Population: Overview and Links to Other Data Sites

Communities Count is now posting data visualizations of King County population data.

See navigation bar to the left for:

  • Interactive maps (by census tract and by King County cities/neighborhoods) showing population estimates – by age and race – from the Washington State Office of Financial Management.
  • Interactive maps (by census tract and by King County cities/neighborhoods) showing survey results from the American Communities Survey on the following topics:
    • Employment and unemployment
    • Residential mobility in the past year
    • 18-64-year-olds on Medicaid
    • 18-64-year-olds without health insurance, by gender and poverty level
    • Foreign-born / Linguistic isolation / Foreign languages spoken
    • Poverty level, overall and by age groups
    • Education (no high school degree, no college degree)
    • Housing: affordability and condition
    • Commute Mode (public transit, bike, walk)

Communities Count continues to link to sites that offer population data on King County:

U.S. Census QuickFacts for King County, WA.

Communities Count has maps, with population estimates, of King County regions and health reporting areas.

Maps (by census tracts) of King County demographics:  median income, poverty, race/ethnicity, and languages spoken are presented by King County’s Equity and Social Justice Team.

The King County Library System conducts in-depth community studies of 4-5 community library service areas each year and posts these reports, by year, on their Community Studies page.  These reports contain a wealth of demographic information on individual communities throughout King County. 

King County Profile from Washington State Data Book provides population numbers for individual cities and towns in King County.

The Washington State Office of Financial Management provides yearly population estimates for King County cities. Click here for the most recent estimate.

King County’s Office of Economic and Financial Analysis posts data on demographic trends.

Puget Sound Regional Council presents population data on King, Kitsap, Pierce, and Snohomish Counties. Although sub-county data are not presented, links to data from the decennial census and the American Community Survey are provided. 

Washington State Population Survey (discontinued after 2010); has King County data, collected every other year from 1998 through 2010); focus on employment, family poverty, in-migration, health, and health insurance coverage:  Can download existing data files.  

Overview and Links to Other Data Sites

Notes, Sources & Related Links