County Dossier
Marshall County
Illinois | County
Population
11,647
Land Area
386.8 sq mi
Context
Metro
Geography
County silhouette
- Land Area
- 386.8 sq mi
- Water Area
- 11.7 sq mi
- Water Share
- 2.9%
Terrain Layer
Open the county terrain view inside the atlas flow.
Population & Housing
Population
11,647
- Density
- 30.1 / sq mi
- Households
- 5,094
- Housing Units
- 5,815
- Median Age
- 46.1 years
Income & Economy
Median Household Income
$71,585
GDP
$686.58M
Real GDP Change+16.6%
- Per Capita Income
- $37,407
- Personal Income
- $671.02M
- Personal Income Per Capita
- $58,087
Classification
RUCC 2
Metro
Counties in metro areas of 250,000 to 1 million population
Relief
Min
444 ft
Mean
661 ft
Max
899 ft