County Dossier
Mercer County
New Jersey | County
Population
385,864
Land Area
224.5 sq mi
Context
Metro
Geography
County silhouette
- Land Area
- 224.5 sq mi
- Water Area
- 4.4 sq mi
- Water Share
- 1.9%
Terrain Layer
Open the county terrain view inside the atlas flow.
Population & Housing
Population
385,864
- Density
- 1,718.9 / sq mi
- Households
- 144,114
- Housing Units
- 151,138
- Median Age
- 39.5 years
Income & Economy
Median Household Income
$100,645
GDP
$56.81B
Real GDP Change+2.2%
- Per Capita Income
- $53,765
- Personal Income
- $34.14B
- Personal Income Per Capita
- $87,068
Classification
RUCC 2
Metro
Counties in metro areas of 250,000 to 1 million population
Relief
Min
-117 ft
Mean
134 ft
Max
473 ft