County Dossier
Johnson County
Tennessee | County
Population
18,196
Land Area
298.4 sq mi
Context
Nonmetro
Geography
County silhouette
- Land Area
- 298.4 sq mi
- Water Area
- 4.3 sq mi
- Water Share
- 1.4%
Terrain Layer
Open the county terrain view inside the atlas flow.
Population & Housing
Population
18,196
- Density
- 61.0 / sq mi
- Households
- 7,298
- Housing Units
- 8,761
- Median Age
- 46.7 years
Income & Economy
Median Household Income
$53,129
GDP
$596.00M
Real GDP Change+2.0%
- Per Capita Income
- $28,841
- Personal Income
- $813.05M
- Personal Income Per Capita
- $43,934
Classification
RUCC 8
Nonmetro
Urban population of fewer than 5,000, adjacent to a metro area
Relief
Min
1,953 ft
Mean
2,903 ft
Max
5,401 ft