Demographics in Mercer County New Jersey TrentonPrincetonEast Windsor

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New Jersey
Mercer County

Demographics

Population

367K

Ethnicity %

White

50

Black

20

Asian

11

Hispanic

18

Median Age

38.8

Density

10 of 10

1,634 / Mile²

Avg Family Size

3.2

Religious

48%

Foreign Born

23%

Veterans

3.9%

Adult Smokers

12%

Adult Obesity

28%

Uninsured

8%

Excessive Drinking

18%

Poverty Rate

10.2%