County Dossier
Union County
South Dakota | County
Population
17,081
Land Area
460.8 sq mi
Context
Metro
Geography
County silhouette
- Land Area
- 460.8 sq mi
- Water Area
- 6.4 sq mi
- Water Share
- 1.4%
Terrain Layer
Open the county terrain view inside the atlas flow.
Population & Housing
Population
17,081
- Density
- 37.1 / sq mi
- Households
- 7,310
- Housing Units
- 7,588
- Median Age
- 41.5 years
Income & Economy
Median Household Income
$89,636
GDP
$2.26B
Real GDP Change+0.4%
- Per Capita Income
- $53,834
- Personal Income
- $2.55B
- Personal Income Per Capita
- $146,712
Classification
RUCC 3
Metro
Counties in metro areas of fewer than 250,000 population
Relief
Min
1,074 ft
Mean
1,243 ft
Max
1,539 ft