Mercer County, New Jersey

NJ · FIPS 34021 · ACS 2024 5-Year Estimates

Key Statistics

Total Population
385,864
Rank #193 of 3,222
94th %ile
Median Household Income
$100,645 +33.9% vs nat'l
Rank #166 of 3,222
95th %ile
Poverty Rate
10.3% −18.5% vs nat'l
Rank #855 of 3,222
73th %ile
Median Home Value
$377,700 +34.0% vs nat'l
Rank #346 of 3,222
89th %ile
Bachelor's Degree or Higher
45.4% +34.8% vs nat'l
Rank #167 of 3,222
95th %ile
Unemployment Rate
6.3% +18.8% vs nat'l
Rank #2,626 of 3,222
19th %ile

At a Glance

62.2% Homeownership
92.1% Insured
45.4% Bachelor's+

Age & Sex Distribution

MaleFemale
0-910-1920-2930-3940-4950-5960-6970-7980+10%5%0%5%10%

Race & Ethnicity

White (non-Hispanic)Hispanic or LatinoBlack (non-Hispanic)Asian (non-Hispanic)Two or More RacesOther (non-Hispanic)American Indian (non-Hispanic)Native Hawaiian/Pacific Islander0.0%13.0%25.9%38.9%42.7%23.1%17.9%12.3%3.4%0.5%0.1%0.0%

About Mercer County, New Jersey

Mercer County, New Jersey has a total population of 385,864, making it the 193rd most populous county in the United States. The median age in Mercer County is 39.5 years, which is 1.5% above the national median of 38.9 years.

The median household income in Mercer County is $100,645, which ranks #166 of 3,222 counties nationwide. This is 33.9% above the national median of $75,149. The poverty rate is 10.3%, lower than the national rate of 12.6%. The unemployment rate stands at 6.3%.

The median home value in Mercer County is $377,700, 34.0% above the national median. Renters in Mercer County pay a median gross rent of $1,623 per month. The homeownership rate is 62.2%, compared to the national rate of 64.4%.

In Mercer County, 45.4% of residents aged 25 and older hold a bachelor's degree or higher, 34.8% above the national average of 33.7%. Health insurance coverage stands at 92.1% of the population. The average commute time for workers is 29.7 min.

Mercer County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 42.7% of the population, followed by Hispanic or Latino (23.1%) and Black (non-Hispanic) (17.9%).

All data for Mercer County, New Jersey comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates. These figures are estimates based on survey sampling and are subject to margin of error. For the most detailed and up-to-date data, visit the Census Bureau's official data portal.

About this data

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates (2024). All values are estimates derived from survey samples and are subject to margin of error. For more information, see our methodology.