County Dossier
Clinton County
Illinois | County
Population
36,954
Land Area
473.9 sq mi
Context
Metro
Geography
County silhouette
- Land Area
- 473.9 sq mi
- Water Area
- 29.2 sq mi
- Water Share
- 5.8%
Terrain Layer
Open the county terrain view inside the atlas flow.
Population & Housing
Population
36,954
- Density
- 78.0 / sq mi
- Households
- 14,570
- Housing Units
- 15,765
- Median Age
- 41.5 years
Income & Economy
Median Household Income
$86,588
GDP
$1.58B
Real GDP Change+7.1%
- Per Capita Income
- $42,658
- Personal Income
- $2.40B
- Personal Income Per Capita
- $64,744
Classification
RUCC 1
Metro
Counties in metro areas of 1 million population or more
Relief
Min
381 ft
Mean
454 ft
Max
589 ft