Washington County, OR — Demographics & Population
Population, age distribution, race & ethnicity, and education data
Population Overview
Source: Census Bureau ACS (2023)Total Population
600,266
Male
299,739
49.9%
Female
300,527
50.1%
Median Age
37.8 yrs
Avg Household Size
2.6
Foreign Born
17.7%
Race & Ethnicity
Source: Census Bureau ACS (2023)Age Distribution
Source: Census Bureau ACS (2023)Education
Source: Census Bureau ACS (2023)Bachelor's or Higher32.7%
High School or Higher44.6%
Other Demographics
Source: Census Bureau ACS (2023)Veterans
4.5%
Disability
0.0%
Non-English Home
5.0%
Married
43.7%
Washington County, OR has a population of 600,266 according to 2023 Census Bureau estimates. The median age is 37.8 years. The largest racial or ethnic group is White at 66.0% of the population. 32.7% of residents hold a bachelor's degree or higher. 17.7% of residents are foreign-born.