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COUNTY · 2010 ACS

Mercer County

New Jersey · 366,513 residents · 224.478 sq mi
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The short version

Mercer County is significantly wealthier than the US average, with a median household income of $71,217. Population has held roughly steady since 2000. Median home value has more than doubled since 2000, reaching $309,300.

At a glance
Wealthier
above the US median
US median: $52,703
Mid-age
median age 37.8
US median: 37.2
More educated
38% hold a bachelor's degree
US average: 28%
Less affordable
home values up 70%, inflation adjusted
US median home: $225,659
Section 01

Population & growth

Total population
366,513
+4%since 2000
from 350,761 in 2000
1990 – 2025
Population density
1,633 / sq mi
+4%since 2000
from 1,563 / sq mi in 2000
US average: 261
Median age
37.8
+5%since 2000
from 36.0 in 2000
US average: 37.2
Population, 1990 – 2024
320K338K357K375K393K1990201020202024Mercer County
2024386K
1990201020202024
Section 02

Income & economy

Median household income
$71,217
−1%inflation adjusted, since 2000
from $56,613 in 2000
US average: $52,703
1990 – 2024
Per capita income
$36,016
+29%since 2000
from $27,914 in 2000
US average: $27,286
Households earning $100K+
47.8%
−0.4 ptssince 2009
from 48.2% in 2009
US average: 33.3%
Poverty rate
10.1%
+1.5 ptssince 2000
from 8.6% in 2000
US average: 13.8%
Income inequality (Gini)
0.476
US average: 0.461
Workforce by industry, 2010
Retail trade9.6%
US avg: 10.9%
Information9.4%
US avg: 11.5%
Other services8.5%
US avg: 7%
Public administration6.9%
US avg: 4.9%
Wholesale trade4.8%
US avg: 7.2%
Finance & insurance3.9%
US avg: 5.1%
Professional, scientific, technical3.5%
US avg: 4.2%
Transportation & warehousing2.9%
US avg: 3.1%
Arts, entertainment, food2.6%
US avg: 2.4%
Agriculture, forestry, fishing0.5%
US avg: 1.9%
Education & health services0.4%
US avg: 0.9%
Construction0.4%
US avg: 1.4%
Manufacturing0.1%
US avg: 0.5%
BARS: THIS PLACE · TICKS: US AVERAGE
Section 03

Housing

Median home value
$309,300
+70%inflation adjusted, since 2000
from $143,600 in 2000
US average: $225,659
1990 – 2024
Median gross rent
$1,046
+14%inflation adjusted, since 2000
from $727 in 2000
US average: $853
Owner-occupied
48.3%
−18.7 ptssince 2000
from 67.0% in 2000
34.1% rent
Vacancy rate
9.2%
+0.1 ptssince 2009
from 9.2% in 2009
US average: 12.1%
Owner cost-burdened
35.1%
+0.7 ptssince 2009
from 34.4% in 2009
US average: 30.9%
Renter cost-burdened
48.6%
−0.1 ptssince 2009
from 48.7% in 2009
US average: 46.8%
Afford Score
4.3
+71%since 2000
from 2.5 in 2000
1990 – 2024
RELATED:See current rent listings in Mercer County on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic64.2%(225,284)
Black19.4%(67,922)
Hispanic / Latino9.7%(33,898)
Asian4.9%(17,250)
Other0%
Diversity Score65.1%(228,384)
2010
White, non-Hispanic54.5%(199,909)
Black19.5%(71,378)
Hispanic / Latino15.1%(55,318)
Asian8.9%(32,545)
Other1.8%(6,471)
Diversity Score79%(289,456)
Diversity Score
79
+21%since 2000
from 65 in 2000
1990 – 2024
Section 05

Education

Bachelor's degree or higher
38.2%
+4.3 ptssince 2000
from 34.0% in 2000
US average: 27.9%
High school or higher
86.5%
+4.7 ptssince 2000
from 81.8% in 2000
US average: 84.9%
Graduate degree
17.6%
+2.1 ptssince 2000
from 15.5% in 2000
US average: 10.2%
Section 06

Commute & transportation

Average commute
26.9 min
+43%since 2000
from 18.7 min in 2000
US average: 25.2
Drive alone to work
70.8%
−1.0 ptssince 2009
from 71.8% in 2009
US average: 76.2%
Carpooled to work
11.1%
+0.6 ptssince 2009
from 10.5% in 2009
US average: 10.4%
Public transit
7.3%
−0.1 ptssince 2009
from 7.4% in 2009
US average: 4.7%
Worked from home
4.0%
+0.2 ptssince 2009
from 3.8% in 2009
US average: 4.1%
Walked to work
4.2%
+0.2 ptssince 2009
from 4.0% in 2009
US average: 2.8%
Biked to work
0.7%
Unchangedsince 2009
from 0.8% in 2009
US average: 0.5%
No vehicle available
11.6%
+0.4 ptssince 2009
from 11.2% in 2009
US average: 8.7%
Section 07

Work & employment

Self-employed
17.6%
−0.4 ptssince 2009
from 18.0% in 2009
US average: 12.9%
Management & professional
42.9%
−26.3 ptssince 2009
from 69.2% in 2009
US average: 35.2%
Section 08

People & community

Male
48.8%
−0.4 ptssince 2009
from 49.2% in 2009
Female
51.2%
+0.4 ptssince 2009
from 50.8% in 2009
Foreign born
19.7%
+1.3 ptssince 2009
from 18.5% in 2009
US average: 12.8%
Veterans
7.1%
−41.4 ptssince 2009
from 48.6% in 2009
US average: 9.9%
Drill deeper

Places similar to Mercer County

Anoka County
Pop 381,605
Orange County
Pop 417,669
Weld County
Pop 378,426
Solano County
Pop 455,376
Places similar to Mercer County
Head to head

Compare Mercer County to nearby counties

MERCER COUNTY VS
Middlesex County
Income$111,549+57%
Home value$462,900+50%
Population883,335+121%
SEE FULL COMPARISON →
MERCER COUNTY VS
Somerset County
Income$140,374+97%
Home value$552,100+78%
Population356,486−11%
SEE FULL COMPARISON →
MERCER COUNTY VS
Bucks County
Income$114,764+61%
Home value$445,700+44%
Population647,828+62%
SEE FULL COMPARISON →
MERCER COUNTY VS
Hunterdon County
Income$141,715+99%
Home value$517,200+67%
Population131,781−67%
SEE FULL COMPARISON →
Frequently asked

How many people live in Mercer County, New Jersey?

Mercer County, New Jersey has about 366,513 residents according to the 2010 American Community Survey.

What is the median household income in Mercer County, New Jersey?

The typical household in Mercer County, New Jersey earns about $71,217 a year. Half of households make more than that, and half make less.

Is Mercer County, New Jersey expensive?

In Mercer County, New Jersey, the median home is worth about $309,300, and the typical rent is about $1,046 a month.

How educated are people in Mercer County, New Jersey?

About 38.2% of adults age 25 and over in Mercer County, New Jersey hold a bachelor's degree or higher.

What is the poverty rate in Mercer County, New Jersey?

About 10.1% of people in Mercer County, New Jersey live below the federal poverty line.

Has Mercer County, New Jersey grown since 1990?

Yes, Mercer County, New Jersey has grown since 1990. The population has added about 40,689 residents, a change of about 12 percent over that period.

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Explore from here

84 census tracts (top 20 by population)
Census Tract 25Census Tract 44.04Census Tract 32.01Census Tract 43.11Census Tract 44.07Census Tract 33.01Census Tract 37.03Census Tract 27.02Census Tract 38Census Tract 43.07Census Tract 45.01Census Tract 28Census Tract 35Census Tract 4Census Tract 21Census Tract 22Census Tract 42.04Census Tract 5Census Tract 39.04Census Tract 44.03
22 ZIP codes
ZIP 08540ZIP 08618ZIP 08610ZIP 08611ZIP 08648ZIP 08520ZIP 08619ZIP 08638ZIP 08550ZIP 08690ZIP 08691ZIP 08609ZIP 08534ZIP 08629ZIP 08620ZIP 08628ZIP 08525ZIP 08544ZIP 08560ZIP 08542ZIP 08608ZIP 08561
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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

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