Mercer County, New Jersey

Interactive maps and statistics for Mercer County, New Jersey: income, age, education, housing, health and more, set beside New Jersey and the United States.

Mercer County, New Jersey is among the highest in the country for population per square mile (94th of 3,222 counties), and among the highest in the country for foreign born (46th of 3,222 counties).

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Key figures

Statistic	Mercer County, New Jersey	New Jersey	United States	Rank
Total Population	385,864	9,343,809	334,922,499	193rd of 3,222
Median Household Income	$100,645	$103,556	$80,734	166th of 3,221
Median Age	39.5	40.1	38.9	2265th of 3,222
Bachelor's Degree or Higher	45.4%	43.6%	35.7%	167th of 3,222
Median Home Value	$377,700	$454,400	$332,700	346th of 3,217
Median Gross Rent	$1,623	$1,720	$1,413	173rd of 3,215
Poverty Rate	10.3%	9.7%	12.5%	2368th of 3,222
Unemployment Rate	6.3%	6.3%	5.2%	614th of 3,222
Population per Square Mile	1,718.9	1,270.4	n/a	94th of 3,222
Foreign Born	27.0%	23.9%	14.1%	46th of 3,222
Life Expectancy	78.7	n/a	n/a	551st of 3,062
Homeownership Rate	62.2%	63.8%	65.2%	2896th of 3,222
Average Commute Time	27.1	30.5	26.4	975th of 3,221
Worked from Home	19.5%	16.8%	15.1%	153rd of 3,222
Uninsured	7.7%	n/a	n/a	2296th of 3,134
Married-Couple Households	46.3%	49.8%	46.9%	2169th of 3,222
Broadband Access	88.5%	n/a	n/a	607th of 3,135

Rank is among all US counties with published data, counting down from the highest value. Figures come from the American Community Survey, CDC, BLS, BEA and other federal sources. Open the map for 1,147 statistics and the year and margin of error behind each one.

Race and ethnicity in Mercer County, New Jersey

Statistic	Mercer County, New Jersey	New Jersey	United States
White (non-Hispanic)	42.7%	50.9%	57.4%
Hispanic or Latino (any race)	23.1%	22.5%	19.3%
Black (non-Hispanic)	17.9%	12.2%	11.9%
Asian (non-Hispanic)	12.3%	10.0%	5.9%
Two or More Races (non-Hispanic)	3.4%	3.5%	4.3%
American Indian & Alaska Native (non-Hispanic)	0.1%	0.1%	0.5%
Native Hawaiian & Pacific Islander (non-Hispanic)	0.0%	0.0%	0.2%
Some Other Race (non-Hispanic)	0.5%	0.8%	0.6%
Diversity Index	71.6	66.4	61.4

Age in Mercer County, New Jersey

Statistic	Mercer County, New Jersey	New Jersey	United States
Median Age	39.5	40.1	38.9
Under 18 %	22.0%	21.8%	22.0%
Age 18-24 %	10.2%	8.4%	9.1%
Age 25-34 %	12.4%	12.9%	13.7%
Age 35-44 %	13.1%	13.3%	13.2%
Age 45-64 %	26.4%	26.5%	24.8%
Age 65 and Over %	16.0%	17.2%	17.2%

Households and families in Mercer County, New Jersey

Statistic	Mercer County, New Jersey	New Jersey	United States
Households	144,114	3,507,701	129,227,496
Average Household Size	2.6	2.6	2.5
Family Households	65.5%	67.8%	64.2%
Households with Children	30.6%	31.2%	29.5%
Single-Parent Families	19.2%	18.0%	17.3%
People Living Alone	29.1%	26.4%	28.7%
Never Married	37.7%	34.9%	34.4%

Income and poverty in Mercer County, New Jersey

Statistic	Mercer County, New Jersey	New Jersey	United States
Per Capita Income	$53,765	$54,253	$44,673
Households Under $25,000	12.5%	11.6%	14.6%
Households $50,000 to $74,999	12.4%	12.8%	15.5%
Households $100,000 to $149,999	17.3%	18.1%	17.5%
Households $200,000 or More	21.3%	21.6%	13.4%
Poverty Rate	10.3%	9.7%	12.5%
Below 200% of Poverty	24.3%	21.7%	28.2%
SNAP Households	9.3%	9.1%	n/a

Housing in Mercer County, New Jersey

Statistic	Mercer County, New Jersey	New Jersey	United States
Housing Units	151,138	3,791,354	143,775,355
Single-Family Detached Homes	47.5%	52.6%	61.3%
Buildings with 5+ Units	23.2%	21.8%	19.1%
Vacancy Rate	4.6%	7.5%	10.1%
Median Year Structure Built	1,969.0	1,970.0	1,980.0
Renter-Occupied	37.8%	36.2%	34.8%
Rent as % of Household Income	30.0%	30.9%	30.6%
Median Property Tax	$8,909	$9,590	n/a

Education in Mercer County, New Jersey

Statistic	Mercer County, New Jersey	New Jersey	United States
Less than High School	10.6%	9.3%	10.4%
High School Graduate	24.0%	25.3%	26.0%
Some College or Associate Degree	20.0%	21.7%	27.9%
Bachelor's Degree	24.3%	26.1%	21.6%
Graduate or Professional Degree	21.2%	17.6%	14.1%

Work and commuting in Mercer County, New Jersey

Statistic	Mercer County, New Jersey	New Jersey	United States
Labour Force Participation	65.3%	66.4%	63.5%
Drove Alone to Work	60.2%	62.2%	68.8%
Public Transit	4.6%	8.1%	3.2%
Walked to Work	3.6%	2.6%	2.4%
Commutes Under 15 Minutes	24.9%	21.7%	26.0%
Commutes Over an Hour	10.6%	13.7%	8.6%
Households Without a Car	11.2%	11.1%	n/a

Origins and language in Mercer County, New Jersey

Statistic	Mercer County, New Jersey	New Jersey	United States
Born in State of Residence	48.3%	50.8%	57.3%
Naturalised Citizens	12.5%	13.5%	7.4%
Non-Citizens	14.6%	10.5%	6.8%
Speaks Only English at Home	64.3%	66.9%	77.7%
Speaks Spanish at Home	19.1%	17.2%	13.6%
Limited English Proficiency	25.6%	24.5%	16.7%

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