King County, WA — Demographics & Population
Population, age distribution, race & ethnicity, and education data
Population Overview
Source: Census Bureau ACS (2023)Total Population
2,262,713
Male
1,146,257
50.7%
Female
1,116,456
49.3%
Median Age
37.3 yrs
Avg Household Size
2.4
Foreign Born
25.1%
Race & Ethnicity
Source: Census Bureau ACS (2023)Age Distribution
Source: Census Bureau ACS (2023)Education
Source: Census Bureau ACS (2023)Bachelor's or Higher40.4%
High School or Higher50.7%
Other Demographics
Source: Census Bureau ACS (2023)Veterans
3.8%
Disability
0.0%
Non-English Home
4.5%
Married
42.4%
King County, WA has a population of 2,262,713 according to 2023 Census Bureau estimates. The median age is 37.3 years. The largest racial or ethnic group is White at 56.7% of the population. 40.4% of residents hold a bachelor's degree or higher. 25.1% of residents are foreign-born.