County Dossier
Washington County
Illinois | County
Population
13,627
Land Area
562.6 sq mi
Context
Nonmetro
Geography
County silhouette
- Land Area
- 562.6 sq mi
- Water Area
- 1.3 sq mi
- Water Share
- 0.2%
Terrain Layer
Open the county terrain view inside the atlas flow.
Population & Housing
Population
13,627
- Density
- 24.2 / sq mi
- Households
- 5,795
- Housing Units
- 6,415
- Median Age
- 44.2 years
Income & Economy
Median Household Income
$78,224
GDP
$1.26B
Real GDP Change-4.2%
- Per Capita Income
- $40,841
- Personal Income
- $858.79M
- Personal Income Per Capita
- $63,450
Classification
RUCC 8
Nonmetro
Urban population of fewer than 5,000, adjacent to a metro area
Relief
Min
384 ft
Mean
485 ft
Max
600 ft