Mercer County, New Jersey

Mercer County is home to 385,864 people. 10.3% of residents live below the poverty line, close to the New Jersey rate (9.7%). The median household income is $100,645.

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MeasureValueNew JerseyYearSource
Population385,8649,343,8092024Decennial Census and American Community Survey 5-year estimates
Median household income$100,645$103,5562024Decennial Census and American Community Survey 5-year estimates
Below poverty line10.3%9.7%2024Decennial Census and American Community Survey 5-year estimates
Children in poverty13.2%13.0%2024Decennial Census and American Community Survey 5-year estimates
No health insurance7.9%7.5%2024Decennial Census and American Community Survey 5-year estimates
Bachelor's degree or higher45.4%43.6%2024Decennial Census and American Community Survey 5-year estimates
Median home value$377,700$454,4002024Decennial Census and American Community Survey 5-year estimates
Median gross rent$1,623$1,7202024Decennial Census and American Community Survey 5-year estimates
Renters paying 30%+ of income50.1%51.6%2024Decennial Census and American Community Survey 5-year estimates
Foreign-born27.0%23.9%2024Decennial Census and American Community Survey 5-year estimates
Median age39.5 years40.1 years2024Decennial Census and American Community Survey 5-year estimates

Neighboring counties

Figures are the latest published estimates, from the sources named; survey estimates carry margins of error.