County Dossier
Jersey County
Illinois | County
Population
21,274
Land Area
369.6 sq mi
Context
Metro
Geography
County silhouette
- Land Area
- 369.6 sq mi
- Water Area
- 7.9 sq mi
- Water Share
- 2.1%
Terrain Layer
Open the county terrain view inside the atlas flow.
Population & Housing
Population
21,274
- Density
- 57.6 / sq mi
- Households
- 7,965
- Housing Units
- 9,958
- Median Age
- 43.7 years
Income & Economy
Median Household Income
$80,361
GDP
$672.93M
Real GDP Change-1.2%
- Per Capita Income
- $38,634
- Personal Income
- $1.20B
- Personal Income Per Capita
- $56,565
Classification
RUCC 1
Metro
Counties in metro areas of 1 million population or more
Relief
Min
413 ft
Mean
579 ft
Max
887 ft