United States › New Jersey › Union County COUNTY
Union County New Jersey · 601,863 residents (2025 est.) · 103 sq mi
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COMPARE TO 1990 Census 2000 Census 2009 ACS 2010 ACS 2011 ACS 2012 ACS 2013 ACS 2014 ACS 2015 ACS 2016 ACS 2017 ACS 2018 ACS 2019 ACS 2020 ACS 2021 ACS 2022 ACS 2023 ACS
The short version
Union County is home to 579,290 people in New Jersey. 34% of people here were born outside the United States. That puts it in the top 1% of US counties for household income. There are 5,637 people per square mile. Home values have roughly tripled since 2000, reaching $529,200. Owners hold 57% of the housing stock.
At a glance
Wealthier
above the US median
US median: $82,259
Mid-age
median age 39.1
US median: 38.9
Average education
39% hold a bachelor's degree
US average: 36%
Less affordable
home values up 57%, inflation adjusted
US median home: $376,019
Section 01
Population & growth from 522,541 in 2000
601,863 in 2025 (Census Bureau estimate)
5,637 / sq mi
+11%since 2009
from 5,080 / sq mi in 2009
US average: 281
from 36.6 in 2000
US average: 38.9
Population, 1990 – 2024
485K 511K 537K 562K 588K 1990 2000 2010 2020 2024 Union County Age distribution, 2024
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02
Income & economy $103,202
+2%inflation adjusted, since 2000
from $55,339 in 2000
US average: $82,259
from $26,992 in 2000
US average: $44,673
Households earning $100K+
from 44.4% in 2009
US average: 53.3%
from 8.4% in 2000
US average: 12.5%
from 0.481 in 2010
US average: 0.476
Workforce by industry, 2024
Professional, scientific, technical 9%
Public administration 6.9%
Transportation & warehousing 3%
Arts, entertainment, food 2.3%
Education & health services 0.8%
Agriculture, forestry, fishing 0.2%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
$529,200
+57%inflation adjusted, since 2000
from $185,200 in 2000
US average: $376,019
$1,730
+26%inflation adjusted, since 2000
from $752 in 2000
US average: $1,442
from 61.6% in 2000
42.6% rent
from 6.6% in 2009
US average: 10.0%
2.82 people
Unchangedsince 2009
from 2.81 people in 2009
US average: 2.54
from 43.4% in 2009
US average: 22.9%
from 49.9% in 2009
US average: 47.4%
from 6.0 in 2009
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Our index, 0 to 100. Higher means faster recent growth in incomes, home values, and college degrees.
Section 04
Race & ethnicity 2000
White, non-Hispanic 54.2%(283,345)
Hispanic / Latino 19.7%(103,011)
2024
White, non-Hispanic 35.4%(205,149)
Hispanic / Latino 35.2%(203,905)
from 83 in 2009
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
from 54 in 2020
Our index, 0 to 100. Higher means White and non-White residents are more separated across neighborhoods.
Section 04 · Origins
Detailed origins & ancestry Hispanic origin
+ 10 more hispanic origin groups with data Asian origin
+ 5 more asian origin groups with data Ancestry
+ 50 more ancestry groups with data from 28.5% in 2000
US average: 35.6%
High school or higher
from 79.3% in 2000
US average: 89.6%
from 10.9% in 2000
US average: 14.0%
Section 06
Commute & transportation from 20.5 min in 2000
US average: 26.5
from 68.3% in 2009
US average: 68.9%
from 9.8% in 2009
US average: 8.5%
from 9.8% in 2009
US average: 3.2%
from 2.8% in 2009
US average: 15.0%
from 3.5% in 2009
US average: 2.4%
from 0.3% in 2009
US average: 0.4%
from 11.9% in 2009
US average: 8.3%
Section 07
Work & employment from 9.6% in 2011
US average: 5.2%
from 68.7% in 2011
US average: 63.5%
Women 20-64 in the labor force
from 77.6% in 2020
US average: 74.6%
from 13.1% in 2009
US average: 13.1%
from 34.8% in 2009
US average: 42.5%
Section 08
People & community from 27.5% in 2009
US average: 14.1%
from 6.0% in 2009
US average: 6.2%
from 9.1% in 2012
US average: 13.3%
from 16.1% in 2013
US average: 8.4%
from 79.4% in 2017
US average: 91.0%
Computer in household
from 91.7% in 2020
US average: 95.5%
from 90.7% in 2020
US average: 87.7%
from 57.1% in 2016
US average: 77.7%
from 27.5% in 2016
US average: 13.6%
Marital status
Men 15+
Never married 38.8%(88,635)
Women 15+
Never married 35.7%(85,004)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09
Health coverage from 16.1% in 2013
US average: 8.4%
from 59.3% in 2020
US average: 54.8%
Direct-purchase
from 10.8% in 2020
US average: 13.8%
from 15.0% in 2020
US average: 18.4%
from 18.3% in 2020
US average: 20.9%
VA health care
from 0.9% in 2020
US average: 2.2%
Any private
from 67.6% in 2020
US average: 67.1%
Any public
from 30.5% in 2020
US average: 36.7%
Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.
Section 09 · Service history
Veterans Veterans by period of service, 2024
Gulf War (2001 or later) 16.7%(1,884)
Gulf War (1990s) 13.7%(1,546)
Share of the 11,260 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Drill deeper
Places similar to Union County Head to head
Compare Union County to nearby counties UNION COUNTY VS
Essex County
Income $80,789 −22%
Home value $524,100 −1%
Population 896,379 +49%
SEE FULL COMPARISON →
UNION COUNTY VS
Richmond County
Income $98,333 −5%
Home value $675,500 +28%
Population 501,290 −17%
SEE FULL COMPARISON →
UNION COUNTY VS
Hudson County
Income $91,795 −11%
Home value $539,700 +2%
Population 735,033 +22%
SEE FULL COMPARISON →
UNION COUNTY VS
Middlesex County
Income $111,549 +8%
Home value $462,900 −13%
Population 883,335 +47%
SEE FULL COMPARISON →
Frequently asked
How many people live in Union County, New Jersey? Union County, New Jersey has about 579,290 residents according to the 2024 American Community Survey.
What is the median household income in Union County, New Jersey? The typical household in Union County, New Jersey earns about $103,202 a year. Half of households make more than that, and half make less.
Is Union County, New Jersey expensive? In Union County, New Jersey, the median home is worth about $529,200, and the typical rent is about $1,730 a month.
How educated are people in Union County, New Jersey? About 38.9% of adults age 25 and over in Union County, New Jersey hold a bachelor's degree or higher.
What is the poverty rate in Union County, New Jersey? About 9.2% of people in Union County, New Jersey live below the federal poverty line.
Has Union County, New Jersey grown since 1990? Yes, Union County, New Jersey has grown since 1990. The population has added about 85,471 residents, a change of about 17 percent over that period.
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