County Dossier
Madison County
Illinois | County
Population
264,238
Land Area
715.5 sq mi
Context
Metro
Geography
County silhouette
- Land Area
- 715.5 sq mi
- Water Area
- 24.4 sq mi
- Water Share
- 3.3%
Terrain Layer
Open the county terrain view inside the atlas flow.
Population & Housing
Population
264,238
- Density
- 369.3 / sq mi
- Households
- 110,134
- Housing Units
- 119,168
- Median Age
- 40.2 years
Income & Economy
Median Household Income
$75,793
GDP
$16.58B
Real GDP Change+8.3%
- Per Capita Income
- $41,560
- Personal Income
- $16.49B
- Personal Income Per Capita
- $62,684
Classification
RUCC 1
Metro
Counties in metro areas of 1 million population or more
Relief
Min
303 ft
Mean
516 ft
Max
680 ft