County Dossier
Polk County
Iowa | County
Population
503,175
Land Area
572.7 sq mi
Context
Metro
Geography
County silhouette
- Land Area
- 572.7 sq mi
- Water Area
- 19.2 sq mi
- Water Share
- 3.2%
Terrain Layer
Open the county terrain view inside the atlas flow.
Population & Housing
Population
503,175
- Density
- 878.6 / sq mi
- Households
- 205,358
- Housing Units
- 218,486
- Median Age
- 36.2 years
Income & Economy
Median Household Income
$83,576
GDP
$63.82B
Real GDP Change+3.2%
- Per Capita Income
- $45,622
- Personal Income
- $36.03B
- Personal Income Per Capita
- $69,800
Classification
RUCC 2
Metro
Counties in metro areas of 250,000 to 1 million population
Relief
Min
750 ft
Mean
905 ft
Max
1,046 ft