Postal Codes

08879 ZIP Code

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ZIP code 08879 covers South Amboy, New Jersey, with a population of about 23,263 and a median household income of $98,000.

Population
23,2633,285 per square mile
Median age
40.82.1 points above the US average
Median household income
$98,000about the New Jersey median
Poverty rate
10.3%2.1 points below the US average
Typical home value
$532,176up 32.6% in five years
Median rent
$1,633about the New Jersey median
Degree or higher
31.6%3.4 points below the US average
Homeownership
59.7%5.3 points below the US average
Time zone
Eastern UTC-05:00observes daylight saving time
Businesses
381

Where 08879 is

South Amboy, New Jersey — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population23,263
Median age40.8
Family households70%
Born outside the US21.4%
Speaks a language other than English at home32.1%
White (non-Hispanic)55.1%
Black (non-Hispanic)10.2%
Asian (non-Hispanic)8.9%
Hispanic or Latino22.7%
Veterans5.5%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$98,000
Income per person$44,306
Poverty rate10.3%
Households on SNAP or cash assistance7.2%

Household income distribution

Under $10k2.2%
$10–15k2.4%
$15–20k3.2%
$20–25k3.5%
$25–30k2.6%
$30–35k1.4%
$35–40k2.3%
$40–45k3.7%
$45–50k5.8%
$50–60k5.2%
$60–75k7.4%
$75–100k11.3%
$100–125k11.5%
$125–150k12.7%
$150–200k13.3%
$200k or more11.6%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed12,220
Mean adjusted gross income$79,751
Returns declaring $200,000 or more5.6%
Returns, under $25k22.2%
Returns, $25k–$50k21.4%
Returns, $50k–$75k17.3%
Returns, $75k–$100k12.3%
Returns, $100k–$200k21.2%
Returns, $200k or more5.6%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$377,700
Median gross rent$1,633
Rent as a share of household income26%
Owner-occupied59.7%
Vacant homes5.2%
Median year built1962

What the homes are

Detached house54%
Attached house10%
2 to 4 units14.5%
5 to 19 units12.8%
20 or more units8.6%
Mobile home0.1%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$532,176as of 2026-07
Typical home value, 1 yearup 2.3%
Typical home value, 5 yearsup 32.6%
Typical home value, 10 yearsup 91.3%
Typical asking rent$2,721as of 2026-07
Typical asking rent, 1 yearup 2.8%
Typical home value since 2000
200020132026$532,176$153,827

$153,827 in 2000 to $532,176 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate8.4%
Bachelor's degree or higher31.6%
High school diploma or higher89.5%
Works from home9%
Drives to work alone69.8%
Takes public transport7.8%
Commutes 45 minutes or more27.7%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity33.3% same as the national average of 33.4%
Diagnosed diabetes11% 1 pts below the national average of 12%
Currently smokes12.4% 0.8 pts below the national average of 13.2%
High blood pressure34.3% same as the national average of 34.1%
Fair or poor general health18.1% 2.2 pts below the national average of 20.3%
No health insurance (18–64)10.8% 0.5 pts below the national average of 11.3%
Depression15.4% 6.5 pts below the national average of 21.9%
No leisure-time physical activity25.3% same as the national average of 25.4%
Arthritis23.6% 1.5 pts below the national average of 25.1%
Binge drinking16.5% 0.5 pts above the national average of 16%
Taking blood pressure medication76.1% 1.4 pts above the national average of 74.7%
Cancer (non-skin)7.6% same as the national average of 7.7%
Current asthma9.4% 1 pts below the national average of 10.4%
Coronary heart disease5.5% 0.7 pts below the national average of 6.2%
Routine check-up in past year78.3% 1.6 pts above the national average of 76.7%
Cholesterol screening88.7% 2.8 pts above the national average of 85.9%
Cognitive disability12.5% 2.3 pts below the national average of 14.8%
Colorectal screening65.6% 1.3 pts above the national average of 64.3%
COPD5.6% 1 pts below the national average of 6.6%
Visited a dentist66.6% 5.3 pts above the national average of 61.3%
Any disability26.5% 4.2 pts below the national average of 30.7%
Lacks emotional support23.6% 1.2 pts below the national average of 24.8%
Food insecurity13.8% 3.3 pts below the national average of 17.1%
Received food stamps8% 6.3 pts below the national average of 14.3%
Hearing disability5.7% 1 pts below the national average of 6.7%
High cholesterol38.9% 2.7 pts above the national average of 36.2%
Housing insecurity12% 1.8 pts below the national average of 13.8%
Independent living disability6.9% 1.5 pts below the national average of 8.4%
Lacks transport7.3% 1.9 pts below the national average of 9.2%
Loneliness33.8% 0.6 pts below the national average of 34.4%
Mammography use73.6% 2.3 pts below the national average of 75.9%
Poor mental health (14+ days)15.9% 0.9 pts below the national average of 16.8%
Mobility disability11.9% 2.1 pts below the national average of 14%
Poor physical health (14+ days)12.5% 1 pts below the national average of 13.5%
Self-care disability3.4% 0.6 pts below the national average of 4%
Utility shut-off threat6.7% 2.1 pts below the national average of 8.8%
Sleeps under 7 hours38.4% 2 pts above the national average of 36.4%
Stroke3% same as the national average of 3.4%
All natural teeth lost8.8% 4.2 pts below the national average of 13%
Vision disability4.5% 1.1 pts below the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments381
People employed4,570
Annual payroll$198,667,000
Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 39.7% of US census tracts
FEMA ratingVery Low to Relatively Low across the 8 census tracts this ZIP code covers
Expected annual loss33.1 out of 100
Community resilience35.7 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Coastal flooding89.5Relatively High at its worst in this ZIP code
Winter weather86.9Relatively High at its worst in this ZIP code
Strong wind83.9Relatively High at its worst in this ZIP code
Landslide79.1Relatively Low at its worst in this ZIP code
Ice storm78.7Relatively Moderate at its worst in this ZIP code
Earthquake74.2Relatively Moderate at its worst in this ZIP code
Hurricane72.3Relatively Moderate at its worst in this ZIP code
Wildfire69.6Relatively Low at its worst in this ZIP code
Heat wave58.9Relatively Moderate at its worst in this ZIP code
Cold wave56.8Relatively Moderate at its worst in this ZIP code
Tornado47.7Relatively Low at its worst in this ZIP code
River flooding45.2Relatively Moderate at its worst in this ZIP code
Lightning27.8Relatively Low at its worst in this ZIP code
Hail18.6Very Low at its worst in this ZIP code
Drought12.6Relatively Low at its worst in this ZIP code
Compared with New Jersey and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPNew JerseyUnited States
Median household income$98,000$101,050$78,538
Income per person$44,306$53,118$43,289
Poverty rate10.3%9.8%12.4%
Median home value$377,700$427,600$303,400
Median gross rent$1,633$1,653$1,348
Homeownership59.7%63.7%65%
Bachelor's degree or higher31.6%42.9%35%
Unemployment rate8.4%6.2%5.2%
Works from home9%15%13.5%
Born outside the US21.4%23.5%13.9%
Median age40.840.138.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationNEW BRUNSWICK 3 SE, NJ US12.6 km away
Rain in a year50 in
Snow in a year29 in

Average high and low by month

January40.3°F / 22.9°F3.74 in rain, 8.3 in snow
February42.8°F / 24°F2.97 in rain, 9.3 in snow
March50.6°F / 31°F4.4 in rain, 5.2 in snow
April62.5°F / 40.8°F3.89 in rain, 0.6 in snow
May72.1°F / 50.6°F4.03 in rain
June81.2°F / 60.4°F4.83 in rain
July86.5°F / 65.6°F4.83 in rain
August84.7°F / 64°F4.66 in rain
September78.4°F / 56.5°F4.18 in rain
October66.5°F / 44.2°F4.11 in rain, 0.2 in snow
November55.5°F / 35.2°F3.4 in rain, 0.5 in snow
December45.4°F / 28.4°F4.49 in rain, 4.9 in snow
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarketNone of this ZIP code
Far from a supermarket87% of this ZIP code's area
No vehicle and far from a supermarket49% of this ZIP code's area
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

This ZIP code is served by 3 school districts, so the address decides which one, not the ZIP code.

Old Bridge Township School District45.5% of this ZIP code's land area
Sayreville Borough School District32.7% of this ZIP code's land area
South Amboy City School District21.7% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability46more vulnerable than 46% of US census tracts
Socioeconomic status51more vulnerable than 51% of US census tracts
Household characteristics46more vulnerable than 46% of US census tracts
Racial and ethnic minority status63more vulnerable than 63% of US census tracts
Housing type and transport34more vulnerable than 34% of US census tracts
Walkability11.2 out of 20Above average
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

08859 Parlin, NJ2.7 km away
07721 Cliffwood, NJ4.6 km away
10307 Staten Island, NY5.5 km away
08861 Perth Amboy, NJ6 km away
08872 Sayreville, NJ6.2 km away
08832 Keasbey, NJ6.6 km away
07747 Matawan, NJ6.7 km away
07735 Keyport, NJ7.2 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Middlesex County100% of this ZIP code's land area
Time zoneEastern (UTC-05:00 standard)
Daylight saving timeObserved
Land area7.08 sq mi
Water area0.51 sq mi
Population density3,285 people per sq mi
Latitude, longitude40.4640, -74.2742

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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