Township · New Jersey

Union Township, Union County, New Jersey

Union Township, Union County, township, in Union County, New Jersey. Union Township, Union County had 63,675 residents on July 1, 2025 by the Census Bureau's estimate, up 6.6% since 2020; the 2020 Census counted 59,728 and the ACS 2020-2024 5-year estimates put it at 61,071 (±75). GEOID 3403974480.

Residents, July 2025 estimate

63,675

Census Bureau estimate (no margin published)
2020 Census count: 59,728 · ACS 2020-2024: 61,071 ±75

Median household income

$119,464

±$7,123 (90% margin)
New Jersey: $103,556

Median home value

$451,300

±$8,348 (90% margin)
New Jersey: $454,400

Median gross rent

$2,064

±$98 (90% margin)
New Jersey: $1,720

Where is Union Township, Union County and what county is it in?

Union Township, Union County is a township in Union County, New Jersey. It covers 9.1 square miles of land, 6,599 residents per square mile in 2020.

4 places lie inside Union Township (Union County): Vauxhall (CDP, 5,251 in 2020), Union (CDP, 2,229 in 2020), Kean University (CDP, 1,522 in 2020) and Connecticut Farms (CDP, 545 in 2020).

Union Township, Union County is in the New York-Newark-Jersey City, NY-NJ metropolitan statistical area, which takes in 22 counties (Census Bureau delineation, July 2023).

Union Township, Union County (marked with a dot) in Union County, New Jersey. Boundaries: Census Bureau 2024.

Source: 2024 Gazetteer and 2020 place-by-county files, U.S. Census Bureau · Census reference files

How many people live in Union Township, Union County, and is it growing?

The Census Bureau estimates that 63,675 people lived in Union Township, Union County on July 1, 2025, up 6.6% since 2020, faster than New Jersey (+2.8%). The 2020 Census counted 59,728 residents. The 2020-2024 American Community Survey, a five-year sample, puts the population at 61,071 (±75).

  • July 2020→2021 −158 (59,610)
  • 2021→2022 +1,352 (60,962)
  • 2022→2023 +1,065 (62,027)
  • 2023→2024 +1,591 (63,618)
  • 2024→2025 +57 (63,675)
ACS 2020-2024 5-year estimates (counts) with the change from 2015-2019
MeasureUnion Township, Union CountyUnion CountyNew JerseyChange since 2015-2019
Total population61,071±75579,2909,343,809+2,774
Households21,374±618203,2773,507,701+1,074
Average household size2.78±0.082.822.62no clear change
Housing units22,068±622212,3853,791,354no clear change

Union Township, Union County's population since 2000

From 54,405 in 2000 to 63,675 in 2025: up 17.0%. The 2000, 2010 and 2020 figures are census counts, each for Union Township, Union County as it was drawn that year: a place that annexed land, or a community that has since incorporated, covered a different area then. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.

  • 2000 Census 54,405
  • 2005 (estimate) 55,110
  • 2010 Census 56,642
  • 2015 (estimate) 57,624
  • 2020 Census 59,728
  • 2025 (estimate) 63,675

Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); Census PEP Vintage 2025 (SUB-EST2025, CO-EST2025); 2020 Census P.L. 94-171 · Check it at data.census.gov

Who lives in Union Township, Union County?

The median resident of Union Township, Union County is 41.5 years old; 19.1% are under 18 and 16.1% are 65 or older. The largest group is non-Hispanic Black residents at 37.1%, then non-Hispanic white residents at 26.9%. 37.1% of residents were born outside the United States.

Age, origin, education and moves, ACS 2020-2024 5-year estimates. Race groups are non-Hispanic; Hispanic includes any race.
MeasureUnion Township, Union CountyUnion CountyNew JerseyChange since 2015-2019
Median age41.5±1.139.140.1no clear change
Under 18 years19.1%±1.2 pts23.5%21.8%–
65 years and over16.1%±1.2 pts15.1%17.2%–
Male48.0%±1.2 pts49.4%49.2%–
Hispanic or Latino (any race)19.3%±1.7 pts35.2%22.5%no clear change
White alone, not Hispanic26.9%±1.7 pts35.4%50.9%−10.1 pts
Black or African American alone, not Hispanic37.1%±2.2 pts19.1%12.2%+5.5 pts
Asian alone, not Hispanic10.3%±1.2 pts5.6%10.0%no clear change
American Indian and Alaska Native alone, not Hispanic0.0%±0.1 pts0.1%0.1%–
Native Hawaiian and Other Pacific Islander alone, not Hispanic0.0%±0.1 pts0.0%0.0%–
Two or more races, not Hispanic4.6%±1.2 pts3.4%3.5%–
Some other race alone, not Hispanic1.7%±0.7 pts1.2%0.8%–
Born outside the United States37.1%±2.1 pts33.6%23.9%+6.2 pts
Speak a language other than English at home (age 5+)48.1%±2.7 pts47.6%33.1%–
Civilian veterans (age 18+)2.2%±0.5 pts2.5%3.7%–
With a disability9.4%±1.0 pts9.1%10.8%–
No health insurance coverage7.2%±1.1 pts13.0%7.5%no clear change
High school graduate or higher (age 25+)89.1%±1.5 pts86.3%90.7%–
Bachelor's degree or higher (age 25+)40.8%±2.3 pts38.9%43.6%+5.5 pts
Graduate or professional degree (age 25+)13.8%±1.4 pts15.8%17.6%–
Lived in the same house a year earlier90.7%±1.5 pts90.5%90.4%–
Moved from another state in the past year1.5%±0.6 pts1.5%1.8%–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov

What do households in Union Township, Union County earn?

Half of Union Township, Union County's 21,374 households earn less than $119,464 a year (±$7,123), against $103,202 in Union County and $103,556 in New Jersey. In 2015-2019 the median was $108,911 in 2024 dollars, so it rose by $10,553 after inflation. 6.7% of residents live below the poverty line.

Income and poverty in 2024 dollars, ACS 2020-2024 5-year estimates; 2015-2019 dollars adjusted with the R-CPI-U-RS
MeasureUnion Township, Union CountyUnion CountyNew JerseyChange since 2015-2019
Median household income$119,464±$7,123$103,202$103,556+$10,553
Mean household income$138,435±$5,671$149,595$143,363–
Per capita income$48,896±$2,044$52,874$54,253no clear change
People below the poverty line6.7%±1.3 pts9.2%9.7%+2.1 pts
Children under 18 below the poverty line6.7%±2.8 pts11.8%13.0%no clear change
Households receiving SNAP5.9%±1.3 pts8.8%9.1%–
Households with a computer95.9%±1.1 pts95.8%95.9%–
Households with a broadband subscription94.5%±1.2 pts93.3%92.8%–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov

What does housing cost in Union Township, Union County?

Owners occupy 71.5% of Union Township, Union County's occupied homes and renters 28.5%. The median owner-occupied home is valued at $451,300 by its owner (±$8,348). The median renter pays $2,064 a month including utilities, and 45.7% of renters pay 35% or more of their income on rent.

Housing, ACS 2020-2024 5-year estimates. Home values are owners' own estimates.
MeasureUnion Township, Union CountyUnion CountyNew JerseyChange since 2015-2019
Median home value (owner-occupied)$451,300±$8,348$529,200$454,400+$46,402
Median gross rent$2,064±$98$1,730$1,720+$160
Renters paying 35% or more of income on rent45.7%±5.4 pts42.8%42.7%no clear change
Median monthly owner costs, with a mortgage$3,015±$81$3,203$2,829–
Owner-occupied homes71.5%±2.1 pts57.4%63.8%no clear change
Renter-occupied homes28.5%±2.1 pts42.6%36.2%–
Housing units22,068±622212,3853,791,354no clear change
Homeowner vacancy rate0.6%±0.7 pts1.0%0.7%–
Rental vacancy rate2.9%±1.8 pts3.1%3.5%–
Single-family detached homes62.7%±2.5 pts49.7%52.6%–
Mobile homes0.3%±0.3 pts0.2%0.9%–
Built 2020 or later0.9%±0.5 pts1.0%1.1%–
Built 2010 to 20194.9%±1.1 pts5.8%6.2%–
Built 1939 or earlier20.4%±2.8 pts23.5%17.4%–
Households with no vehicle5.6%±1.1 pts10.2%11.1%–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov

How many new homes is Union Township, Union County building?

Builders took permits for 3 new housing units in Union Township, Union County in 2025 (3 in single-family houses), 0.0 per 1,000 residents against 2.9 across New Jersey.

  • 2019 646 units
  • 2020 (9 months) 912 units
  • 2021 1,299 units
  • 2022 590 units
  • 2023 (3 months) 471 units
  • 2024 482 units
  • 2025 3 units

Counts of units in permits a local office issued; not every permitted unit is built. A year marked with months was reported for part of the year.

Source: Building Permits Survey, annual place files 2019-2025, U.S. Census Bureau · Census Building Permits Survey

How do people in Union Township, Union County work and get to work?

66.9% of Union Township, Union County's workers drive alone and 12.2% work from home. The average trip to work takes 30.4 minutes. The unemployment rate in 2020-2024 averaged 5.9%.

Work and commuting, ACS 2020-2024 5-year estimates (workers 16 and over)
MeasureUnion Township, Union CountyUnion CountyNew JerseyChange since 2015-2019
In the labor force (age 16+)70.2%±1.7 pts69.3%66.4%–
Unemployment rate5.9%±1.2 pts6.5%6.3%no clear change
Drove alone to work66.9%±2.4 pts60.9%62.2%–
Carpooled7.6%±1.3 pts8.9%7.7%–
Public transportation8.6%±1.5 pts9.1%8.1%–
Walked1.5%±0.5 pts2.4%2.6%–
Worked from home12.2%±1.6 pts14.2%16.8%+8.9 pts
Mean travel time to work30.4 min±1.230.2 min30.5 minno clear change

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov

What census tracts are in Union Township, Union County?

13 census tracts lie mostly in Union Township, Union County (2020 census blocks). Their median household incomes run from $93,750 (Tract 335.01) to $149,152 (Tract 330).

Census tracts in Union Township, Union County, ACS 2020-2024 5-year estimates (the 12 with the most residents inside it; every tract on the full list)
TractResidents, 2020-2024Median household incomeMedian home valueShare of tract in Union Township, Union County
Tract 331Union County6,397 $119,970 $443,600100%
Tract 328Union County5,686 $109,018 $364,200100%
Tract 327.02Union County5,278 $98,973 $434,500100%
Tract 326Union County5,206 $107,917 $460,400100%
Tract 335.02Union County4,807 $110,518 $500,400100%
Tract 329.01Union County4,715 $126,119 $438,100100%
Tract 329.02Union County4,659 $113,468 $484,400100%
Tract 330Union County4,449 $149,152 $449,600100%
Tract 335.01Union County4,236 $93,750 $445,300100%
Tract 332Union County4,180 $130,909 $469,400100%
Tract 334Union County3,989 $148,650 $474,900100%
Tract 333Union County3,804 $127,086 $473,500100%

Every census tract in Union Township, Union County, with its figures

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 block assignment files (tract share = share of the tract's census blocks in Union Township, Union County) · Census block assignment files

How does Union Township, Union County compare with other places in New Jersey?

By the Census Bureau's July 2025 estimates, Union Township, Union County is the 104th-most populous of the 16,079 U.S. towns and townships that have one and the 12th-most populous of 241 in New Jersey.

Union Township, Union County ranks 333rd of 771 places in New Jersey with 1,000 or more residents and a reliable estimate, by median household income.

Union Township, Union County's rank in New Jersey (1 = highest): by population among the state's towns and townships with a 2025 estimate; by the other measures among places of 1,000+ residents with a reliable estimate
MeasureRankOf
Population, July 2025 estimate12th241
Growth 2020-2025 (PEP)49th532
Residents per square mile91st787
Median household income333rd771
Per capita income503rd785
Median home value362nd777
Median gross rent196th701
Poverty rate279th539
Bachelor's degree or higher445th780
Median age460th786
Owner-occupied share510th777
Work from home508th695
Travel time to work391st787

Union Township, Union County's figures with every place in New Jersey (CSV)

Every place in New Jersey, sortable · Compare Union Township, Union County with other places

Source: PlainCities ranks computed from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed

How reliable are the figures for Union Township, Union County?

4 of the 57 figures for Union Township, Union County on this page carry a coefficient of variation over 40% and are marked with a ring: they come from a small sample, so read them as rough.

The American Community Survey samples about one household in eight over five years, so every figure is an estimate with a 90% margin of error (shown under each value). A ring marks an estimate whose coefficient of variation is over 40%. A change is called only when the gap between the two periods is larger than their combined 90% margin (the square root of the sum of the two squared margins), the Census Bureau's test. How to read a margin of error.

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026): margins of error as published · ACS technical documentation

How these figures are made: methodology and release checks · reading a margin of error · every state · corrections

Not on this page: crime, weather and schools for Union Township, Union County are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' school search.