County Dossier
Decatur County
Iowa | County
Population
7,759
Land Area
531.9 sq mi
Context
Nonmetro
Geography
County silhouette
- Land Area
- 531.9 sq mi
- Water Area
- 1.6 sq mi
- Water Share
- 0.3%
Terrain Layer
Open the county terrain view inside the atlas flow.
Population & Housing
Population
7,759
- Density
- 14.6 / sq mi
- Households
- 3,055
- Housing Units
- 3,659
- Median Age
- 36.1 years
Income & Economy
Median Household Income
$59,044
GDP
$277.58M
Real GDP Change+1.1%
- Per Capita Income
- $30,020
- Personal Income
- $353.20M
- Personal Income Per Capita
- $46,134
Classification
RUCC 9
Nonmetro
Urban population of fewer than 5,000, not adjacent to a metro area
Relief
Min
857 ft
Mean
1,046 ft
Max
1,198 ft