County Dossier
Johnson County
Kansas | County
Population
620,631
Land Area
473.6 sq mi
Context
Metro
Geography
County silhouette
- Land Area
- 473.6 sq mi
- Water Area
- 6.3 sq mi
- Water Share
- 1.3%
Terrain Layer
Open the county terrain view inside the atlas flow.
Population & Housing
Population
620,631
- Density
- 1,310.4 / sq mi
- Households
- 249,531
- Housing Units
- 259,655
- Median Age
- 38.6 years
Income & Economy
Median Household Income
$109,208
GDP
$67.01B
Real GDP Change0.0%
- Per Capita Income
- $60,137
- Personal Income
- $60.33B
- Personal Income Per Capita
- $95,419
Classification
RUCC 1
Metro
Counties in metro areas of 1 million population or more
Relief
Min
737 ft
Mean
985 ft
Max
1,145 ft