Union County, NJ ZIP Codes

New Jersey (NJ)  ·  30 ZIP codes  ·  22 cities
30
ZIP codes
572,114
population (2021)
+6.6%
pop change since 2010
34039
FIPS code
Union County ZIP code map
About Union County
Union County is located in New Jersey and contains 30 ZIP codes across 22 cities and communities. The county's population was 572,114 as of 2021, an increase of 6.6% from 536,499 in 2010. The timezone is Central Time (observes DST). The Federal Information Processing System (FIPS) code for Union County is 34039.
Population
2021 population572,114
2010 population536,499
Change+6.6%
County details
StateNew Jersey
FIPS code34039
TimezoneCentral
Daylight savingYes
Cities in Union County
ZIP codes for Union County, NJ (30)

Demographics & statistics

594,706
Population
39.0
Median age
$106,247
Median household income
$49,114
Per capita income
$486,431
Median home value
$1,723
Median monthly rent
62.0%
Home ownership
7.7%
Poverty rate
6.1%
Unemployment
129,912
Housing units
42.1%
Bachelor's or higher

Age distribution

Male Female
18,169
Under 5
18,614
18,901
5–9
19,364
19,628
10–14
20,109
19,023
15–19
19,489
18,217
20–24
18,662
36,830
25–34
37,731
40,809
35–44
41,807
40,739
45–54
41,735
21,228
55–59
21,748
17,571
60–64
18,000
24,787
65–74
25,393
12,198
75–84
12,497
5,659
85+
5,798
← Male
Female →

Age summary

GroupCount%
Under 18138,60723.3%
18 and over456,09976.7%
65 and over86,33215.5%
Median age39.0 years

Race & ethnicity

White 34.8%
Hispanic or Latino 21.3%
Black or African American 16.3%
Other race 14.9%
Two or more races 8.1%
Asian 4.4%
American Indian / Alaska Native 0.3%
GroupCount%
White262,69934.8%
Hispanic or Latino160,96421.3%
Black or African American123,17916.3%
Other race112,48214.9%
Two or more races60,9578.1%
Asian33,3044.4%
American Indian / Alaska Native1,9980.3%

Household income

Under $10k 2.7%
$10k–$15k 2.5%
$15k–$25k 4.9%
$25k–$35k 5.3%
$35k–$50k 8.1%
$50k–$75k 13.6%
$75k–$100k 11.5%
$100k–$150k 17.4%
$150k–$200k 12.3%
$200k+ 21.7%
Range% of households
Under $10k2.7%
$10k–$15k2.5%
$15k–$25k4.9%
$25k–$35k5.3%
$35k–$50k8.1%
$50k–$75k13.6%
$75k–$100k11.5%
$100k–$150k17.4%
$150k–$200k12.3%
$200k+21.7%
Median income$106,247

Housing

Home values

Under $50k 2.3%
$50k–$100k 0.4%
$100k–$150k 1.2%
$150k–$200k 2.6%
$200k–$300k 14.5%
$300k–$500k 40.0%
$500k–$1M 33.7%
$1M+ 5.2%

Housing overview

MetricValue
Median home value$486,431
Median rent / month$1,723
Owner occupied62.0%
Renter occupied38.0%
Vacant4.1%
Single-family detached56.0%
Large apartment buildings9.8%
Mobile homes0.2%
Median rooms6.0
Avg household size (owned)2.97

Year built

Era%
2020 or later0.3%
2010–20193.9%
2000–20095.0%
1990–19994.3%
1980–19895.1%
1970–19797.9%
1960–196913.7%
1950–195924.3%
1940–194913.0%
1939 or earlier22.7%

Bedrooms

Size% of units
No bedroom (studio)3.2%
1 bedroom11.8%
2 bedrooms21.7%
3 bedrooms36.6%
4 bedrooms19.8%
5+ bedrooms6.8%

Vehicles per household

Vehicles% of households
No vehicle9.3%
1 vehicle32.7%
2 vehicles38.9%
3 or more19.2%

Heating fuel

Fuel type%
Utility gas83.4%
Electricity8.9%
Propane / LP gas1.5%
Fuel oil5.0%
Solar0.2%
No fuel used0.7%

Households & families

Household typeCount%
Married-couple family104,74852.4%
Cohabiting couple14,1656.0%
Male householder, no spouse31,28114.6%
Female householder, no spouse57,85127.1%
Households with children under 1875,77136.3%
Households with seniors (65+)62,29130.9%
Average household size2.81

Marital status

StatusMaleFemale
Never married36.7%33.1%
Married53.2%47.4%
Separated1.4%1.8%
Widowed2.9%8.2%
Divorced5.8%9.5%

Education

Less than 9th grade 6.3%
Some HS, no diploma 5.0%
HS graduate 25.3%
Some college, no degree 15.7%
Associate's degree 5.6%
Bachelor's degree 24.7%
Graduate / professional 17.4%
Metric%
HS diploma or higher88.7%
Bachelor's or higher42.1%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool11,5567.5%
Kindergarten8,9145.7%
Elementary school61,04442.2%
High school30,85321.2%
College / grad school36,31823.4%

Employment

Industry of employment

Education & healthcare 21.7%
Professional & management 13.3%
Retail trade 9.9%
Finance & real estate 9.2%
Transportation & utilities 9.0%
Manufacturing 8.7%
Construction 7.0%
Arts, food & hospitality 6.8%
Other services 4.5%
Public administration 4.1%
Wholesale trade 3.2%
Information 2.5%
Agriculture & mining 0.2%

Occupation

Category%
Management, business & arts43.3%
Service14.2%
Sales & office21.0%
Natural resources & construction8.2%
Production & transportation13.3%

Employment type

Type%
Private sector81.0%
Government14.6%
Self-employed4.3%
Unpaid family workers0.1%

Commute

Method%
Drive alone64.2%
Carpool7.5%
Public transit9.5%
Walk2.3%
Other means4.0%
Avg commute (minutes)31.6

Poverty

All people 7.7%
Under 18 years 10.0%
18 and over 7.0%
Married-couple families 3.1%
Female-led households 10.1%

Income support

Source% of households
Social Security29.6%
Retirement income22.8%
Supplemental Security3.9%
Cash public assistance2.5%
Food stamps / SNAP6.9%

Health indicators

Condition%
High blood pressure0.0%
High cholesterol0.0%
Heart disease5.4%
Stroke2.8%
Asthma9.1%
Arthritis18.9%
Kidney disease2.7%
Pulmonary disease4.9%
Cancer6.1%
Behavior / access%
Binge drinking16.8%
No physical activity23.2%
Less than 7 hrs sleep34.8%
Fair or poor health13.1%
Poor mental health13.1%
Poor physical health8.9%
No health insurance16.7%
Visited doctor (checkup)75.2%
Visited dentist66.0%
Cholesterol screening0.0%
Teeth loss11.7%

Veterans & disability

VeteransCount%
Civilian veterans13,1793.2%
Disability%
Any disability8.8%
Under 183.7%
18–64 years6.2%
65 and over27.6%

Health insurance coverage

Type%
Private insurance70.3%
Public insurance29.7%
Uninsured under 195.5%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only557,92394.1%
Spanish117,35717.2%
Other Indo-European87,64512.4%
Asian & Pacific Islander22,4073.5%
Other languages4,5060.9%

Place of birth & citizenship

OriginCount%
Native born (US)404,70472.7%
Born in same state388,28970.2%
Born in different state286,71051.5%
Foreign born16,4152.4%
Naturalized citizen190,00227.3%
Not a US citizen99,34458.7%

Ancestry

AncestryCount%
Italian43,8787.4%
Arab22,5623.8%
French14,8212.5%
Irish3,1300.5%
English2,2250.4%
AncestryCount%
Norwegian1,7770.3%
Polish1,5820.3%
German6570.1%
Dutch5750.1%

Technology access

Metric% of households
Computer access35.5%
Internet access94.7%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

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