County Dossier
St. Louis County
Missouri | County
Population
995,569
Land Area
508.5 sq mi
Context
Metro
Geography
County silhouette
- Land Area
- 508.5 sq mi
- Water Area
- 15.4 sq mi
- Water Share
- 2.9%
Terrain Layer
Open the county terrain view inside the atlas flow.
Population & Housing
Population
995,569
- Density
- 1,957.8 / sq mi
- Households
- 413,849
- Housing Units
- 446,192
- Median Age
- 40.3 years
Income & Economy
Median Household Income
$82,936
GDP
$114.81B
Real GDP Change+1.1%
- Per Capita Income
- $51,977
- Personal Income
- $104.03B
- Personal Income Per Capita
- $104,775
Classification
RUCC 1
Metro
Counties in metro areas of 1 million population or more
Relief
Min
119 ft
Mean
548 ft
Max
900 ft