
Friday Harbor
- County:
- San Juan County
- County Seat:
- Yes
- Area (mi²):
- 2.187
- State:
- Washington
Friday Harbor is a town located in San Juan County, Washington. Friday Harbor has a 2025 population of 2,806. It is also the county seat of San Juan County. Friday Harbor is currently growing at a rate of 1.26% annually and its population has increased by 6.65% since the most recent census, which recorded a population of 2,631 in 2020.
The average household income in Friday Harbor is $97,948 with a poverty rate of 12.64%. The median age in Friday Harbor is 44.5 years: 41.5 years for males, and 46.1 years for females.