County Dossier
Franklin County
Illinois | County
Population
37,323
Land Area
408.9 sq mi
Context
Nonmetro
Geography
County silhouette
- Land Area
- 408.9 sq mi
- Water Area
- 22.5 sq mi
- Water Share
- 5.2%
Terrain Layer
Open the county terrain view inside the atlas flow.
Population & Housing
Population
37,323
- Density
- 91.3 / sq mi
- Households
- 16,137
- Housing Units
- 18,462
- Median Age
- 43.4 years
Income & Economy
Median Household Income
$56,740
GDP
$1.36B
Real GDP Change+3.7%
- Per Capita Income
- $31,012
- Personal Income
- $1.90B
- Personal Income Per Capita
- $51,381
Classification
RUCC 7
Nonmetro
Urban population of 5,000 to 20,000, not adjacent to a metro area