08830 ZIP Code — Iselin, NJ

Middlesex County, New Jersey

ZIP code 08830 is located in Iselin, New Jersey, within Middlesex County. It covers approximately 3.16 square miles and serves a population of 18,511 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 732/908.

About ZIP code 08830

The housing stock consists of a mix of housing types. Most homes were built in the 1950s, giving the area an established character. Median home value is $369,700. Owner-occupancy sits near the national average at 69%.

The gap between median ($109,646) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 5% is below the national average. 32% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. An above-average commute of 37 minutes suggests many residents work outside the immediate area.

Educational attainment is high — 53% of residents hold a bachelor's degree or higher, well above the national average of 33%.

Overall, ZIP code 08830 reflects a community defined by a highly educated population and a significant Social Security-dependent population.

18,511

population

3.16

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

08830 ZIP code map

Cities in ZIP code 08830

Below are the cities the US Postal Service accepts for ZIP code 08830. Using any city not on this list may result in mail delivery delays.

City	Status
Iselin	Preferred

Nearby ZIP codes

07095 Woodbridge (1.6 mi) 08863 Fords (2.1 mi) 08840 Metuchen (2.5 mi) 07001 Avenel (2.6 mi) 08820 Edison (2.8 mi) 07065 Rahway (3.3 mi) 07064 Port Reading (3.5 mi) 07077 Sewaren (3.5 mi) 08861 Perth Amboy (3.9 mi) 08837 Edison (4 mi) 08832 Keasbey (4.2 mi) 07008 Carteret (4.4 mi)

Demographics updated 05/2026

Population
Total population	18,511
Population density	5,858 / sq mi
State FIPS	34
County FIPS	023

Geography
Land area	3.16 sq mi
Water area	0.00 sq mi
Latitude	40.5693
Longitude	-74.3150
Timezone	Eastern (ET)
Area code	732/908

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	23.4%	26.5%	30.2%
$50k – $100k	26.0%	27.5%	26.7%
$100k – $200k	37.7%	31.9%	28.3%
Over $200k	12.8%	14.1%	14.8%

Demographics & statistics

18,511

Population

5,858

People per sq mi

40.4

Median age

$109,646

Median household income

$47,795

Per capita income

$369,700

Median home value

$1,999

Median monthly rent

68.7%

Home ownership

5.4%

Poverty rate

3.0%

Unemployment

4,790

Housing units

53.3%

Bachelor's or higher

Age distribution

Male Female

371

Under 5

375

644

5–9

652

402

10–14

406

574

15–19

581

464

20–24

469

1,336

25–34

1,352

1,311

35–44

1,327

1,121

45–54

1,135

660

55–59

669

644

60–64

652

1,138

65–74

1,151

440

75–84

445

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	3,269	17.7%
18 and over	15,242	82.3%
65 and over	3,366	18.2%
Median age	40.4 years

Race & ethnicity

Asian 48.3%

White 26.4%

Black or African American 7.5%

Two or more races 7.1%

Hispanic or Latino 6.9%

Other race 3.2%

American Indian / Alaska Native 0.6%

Group	Count	%
Asian	9,596	48.3%
White	5,257	26.4%
Black or African American	1,496	7.5%
Two or more races	1,403	7.1%
Hispanic or Latino	1,372	6.9%
Other race	639	3.2%
American Indian / Alaska Native	120	0.6%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	23.4%	26.5%	30.2%
$50k – $100k	26.0%	27.5%	26.7%
$100k – $200k	37.7%	31.9%	28.3%
Over $200k	12.8%	14.1%	14.8%

Under $10k 2.2%

$10k–$15k 2.3%

$15k–$25k 4.1%

$25k–$35k 3.1%

$35k–$50k 7.3%

$50k–$75k 9.0%

$75k–$100k 14.7%

$100k–$150k 21.5%

$150k–$200k 14.4%

$200k+ 21.4%

Range	% of households
Under $10k	2.2%
$10k–$15k	2.3%
$15k–$25k	4.1%
$25k–$35k	3.1%
$35k–$50k	7.3%
$50k–$75k	9.0%
$75k–$100k	14.7%
$100k–$150k	21.5%
$150k–$200k	14.4%
$200k+	21.4%
Median income	$109,646

Housing

Home values

Under $50k 1.9%

$50k–$100k 0.3%

$100k–$150k 0.6%

$150k–$200k 1.6%

$200k–$300k 21.5%

$300k–$500k 58.9%

$500k–$1M 14.7%

$1M+ 0.5%

Housing overview

Metric	Value
Median home value	$369,700
Median rent / month	$1,999
Owner occupied	68.7%
Renter occupied	31.3%
Vacant	5.3%
Single-family detached	66.7%
Large apartment buildings	11.4%
Mobile homes	0.2%
Median rooms	5.6
Avg household size (owned)	2.92

Year built

Era	%
2020 or later	0.0%
2010–2019	2.4%
2000–2009	5.1%
1990–1999	5.2%
1980–1989	14.6%
1970–1979	6.4%
1960–1969	14.9%
1950–1959	30.6%
1940–1949	16.4%
1939 or earlier	4.4%

Bedrooms

Size	% of units
No bedroom (studio)	0.9%
1 bedroom	12.0%
2 bedrooms	29.6%
3 bedrooms	31.4%
4 bedrooms	23.3%
5+ bedrooms	2.8%

Vehicles per household

Vehicles	% of households
No vehicle	6.9%
1 vehicle	38.7%
2 vehicles	36.2%
3 or more	18.3%

Heating fuel

Fuel type	%
Utility gas	86.2%
Electricity	5.4%
Propane / LP gas	0.8%
Fuel oil	6.0%
Solar	0.1%
No fuel used	1.2%

Households & families

Household type	Count	%
Married-couple family	4,222	65.5%
Cohabiting couple	147	2.3%
Male householder, no spouse	828	12.8%
Female householder, no spouse	1,247	19.4%
Households with children under 18	2,147	33.3%
Households with seniors (65+)	2,430	37.7%
Average household size	2.87

Marital status

Status	Male	Female
Never married	26.7%	28.1%
Married	66.4%	57.3%
Separated	0.5%	1.4%
Widowed	3.5%	7.8%
Divorced	2.9%	5.3%

Education

Less than 9th grade 1.9%

Some HS, no diploma 8.0%

HS graduate 22.7%

Some college, no degree 11.1%

Associate's degree 3.1%

Bachelor's degree 27.8%

Graduate / professional 25.5%

Metric	%
HS diploma or higher	90.1%
Bachelor's or higher	53.3%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	354	8.4%
Kindergarten	130	3.1%
Elementary school	1,748	41.5%
High school	576	13.7%
College / grad school	1,406	33.4%

Employment

Industry of employment

Education & healthcare 21.0%

Professional & management 16.9%

Transportation & utilities 13.3%

Finance & real estate 11.1%

Manufacturing 10.7%

Retail trade 10.4%

Arts, food & hospitality 4.2%

Public administration 3.3%

Construction 3.1%

Wholesale trade 2.6%

Information 2.5%

Other services 0.9%

Occupation

Category	%
Management, business & arts	53.2%
Service	11.2%
Sales & office	21.6%
Natural resources & construction	3.9%
Production & transportation	10.0%

Employment type

Type	%
Private sector	85.3%
Government	13.0%
Self-employed	1.6%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	58.4%
Carpool	3.5%
Public transit	15.5%
Walk	3.2%
Work from home	15.9%
Other means	3.5%
Avg commute (minutes)	37.4

Poverty

All people 5.4%

Under 18 years 6.8%

18 and over 5.1%

Married-couple families 3.4%

Female-led households 2.0%

Income support

Source	% of households
Social Security	32.3%
Retirement income	27.2%
Supplemental Security	5.1%
Cash public assistance	2.1%
Food stamps / SNAP	5.3%

Health indicators

Condition	%
Obesity	19.6%
High blood pressure	0.0%
High cholesterol	0.0%
Diabetes	9.1%
Heart disease	5.2%
Stroke	2.4%
Asthma	7.6%
Arthritis	16.5%
Kidney disease	2.2%
Pulmonary disease	4.3%
Cancer	5.5%

Behavior / access	%
Smoking	10.8%
Binge drinking	14.2%
No physical activity	20.3%
Less than 7 hrs sleep	33.8%
Depression	12.5%
Fair or poor health	9.8%
Poor mental health	11.5%
Poor physical health	7.0%
No health insurance	12.5%
Visited doctor (checkup)	75.1%
Visited dentist	66.9%
Cholesterol screening	0.0%
Teeth loss	9.4%

Veterans & disability

Veterans	Count	%
Civilian veterans	369	2.4%

Disability	%
Any disability	9.5%
Under 18	6.1%
18–64 years	6.2%
65 and over	24.6%

Health insurance coverage

Type	%
Private insurance	80.7%
Public insurance	25.8%
No insurance	2.8%
Uninsured under 19	0.9%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	17,765	96.0%
Spanish	3,196	18.0%
Other Indo-European	495	2.8%
Asian & Pacific Islander	2,217	12.5%
Other languages	441	2.5%

Place of birth & citizenship

Origin	Count	%
Native born (US)	9,072	49.0%
Born in same state	8,486	45.8%
Born in different state	6,514	35.2%
Foreign born	586	3.2%
Naturalized citizen	9,439	51.0%
Not a US citizen	5,062	53.6%

Ancestry

Ancestry	Count	%
Italian	1,382	7.5%
Irish	466	2.5%
Arab	305	1.6%
French	218	1.2%

Ancestry	Count	%
English	36	0.2%
Dutch	27	0.1%
Polish	25	0.1%

Technology access

Metric	% of households
Computer access	34.8%
Internet access	95.5%

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

Frequently asked questions about ZIP code 08830

What city is ZIP code 08830 in?

ZIP code 08830 is primarily assigned to Iselin, New Jersey.

What county is ZIP code 08830 in?

ZIP code 08830 falls within Middlesex County, New Jersey.

How educated is the population of ZIP code 08830?

53% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

What is the typical home value in ZIP code 08830?

The median home value in ZIP code 08830 is $369,700.

What is the median household income in ZIP code 08830?

The median household income in ZIP code 08830 is $109,646, above the national median of ~$75,000.

What is the population of ZIP code 08830?

ZIP code 08830 has an estimated population of 18,511 residents, with a density of 5,854 people per square mile.

What timezone is ZIP code 08830 in?

ZIP code 08830 observes the EST timezone.