County Dossier
New Castle County
Delaware | County
Population
577,961
Land Area
426.3 sq mi
Context
Metro
Geography
County silhouette
- Land Area
- 426.3 sq mi
- Water Area
- 67.7 sq mi
- Water Share
- 13.7%
Terrain Layer
Open the county terrain view inside the atlas flow.
Population & Housing
Population
577,961
- Density
- 1,355.6 / sq mi
- Households
- 224,173
- Housing Units
- 236,079
- Median Age
- 39.3 years
Income & Economy
Median Household Income
$91,166
GDP
$75.96B
Real GDP Change+3.0%
- Per Capita Income
- $47,777
- Personal Income
- $40.94B
- Personal Income Per Capita
- $69,609
Classification
RUCC 1
Metro
Counties in metro areas of 1 million population or more
Relief
Min
-4 ft
Mean
82 ft
Max
449 ft