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New Jersey ZIP Codes
Middlesex County
South Amboy, NJ
08879
08879 ZIP Code — South Amboy, NJ
Middlesex County, New Jersey
ZIP code 08879 is located in
South Amboy ,
New Jersey ,
within Middlesex County .
It covers approximately 7.08 square miles and serves a population of
22,514 residents.
This is a standard ZIP code in the Eastern (ET) timezone,
served by area code 732 .
About ZIP code 08879
The housing stock consists of a mix of housing types. Most homes were built in the pre-1940, giving the area an established character. Median home value is $355,600. Owner-occupancy sits near the national average at 59%.
Median household income is $93,243.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. An above-average commute of 36 minutes suggests many residents work outside the immediate area.
Educational attainment is near the national average, with 31% of residents holding a bachelor's degree or higher.
08879 ZIP code map
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Cities in ZIP code 08879
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Nearby ZIP codes
Demographics
updated 06/2026
Population
Total population
22,514
Population density
3,180 / sq mi
State FIPS
34
County FIPS
023
Geography
Land area
7.08 sq mi
Water area
0.51 sq mi
Latitude
40.4674
Longitude
-74.2758
Timezone
Eastern (ET)
Area code
732
Economics
updated 06/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
31.8%
26.5%
30.2%
$50k – $100k
30.9%
27.5%
26.7%
$100k – $200k
28.7%
31.9%
28.3%
Over $200k
8.6%
14.1%
14.8%
Demographics & statistics
$93,243
Median household income
$355,600
Median home value
$1,641
Median monthly rent
31.4%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 4,077 18.1%
18 and over 18,437 81.9%
65 and over 3,766 16.7%
Median age 41.7 years
Race & ethnicity
Black or African American
9.5%
American Indian / Alaska Native
0.4%
Group Count %
White 13,776 52.4%
Hispanic or Latino 3,752 14.3%
Two or more races 2,578 9.8%
Black or African American 2,496 9.5%
Asian 2,090 8%
Other race 1,470 5.6%
American Indian / Alaska Native 104 0.4%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
31.8%
26.5%
30.2%
$50k – $100k
30.9%
27.5%
26.7%
$100k – $200k
28.7%
31.9%
28.3%
Over $200k
8.6%
14.1%
14.8%
Range % of households
Under $10k 1.8%
$10k–$15k 2.3%
$15k–$25k 6.0%
$25k–$35k 4.8%
$35k–$50k 12.0%
$50k–$75k 14.7%
$75k–$100k 13.0%
$100k–$150k 22.8%
$150k–$200k 13.1%
$200k+ 9.5%
Median income $93,243
Housing
Housing overview
Metric Value
Median home value $355,600
Median rent / month $1,641
Owner occupied 59.0%
Renter occupied 41.0%
Vacant 5.3%
Single-family detached 53.1%
Large apartment buildings 10.0%
Mobile homes 0.0%
Median rooms 5.4
Avg household size (owned) 2.63
Year built
Era %
2020 or later 0.0%
2010–2019 5.9%
2000–2009 11.4%
1990–1999 5.5%
1980–1989 5.9%
1970–1979 7.3%
1960–1969 17.7%
1950–1959 15.8%
1940–1949 7.0%
1939 or earlier 23.6%
Bedrooms
Size % of units
No bedroom (studio) 2.2%
1 bedroom 18.6%
2 bedrooms 28.4%
3 bedrooms 34.6%
4 bedrooms 13.6%
5+ bedrooms 2.5%
Vehicles per household
Vehicles % of households
No vehicle 7.1%
1 vehicle 35.1%
2 vehicles 38.1%
3 or more 19.7%
Heating fuel
Fuel type %
Utility gas 78.3%
Electricity 14.1%
Propane / LP gas 1.6%
Fuel oil 3.9%
Wood 0.2%
Solar 0.1%
No fuel used 1.5%
Households & families
Household type Count %
Married-couple family 4,390 47.7%
Cohabiting couple 381 4.1%
Male householder, no spouse 1,879 20.4%
Female householder, no spouse 2,559 27.8%
Households with children under 18 2,556 27.8%
Households with seniors (65+) 2,819 30.6%
Average household size 2.44
Marital status
Status Male Female
Never married 32.3% 27.6%
Married 53.6% 50.2%
Separated 1.1% 1.5%
Widowed 1.4% 7.7%
Divorced 11.7% 13.1%
Education
Some college, no degree
19.0%
Graduate / professional
11.2%
Metric %
HS diploma or higher 91.4%
Bachelor's or higher 31.4%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 222 5.0%
Kindergarten 136 3.0%
Elementary school 1,890 42.3%
High school 834 18.7%
College / grad school 1,381 30.9%
Employment
Industry of employment
Education & healthcare
23.1%
Finance & real estate
12.0%
Transportation & utilities
11.6%
Professional & management
11.1%
Arts, food & hospitality
4.9%
Public administration
4.4%
Agriculture & mining
0.2%
Occupation
Category %
Management, business & arts 36.6%
Service 13.0%
Sales & office 24.9%
Natural resources & construction 9.2%
Production & transportation 16.2%
Employment type
Type %
Private sector 81.9%
Government 14.8%
Self-employed 3.3%
Unpaid family workers 0.0%
Commute
Method %
Drive alone 69.9%
Carpool 10.3%
Public transit 8.6%
Walk 0.8%
Work from home 7.5%
Other means 2.9%
Avg commute (minutes) 36.1
Poverty
Married-couple families
4.0%
Female-led households
12.8%
Income support
Source % of households
Social Security 27.7%
Retirement income 26.5%
Supplemental Security 4.7%
Cash public assistance 1.1%
Food stamps / SNAP 6.2%
Health indicators
Condition %
Obesity 25.4%
High blood pressure 0.0%
High cholesterol 0.0%
Diabetes 8.6%
Heart disease 5.5%
Stroke 2.5%
Asthma 9.2%
Arthritis 18.2%
Kidney disease 2.4%
Pulmonary disease 5.4%
Cancer 5.7%
Behavior / access %
Smoking 14.1%
Binge drinking 18.7%
No physical activity 20.1%
Less than 7 hrs sleep 34.2%
Depression 16.8%
Fair or poor health 11.2%
Poor mental health 14.4%
Poor physical health 8.5%
No health insurance 14.0%
Visited doctor (checkup) 74.4%
Visited dentist 66.1%
Cholesterol screening 0.0%
Teeth loss 10.9%
Veterans & disability
Veterans Count %
Civilian veterans 1,211 6.6%
Disability %
Any disability 12.0%
Under 18 6.6%
18–64 years 7.4%
65 and over 35.7%
Health insurance coverage
Type %
Private insurance 74.4%
Public insurance 31.3%
No insurance 6.2%
Uninsured under 19 2.3%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 21,411 95.1%
Spanish 2,267 10.6%
Other Indo-European 924 4.3%
Asian & Pacific Islander 1,065 5.0%
Other languages 182 0.9%
Place of birth & citizenship
Origin Count %
Native born (US) 17,712 78.7%
Born in same state 16,806 74.6%
Born in different state 12,599 56.0%
Foreign born 906 4.0%
Naturalized citizen 4,802 21.3%
Not a US citizen 3,524 73.4%
Ancestry
Ancestry Count %
Italian 3,606 16%
French 591 2.6%
Arab 435 1.9%
Irish 283 1.3%
Ancestry Count %
English 163 0.7%
Dutch 66 0.3%
Polish 35 0.2%
German 22 0.1%
Technology access
Metric % of households
Computer access 40.9%
Internet access 93.5%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 08879
What city is ZIP code 08879 in?
ZIP code 08879 is primarily assigned to South Amboy, New Jersey.
What county is ZIP code 08879 in?
ZIP code 08879 falls within Middlesex County, New Jersey.
What is the typical home value in ZIP code 08879?
The median home value in ZIP code 08879 is $355,600.
What is the population of ZIP code 08879?
ZIP code 08879 has an estimated population of 22,514 residents, with a density of 3,179 people per square mile.
What is the median household income in ZIP code 08879?
The median household income in ZIP code 08879 is $93,243, above the national median of ~$75,000.
What timezone is ZIP code 08879 in?
ZIP code 08879 observes the EST timezone.
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