County Dossier
Douglas County
Illinois | County
Population
19,751
Land Area
416.7 sq mi
Context
Nonmetro
Geography
County silhouette
- Land Area
- 416.7 sq mi
- Water Area
- 0.6 sq mi
- Water Share
- 0.1%
Terrain Layer
Open the county terrain view inside the atlas flow.
Population & Housing
Population
19,751
- Density
- 47.4 / sq mi
- Households
- 7,765
- Housing Units
- 8,507
- Median Age
- 38.7 years
Income & Economy
Median Household Income
$77,320
GDP
$1.44B
Real GDP Change+1.8%
- Per Capita Income
- $36,634
- Personal Income
- $1.39B
- Personal Income Per Capita
- $70,031
Classification
RUCC 8
Nonmetro
Urban population of fewer than 5,000, adjacent to a metro area
Relief
Min
334 ft
Mean
660 ft
Max
739 ft