon in 2020, with a population of 380,443 (63.29%); the second largest ethnic group was White Alone - Hispanic with a population of 94,567 (15.73%); and the third largest ethnic group was Asian Alone - Non Hispanic with a population of 70,276 (11.69%).

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.

Data Source: US Census Bureau (Vintage).

See this for other years:

Hispanics and Non Hispanics in Washington County, OR in 2020

Total Population:601,130

Non Hispanic (82.04%)

Hispanic (17.96%)

Race in Washington County, OR in 2020

Total Population:601,130

White Alone (79.02%)

Asian Alone (11.95%)

Two or more races (4.65%)

Black or African American Alone (2.64%)

American Indian and Alaska Native Alone (1.19%)

Native Hawaiian And Pacific Islander Alone (0.56%)

Ethnicity in Washington County, OR in 2020

Total Population:601,130

Non-Hispanic White Alone (63.29%)

Hispanic White Alone (15.73%)

Non-Hispanic Asian Alone (11.69%)

Non-Hispanic Two or more races (3.85%)

All Other Ethnicities (3.18%)

Non-Hispanic Black or African American Alone (2.27%)

Population By Race in Washington , OR in 2020

Race	Population	Percentage
White Alone	475,010	79.02%
Asian Alone	71,846	11.95%
Two Or More Races	27,930	4.65%
Black or African American Alone	15,840	2.64%
American Indian and Alaska Native Alone	7,136	1.19%
Native Hawaiian And Pacific Islander Alone	3,368	0.56%

Population By Ethnicity in Washington , OR in 2020

Ethnicity	Population	Percentage
White Alone - Non Hispanic	380,443	63.29%
White Alone - Hispanic	94,567	15.73%
Asian Alone - Non Hispanic	70,276	11.69%
Two Or More Races - Non Hispanic	23,125	3.85%
Black or African American Alone - Non Hispanic	13,623	2.27%
Two Or More Races - Hispanic	4,805	0.8%
American Indian and Alaska Native Alone - Hispanic	4,363	0.73%
Native Hawaiian And Pacific Islander Alone - Non Hispanic	2,907	0.48%
American Indian and Alaska Native Alone - Non Hispanic	2,773	0.46%
Black or African American Alone - Hispanic	2,217	0.37%
Asian Alone - Hispanic	1,570	0.26%
Native Hawaiian And Pacific Islander Alone - Hispanic	461	0.08%