San Juan   County WA United States

County FIPS 53055
Largest City Friday Harbor
State Washington
Latitude 48.5776
Longitude -122.9654
Population 18,478
Density 106.27 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: $84,800
Median individual: $44,764

Race

Mode: 86.8% White

Gender

 50.6% female 

Rent

  $1512 / month  

Median house value: $801,804.0

Age

Median: 57.0 years old

Education

With at least college degree: 53.9%
With STEM degree: 51.5%

Marital Status

 58.1% married 

Never married: 21.3%

Labor Force Participation

 52.8% working 

Unemployed: 3.7%

Average Family Size

 2.47 people 

Commute Time

 15.8 minutes 

Health Care

 6.0% uninsured 

Poverty

 11.3%

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

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