08812 ZIP Code — Dunellen, NJ
Middlesex County, New Jersey
ZIP code 08812 is located in Dunellen, New Jersey, within Middlesex County. It covers approximately 5.08 square miles and serves a population of 14,054 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 732/848.
About ZIP code 08812
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 $413,100. Owner-occupancy is high at 76%, well above the national average.
The gap between median ($115,481) and mean household income suggests income inequality — a small number of higher earners pull the average up.
The dominant occupation class is management, business, and professional, with professional and management as the leading industry. The average commute of 30 minutes is near the national average.
Educational attainment is near the national average, with 42% of residents holding a bachelor's degree or higher.
14,054
population
5.08
sq mi land
Standard
ZIP type
Eastern (ET)
timezone
08812 ZIP code map
Cities in ZIP code 08812
Below are the cities the US Postal Service accepts for ZIP code 08812. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Dunellen | Acceptable |
| Dunellen | Preferred |
Nearby ZIP codes
08846 Middlesex (1.9 mi)
07063 Plainfield (2.1 mi)
07060 Plainfield (3.3 mi)
08805 Bound Brook (3.4 mi)
08854 Piscataway (3.5 mi)
07069 Watchung (3.6 mi)
08836 Martinsville (3.7 mi)
08880 South Bound Brook (4.1 mi)
07080 South Plainfield (4.2 mi)
07062 Plainfield (4.8 mi)
07946 Millington (5.6 mi)
07980 Stirling (5.7 mi)
Demographics
updated 05/2026
| Population | |
|---|---|
| Total population | 14,054 |
| Population density | 2,767 / sq mi |
| State FIPS | 34 |
| County FIPS | 023 |
| Geography | |
|---|---|
| Land area | 5.08 sq mi |
| Water area | 0.01 sq mi |
| Latitude | 40.5998 |
| Longitude | -74.4843 |
| Timezone | Eastern (ET) |
| Area code | 732/848 |
Total population by age
Gender
Race & ethnicity
Economics
updated 05/2026
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 22.0% | 26.5% | 30.2% |
| $50k – $100k | 25.0% | 27.5% | 26.7% |
| $100k – $200k | 29.3% | 31.9% | 28.3% |
| Over $200k | 23.7% | 14.1% | 14.8% |
Demographics & statistics
14,054
Population
2,767
People per sq mi
40.7
Median age
$115,481
Median household income
$51,119
Per capita income
$413,100
Median home value
$1,518
Median monthly rent
76.3%
Home ownership
14.1%
Poverty rate
4.9%
Unemployment
3,935
Housing units
42.3%
Bachelor's or higher
Age distribution
Male
Female
247
Under 5
204
445
5–9
368
518
10–14
429
782
15–19
646
587
20–24
485
604
25–34
499
1,199
35–44
991
1,072
45–54
886
658
55–59
545
579
60–64
479
537
65–74
445
325
75–84
268
140
85+
116
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 3,172 | 22.6% |
| 18 and over | 10,882 | 77.4% |
| 65 and over | 1,831 | 13.0% |
| Median age | 40.7 years | |
Race & ethnicity
White
38.1%
Hispanic or Latino
23.1%
Other race
15.9%
Asian
11.8%
Two or more races
8.7%
Black or African American
2.2%
American Indian / Alaska Native
0.1%
| Group | Count | % |
|---|---|---|
| White | 6,963 | 38.1% |
| Hispanic or Latino | 4,223 | 23.1% |
| Other race | 2,903 | 15.9% |
| Asian | 2,164 | 11.8% |
| Two or more races | 1,594 | 8.7% |
| Black or African American | 409 | 2.2% |
| American Indian / Alaska Native | 21 | 0.1% |
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 22.0% | 26.5% | 30.2% |
| $50k – $100k | 25.0% | 27.5% | 26.7% |
| $100k – $200k | 29.3% | 31.9% | 28.3% |
| Over $200k | 23.7% | 14.1% | 14.8% |
Under $10k
6.2%
$10k–$15k
3.3%
$15k–$25k
2.1%
$25k–$35k
1.5%
$35k–$50k
8.1%
$50k–$75k
10.0%
$75k–$100k
12.7%
$100k–$150k
15.5%
$150k–$200k
11.3%
$200k+
29.3%
| Range | % of households |
|---|---|
| Under $10k | 6.2% |
| $10k–$15k | 3.3% |
| $15k–$25k | 2.1% |
| $25k–$35k | 1.5% |
| $35k–$50k | 8.1% |
| $50k–$75k | 10.0% |
| $75k–$100k | 12.7% |
| $100k–$150k | 15.5% |
| $150k–$200k | 11.3% |
| $200k+ | 29.3% |
| Median income | $115,481 |
Housing
Home values
Under $50k
3.6%
$50k–$100k
0.2%
$100k–$150k
0.7%
$150k–$200k
1.2%
$200k–$300k
18.4%
$300k–$500k
45.1%
$500k–$1M
27.3%
$1M+
3.5%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $413,100 |
| Median rent / month | $1,518 |
| Owner occupied | 76.3% |
| Renter occupied | 23.7% |
| Vacant | 9.6% |
| Single-family detached | 67.0% |
| Large apartment buildings | 4.5% |
| Mobile homes | 0.3% |
| Median rooms | 6.1 |
| Avg household size (owned) | 3.03 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.0% |
| 2010–2019 | 4.9% |
| 2000–2009 | 9.0% |
| 1990–1999 | 12.5% |
| 1980–1989 | 5.1% |
| 1970–1979 | 10.8% |
| 1960–1969 | 8.4% |
| 1950–1959 | 20.5% |
| 1940–1949 | 5.7% |
| 1939 or earlier | 23.0% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 2.9% |
| 1 bedroom | 5.8% |
| 2 bedrooms | 23.4% |
| 3 bedrooms | 36.4% |
| 4 bedrooms | 24.8% |
| 5+ bedrooms | 6.6% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 4.0% |
| 1 vehicle | 27.5% |
| 2 vehicles | 42.7% |
| 3 or more | 25.8% |
Heating fuel
| Fuel type | % |
|---|---|
| Utility gas | 76.9% |
| Electricity | 11.5% |
| Propane / LP gas | 2.0% |
| Fuel oil | 9.6% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 2,564 | 56.6% |
| Cohabiting couple | 217 | 4.8% |
| Male householder, no spouse | 754 | 16.6% |
| Female householder, no spouse | 995 | 22.0% |
| Households with children under 18 | 1,703 | 37.6% |
| Households with seniors (65+) | 1,284 | 28.3% |
| Average household size | 3.04 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 43.1% | 31.5% |
| Married | 49.7% | 48.3% |
| Separated | 0.6% | 1.6% |
| Widowed | 1.0% | 8.2% |
| Divorced | 5.6% | 10.4% |
Education
Less than 9th grade
3.0%
Some HS, no diploma
5.8%
HS graduate
31.3%
Some college, no degree
11.7%
Associate's degree
5.8%
Bachelor's degree
30.0%
Graduate / professional
12.3%
| Metric | % |
|---|---|
| HS diploma or higher | 91.1% |
| Bachelor's or higher | 42.3% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 264 | 6.9% |
| Kindergarten | 95 | 2.5% |
| Elementary school | 1,528 | 39.7% |
| High school | 1,005 | 26.1% |
| College / grad school | 954 | 24.8% |
Employment
Industry of employment
Professional & management
17.3%
Education & healthcare
16.6%
Finance & real estate
10.2%
Retail trade
9.9%
Construction
9.5%
Manufacturing
7.3%
Arts, food & hospitality
7.2%
Transportation & utilities
6.6%
Wholesale trade
5.0%
Other services
4.8%
Information
2.9%
Public administration
2.8%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 46.6% |
| Service | 9.6% |
| Sales & office | 22.4% |
| Natural resources & construction | 9.8% |
| Production & transportation | 11.7% |
Employment type
| Type | % |
|---|---|
| Private sector | 86.9% |
| Government | 8.1% |
| Self-employed | 5.0% |
| Unpaid family workers | 0.0% |
Commute
| Method | % |
|---|---|
| Drive alone | 71.9% |
| Carpool | 9.0% |
| Public transit | 5.2% |
| Walk | 0.3% |
| Work from home | 10.5% |
| Other means | 3.1% |
| Avg commute (minutes) | 30.0 |
Poverty
All people
14.1%
Under 18 years
21.2%
18 and over
12.0%
Married-couple families
10.3%
Female-led households
19.4%
Income support
| Source | % of households |
|---|---|
| Social Security | 25.9% |
| Retirement income | 20.1% |
| Supplemental Security | 2.0% |
| Cash public assistance | 5.2% |
| Food stamps / SNAP | 8.3% |
Health indicators
| Condition | % |
|---|---|
| Obesity | 25.4% |
| High blood pressure | 0.0% |
| High cholesterol | 0.0% |
| Diabetes | 8.2% |
| Heart disease | 5.1% |
| Stroke | 2.2% |
| Asthma | 8.5% |
| Arthritis | 17.9% |
| Kidney disease | 2.3% |
| Pulmonary disease | 4.5% |
| Cancer | 5.8% |
| Behavior / access | % |
|---|---|
| Smoking | 11.8% |
| Binge drinking | 17.7% |
| No physical activity | 18.2% |
| Less than 7 hrs sleep | 32.7% |
| Depression | 16.4% |
| Fair or poor health | 10.1% |
| Poor mental health | 12.9% |
| Poor physical health | 7.6% |
| No health insurance | 12.9% |
| Visited doctor (checkup) | 74.2% |
| Visited dentist | 68.6% |
| Cholesterol screening | 0.0% |
| Teeth loss | 9.0% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 366 | 3.4% |
| Disability | % |
|---|---|
| Any disability | 6.3% |
| Under 18 | 3.5% |
| 18–64 years | 4.0% |
| 65 and over | 23.5% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 72.2% |
| Public insurance | 24.7% |
| No insurance | 9.5% |
| Uninsured under 19 | 6.7% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 13,603 | 96.8% |
| Spanish | 2,120 | 15.6% |
| Other Indo-European | 1,072 | 7.9% |
| Asian & Pacific Islander | 417 | 3.1% |
| Other languages | 603 | 4.4% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 9,516 | 67.7% |
| Born in same state | 9,400 | 66.9% |
| Born in different state | 7,655 | 54.5% |
| Foreign born | 116 | 0.8% |
| Naturalized citizen | 4,538 | 32.3% |
| Not a US citizen | 3,190 | 70.3% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| Italian | 1,425 | 10.1% |
| French | 398 | 2.8% |
| Arab | 312 | 2.2% |
| Ancestry | Count | % |
|---|---|---|
| Polish | 295 | 2.1% |
| English | 91 | 0.6% |
| Irish | 36 | 0.3% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 32.2% |
| Internet access | 93.7% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 08812
What city is ZIP code 08812 in?
ZIP code 08812 is primarily assigned to Dunellen, New Jersey.
What county is ZIP code 08812 in?
ZIP code 08812 falls within Middlesex County, New Jersey.
What is the typical home value in ZIP code 08812?
The median home value in ZIP code 08812 is $413,100.
What is the median household income in ZIP code 08812?
The median household income in ZIP code 08812 is $115,481, above the national median of ~$75,000.
What is the population of ZIP code 08812?
ZIP code 08812 has an estimated population of 14,054 residents, with a density of 2,768 people per square mile.
What timezone is ZIP code 08812 in?
ZIP code 08812 observes the EST timezone.