King   County WA United States

County FIPS 53033
Largest City Seattle
State Washington
Latitude 47.4903
Longitude -121.8052
Population 2,287,171
Density 1081.35 people per square mile
Time Zone America/Los Angeles
  • All demographic data comes from the 2024 American Community Survey (5-year study).
  • Learn more about each field.
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Household Income

Median household: $124,746
Median individual: $62,904

Race

Mode: 54.7% White

Gender

 50.7% male 

Rent

  $2092 / month  

Median house value: $858,286.0

Age

Median: 37.4 years old

Education

With at least college degree: 56.8%
With STEM degree: 57.4%

Marital Status

 49.3% married 

Never married: 36.6%

Labor Force Participation

 69.9% working 

Unemployed: 4.8%

Average Family Size

 3.06 people 

Commute Time

 27.6 minutes 

Health Care

 5.2% uninsured 

Poverty

 8.6%

All data comes from the SimpleMaps US Counties Database, 2026.

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