County Dossier
Polk County
Tennessee | County
Population
17,898
Land Area
434.6 sq mi
Context
Metro
Geography
County silhouette
- Land Area
- 434.6 sq mi
- Water Area
- 7.7 sq mi
- Water Share
- 1.7%
Terrain Layer
Open the county terrain view inside the atlas flow.
Population & Housing
Population
17,898
- Density
- 41.2 / sq mi
- Households
- 7,424
- Housing Units
- 9,064
- Median Age
- 46.9 years
Income & Economy
Median Household Income
$62,522
GDP
$482.59M
Real GDP Change+6.8%
- Per Capita Income
- $35,592
- Personal Income
- $832.49M
- Personal Income Per Capita
- $45,397
Classification
RUCC 3
Metro
Counties in metro areas of fewer than 250,000 population
Relief
Min
688 ft
Mean
1,374 ft
Max
4,192 ft