County Dossier
San Juan County
Washington | County
Population
18,478
Land Area
173.9 sq mi
Context
Nonmetro
Geography
County silhouette
- Land Area
- 173.9 sq mi
- Water Area
- 446.9 sq mi
- Water Share
- 72.0%
Terrain Layer
Open the county terrain view inside the atlas flow.
Population & Housing
Population
18,478
- Density
- 106.2 / sq mi
- Households
- 9,015
- Housing Units
- 13,990
- Median Age
- 57.0 years
Income & Economy
Median Household Income
$84,800
GDP
$1.23B
Real GDP Change+1.1%
- Per Capita Income
- $63,950
- Personal Income
- $1.87B
- Personal Income Per Capita
- $99,983
Classification
RUCC 9
Nonmetro
Urban population of fewer than 5,000, not adjacent to a metro area
Relief
Min
-9 ft
Mean
81 ft
Max
2,401 ft