Postal Codes

08830 ZIP Code

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ZIP code 08830 covers Iselin, New Jersey, with a population of about 19,151 and a median household income of $112,615.

Population
19,1516,057 per square mile
Median age
38.4about the US average
Median household income
$112,6151.1× the New Jersey median
Poverty rate
6.4%6 points below the US average
Typical home value
$568,366up 43.4% in five years
Median rent
$2,0511.2× the New Jersey median
Degree or higher
55%20 points above the US average
Homeownership
66.2%1.2 points above the US average
Time zone
Eastern UTC-05:00observes daylight saving time
Businesses
780

Where 08830 is

Iselin, 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

Population19,151
Median age38.4
Family households84.1%
Born outside the US54.3%
Speaks a language other than English at home64.1%
White (non-Hispanic)22.8%
Black (non-Hispanic)8.1%
Asian (non-Hispanic)54.2%
Hispanic or Latino10.7%
Veterans1.8%
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$112,615
Income per person$46,000
Poverty rate6.4%
Households on SNAP or cash assistance9.3%

Household income distribution

Under $10k2.4%
$10–15k2.7%
$15–20k2.1%
$20–25k1.0%
$25–30k1.2%
$30–35k1.9%
$35–40k2.2%
$40–45k3.3%
$45–50k1.9%
$50–60k5.5%
$60–75k3.6%
$75–100k14.6%
$100–125k12.9%
$125–150k7.7%
$150–200k15.1%
$200k or more21.9%

Income as declared to the IRS

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

Tax returns filed9,860
Mean adjusted gross income$101,449
Returns declaring $200,000 or more8.3%
Returns, under $25k23.4%
Returns, $25k–$50k19.1%
Returns, $50k–$75k14.9%
Returns, $75k–$100k11.9%
Returns, $100k–$200k22.4%
Returns, $200k or more8.3%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$394,200
Median gross rent$2,051
Rent as a share of household income30.2%
Owner-occupied66.2%
Vacant homes4%
Median year built1961

What the homes are

Detached house66.8%
Attached house2.9%
2 to 4 units3.2%
5 to 19 units14.1%
20 or more units12.9%
Mobile home0.2%
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$568,366as of 2026-07
Typical home value, 1 yearup 3.2%
Typical home value, 5 yearsup 43.4%
Typical home value, 10 yearsup 85.5%
Typical asking rent$2,728as of 2026-07
Typical asking rent, 1 yearup 2.6%
Typical home value since 2000
200020132026$568,366$173,023

$173,023 in 2000 to $568,366 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate3.1%
Bachelor's degree or higher55%
High school diploma or higher88.9%
Works from home17.8%
Drives to work alone53.4%
Takes public transport14.4%
Commutes 45 minutes or more36.1%
Health

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

Obesity24% 9.4 pts below the national average of 33.4%
Diagnosed diabetes11.5% 0.5 pts below the national average of 12%
Currently smokes8.9% 4.3 pts below the national average of 13.2%
High blood pressure31.7% 2.4 pts below the national average of 34.1%
Fair or poor general health15.1% 5.2 pts below the national average of 20.3%
No health insurance (18–64)8.1% 3.2 pts below the national average of 11.3%
Depression10.6% 11.3 pts below the national average of 21.9%
No leisure-time physical activity24.8% 0.6 pts below the national average of 25.4%
Arthritis18.8% 6.3 pts below the national average of 25.1%
Binge drinking12.1% 3.9 pts below the national average of 16%
Taking blood pressure medication77.5% 2.8 pts above the national average of 74.7%
Cancer (non-skin)5.8% 1.9 pts below the national average of 7.7%
Current asthma7.4% 3 pts below the national average of 10.4%
Coronary heart disease4.7% 1.5 pts below the national average of 6.2%
Routine check-up in past year79.4% 2.7 pts above the national average of 76.7%
Cholesterol screening89.6% 3.7 pts above the national average of 85.9%
Cognitive disability9% 5.8 pts below the national average of 14.8%
Colorectal screening63.2% 1.1 pts below the national average of 64.3%
COPD3.8% 2.8 pts below the national average of 6.6%
Visited a dentist68.4% 7.1 pts above the national average of 61.3%
Any disability21.2% 9.5 pts below the national average of 30.7%
Lacks emotional support27.2% 2.4 pts above the national average of 24.8%
Food insecurity12.3% 4.8 pts below the national average of 17.1%
Received food stamps5.6% 8.7 pts below the national average of 14.3%
Hearing disability4.7% 2 pts below the national average of 6.7%
High cholesterol39.9% 3.7 pts above the national average of 36.2%
Housing insecurity9.2% 4.6 pts below the national average of 13.8%
Independent living disability5% 3.4 pts below the national average of 8.4%
Lacks transport5.9% 3.3 pts below the national average of 9.2%
Loneliness34.5% same as the national average of 34.4%
Mammography use75.4% 0.5 pts below the national average of 75.9%
Poor mental health (14+ days)12.1% 4.7 pts below the national average of 16.8%
Mobility disability9.5% 4.5 pts below the national average of 14%
Poor physical health (14+ days)9.8% 3.7 pts below the national average of 13.5%
Self-care disability2.4% 1.6 pts below the national average of 4%
Utility shut-off threat4.6% 4.2 pts below the national average of 8.8%
Sleeps under 7 hours38% 1.6 pts above the national average of 36.4%
Stroke2.6% 0.8 pts below the national average of 3.4%
All natural teeth lost8.5% 4.5 pts below the national average of 13%
Vision disability3.8% 1.8 pts below the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments780
People employed21,361
Annual payroll$2,358,309,000
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 50.3% of US census tracts
FEMA ratingVery Low to Relatively Moderate across the 6 census tracts this ZIP code covers
Expected annual loss51.7 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.

Winter weather88.1Relatively High at its worst in this ZIP code
Strong wind83.7Relatively High at its worst in this ZIP code
Ice storm76Relatively Moderate at its worst in this ZIP code
River flooding70.5Relatively High at its worst in this ZIP code
Hurricane69.2Relatively Moderate at its worst in this ZIP code
Earthquake66.9Relatively Low at its worst in this ZIP code
Landslide62.9Very Low at its worst in this ZIP code
Heat wave60.6Relatively Moderate at its worst in this ZIP code
Cold wave57.8Relatively Moderate at its worst in this ZIP code
Tornado48.9Relatively Moderate at its worst in this ZIP code
Coastal flooding39Relatively Low at its worst in this ZIP code
Lightning28.2Relatively Low at its worst in this ZIP code
Hail19.9Very Low at its worst in this ZIP code
Wildfire5.6Very 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$112,615$101,050$78,538
Income per person$46,000$53,118$43,289
Poverty rate6.4%9.8%12.4%
Median home value$394,200$427,600$303,400
Median gross rent$2,051$1,653$1,348
Homeownership66.2%63.7%65%
Bachelor's degree or higher55%42.9%35%
Unemployment rate3.1%6.2%5.2%
Works from home17.8%15%13.5%
Born outside the US54.3%23.5%13.9%
Median age38.440.138.7
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 stationPLAINFIELD, NJ US8.1 km away
Rain in a year49 in
Snow in a year21 in

Average high and low by month

January40.7°F / 23.8°F3.79 in rain, 5.1 in snow
February44.2°F / 25.7°F3.14 in rain, 8.3 in snow
March52.9°F / 32.1°F4.27 in rain, 5.3 in snow
April65.7°F / 41.7°F3.6 in rain, 0.1 in snow
May74.9°F / 51.3°F4.01 in rain
June83.7°F / 60.3°F4.33 in rain
July88.1°F / 66°F5.34 in rain
August86°F / 64°F3.99 in rain
September79.4°F / 57.5°F4.27 in rain
October66.3°F / 45.7°F4.31 in rain
November55.7°F / 35.9°F3.48 in rain, 0.2 in snow
December45.7°F / 29.4°F4.19 in rain, 2.4 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 supermarketNone of this ZIP code
No vehicle and far from a supermarket23% 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%.

Woodbridge Township School District100% 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 vulnerability45more vulnerable than 45% of US census tracts
Socioeconomic status30more vulnerable than 30% of US census tracts
Household characteristics56more vulnerable than 56% of US census tracts
Racial and ethnic minority status81more vulnerable than 81% of US census tracts
Housing type and transport46more vulnerable than 46% of US census tracts
Walkability14.1 out of 20Above average
Nearby ZIP codes

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

07067 Colonia, NJ2.5 km away
07095 Woodbridge, NJ3.2 km away
07001 Avenel, NJ3.5 km away
08863 Fords, NJ3.6 km away
08820 Edison, NJ3.6 km away
08840 Metuchen, NJ4.2 km away
08837 Edison, NJ4.7 km away
07065 Rahway, NJ5.1 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 area3.16 sq mi
Population density6,057 people per sq mi
Latitude, longitude40.5716, -74.3167

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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