San Juan County, WA Map
Official Census boundary of San Juan County, Washington (FIPS 53055). Turn on flood zones, contours, land cover and school districts, measure distances, or click any spot to inspect it.
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San Juan County Demographics
Source: U.S. Census Bureau, American Community Survey 2020-2024 5-year estimates.
Population
18,478
Households
9,015
Median household income
$84,800
Median age
57 years
Median home value
$799,200
Median gross rent
$1,512/mo
Owner-occupied homes
78%
Bachelor's degree or higher
53.9%
Below poverty level
11.3%
Land area
173.9 sq mi
Population density
106 / sq mi