County Dossier
Union County
Illinois | County
Population
16,997
Land Area
413.4 sq mi
Context
Nonmetro
Geography
County silhouette
- Land Area
- 413.4 sq mi
- Water Area
- 8.7 sq mi
- Water Share
- 2.1%
Terrain Layer
Open the county terrain view inside the atlas flow.
Population & Housing
Population
16,997
- Density
- 41.1 / sq mi
- Households
- 6,868
- Housing Units
- 7,851
- Median Age
- 44.3 years
Income & Economy
Median Household Income
$55,728
GDP
$532.78M
Real GDP Change+1.3%
- Per Capita Income
- $31,657
- Personal Income
- $907.58M
- Personal Income Per Capita
- $53,748
Classification
RUCC 6
Nonmetro
Urban population of 5,000 to 20,000, adjacent to a metro area
Relief
Min
226 ft
Mean
499 ft
Max
1,029 ft