County Dossier
Knox County
Illinois | County
Population
49,046
Land Area
716.4 sq mi
Context
Nonmetro
Geography
County silhouette
- Land Area
- 716.4 sq mi
- Water Area
- 3.4 sq mi
- Water Share
- 0.5%
Terrain Layer
Open the county terrain view inside the atlas flow.
Population & Housing
Population
49,046
- Density
- 68.5 / sq mi
- Households
- 20,972
- Housing Units
- 23,758
- Median Age
- 42.6 years
Income & Economy
Median Household Income
$57,030
GDP
$2.45B
Real GDP Change+3.7%
- Per Capita Income
- $31,878
- Personal Income
- $2.53B
- Personal Income Per Capita
- $51,995
Classification
RUCC 4
Nonmetro
Urban population of 20,000 or more, adjacent to a metro area
Relief
Min
578 ft
Mean
720 ft
Max
833 ft