County Dossier
Barnwell County
South Carolina | County
Population
20,521
Land Area
548.4 sq mi
Context
Nonmetro
Geography
County silhouette
- Land Area
- 548.4 sq mi
- Water Area
- 8.9 sq mi
- Water Share
- 1.6%
Terrain Layer
Open the county terrain view inside the atlas flow.
Population & Housing
Population
20,521
- Density
- 37.4 / sq mi
- Households
- 8,116
- Housing Units
- 9,927
- Median Age
- 40.4 years
Income & Economy
Median Household Income
$46,626
GDP
$700.84M
Real GDP Change+3.1%
- Per Capita Income
- $28,139
- Personal Income
- $904.95M
- Personal Income Per Capita
- $44,155
Classification
RUCC 8
Nonmetro
Urban population of fewer than 5,000, adjacent to a metro area
Relief
Min
180 ft
Mean
263 ft
Max
346 ft