Somerset County, NJ ZIP Codes
New Jersey (NJ) · 30 ZIP codes · 29 cities
30
ZIP codes
345,647
population (2021)
+6.9%
pop change since 2010
34035
FIPS code
Somerset County ZIP code map
About Somerset County
Somerset County is located in New Jersey and contains 30 ZIP codes across 29 cities and communities.
The county's population was 345,647 as of 2021,
an increase of
6.9% from 323,444 in 2010.
The timezone is Central Time (observes DST).
The Federal Information Processing System (FIPS) code for Somerset County is 34035.
| Population | |
|---|---|
| 2021 population | 345,647 |
| 2010 population | 323,444 |
| Change | +6.9% |
| County details | |
|---|---|
| State | New Jersey |
| FIPS code | 34035 |
| Timezone | Central |
| Daylight saving | Yes |
Cities in Somerset County
Basking Ridge
Bedminster
Belle Mead
Bernardsville
Blawenburg
Bound Brook
Bridgewater
Far Hills
Flagtown
Franklin Park
Gladstone
Hillsborough
Kingston
Liberty Corner
Lyons
Manville
Martinsville
Neshanic Station
Peapack
Pluckemin
Raritan
Rocky Hill
Skillman
Somerset
Somerville
South Bound Brook
Warren
Watchung
Zarephath
ZIP codes for Somerset County, NJ (30)
Demographics & statistics
308,152
Population
42.5
Median age
$145,234
Median household income
$70,019
Per capita income
$535,943
Median home value
$1,710
Median monthly rent
75.8%
Home ownership
7.5%
Poverty rate
4.6%
Unemployment
91,539
Housing units
60.1%
Bachelor's or higher
Age distribution
Male
Female
7,770
Under 5
7,205
8,817
5–9
8,175
10,714
10–14
9,935
10,344
15–19
9,591
9,169
20–24
8,503
17,781
25–34
16,487
20,814
35–44
19,300
23,720
45–54
21,994
12,652
55–59
11,732
11,169
60–64
10,357
15,169
65–74
14,066
7,864
75–84
7,293
3,908
85+
3,623
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 65,729 | 19.6% |
| 18 and over | 242,423 | 80.4% |
| 65 and over | 51,923 | 21.2% |
| Median age | 42.5 years | |
Race & ethnicity
White
54.8%
Asian
17.7%
Black or African American
8.2%
Hispanic or Latino
8.2%
Two or more races
6.1%
Other race
4.5%
American Indian / Alaska Native
0.4%
| Group | Count | % |
|---|---|---|
| White | 184,162 | 54.8% |
| Asian | 59,282 | 17.7% |
| Black or African American | 27,691 | 8.2% |
| Hispanic or Latino | 27,628 | 8.2% |
| Two or more races | 20,573 | 6.1% |
| Other race | 15,222 | 4.5% |
| American Indian / Alaska Native | 1,198 | 0.4% |
Household income
Under $10k
2.7%
$10k–$15k
1.1%
$15k–$25k
2.9%
$25k–$35k
3.6%
$35k–$50k
4.4%
$50k–$75k
16.6%
$75k–$100k
9.2%
$100k–$150k
15.3%
$150k–$200k
11.8%
$200k+
32.3%
| Range | % of households |
|---|---|
| Under $10k | 2.7% |
| $10k–$15k | 1.1% |
| $15k–$25k | 2.9% |
| $25k–$35k | 3.6% |
| $35k–$50k | 4.4% |
| $50k–$75k | 16.6% |
| $75k–$100k | 9.2% |
| $100k–$150k | 15.3% |
| $150k–$200k | 11.8% |
| $200k+ | 32.3% |
| Median income | $145,234 |
Housing
Home values
Under $50k
0.8%
$50k–$100k
0.6%
$100k–$150k
1.4%
$150k–$200k
2.5%
$200k–$300k
13.1%
$300k–$500k
27.4%
$500k–$1M
38.8%
$1M+
11.1%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $535,943 |
| Median rent / month | $1,710 |
| Owner occupied | 75.8% |
| Renter occupied | 24.2% |
| Vacant | 2.9% |
| Single-family detached | 64.7% |
| Large apartment buildings | 9.4% |
| Mobile homes | 0.1% |
| Median rooms | 6.3 |
| Avg household size (owned) | 2.56 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.1% |
| 2010–2019 | 8.8% |
| 2000–2009 | 7.9% |
| 1990–1999 | 15.5% |
| 1980–1989 | 17.0% |
| 1970–1979 | 8.1% |
| 1960–1969 | 12.5% |
| 1950–1959 | 8.9% |
| 1940–1949 | 8.2% |
| 1939 or earlier | 13.1% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 1.2% |
| 1 bedroom | 15.5% |
| 2 bedrooms | 22.4% |
| 3 bedrooms | 24.2% |
| 4 bedrooms | 26.4% |
| 5+ bedrooms | 10.3% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 8.1% |
| 1 vehicle | 30.4% |
| 2 vehicles | 38.3% |
| 3 or more | 23.3% |
Heating fuel
| Fuel type | % |
|---|---|
| Utility gas | 76.5% |
| Electricity | 14.3% |
| Propane / LP gas | 1.7% |
| Fuel oil | 6.6% |
| Wood | 0.1% |
| Solar | 0.2% |
| No fuel used | 0.4% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 67,830 | 55.2% |
| Cohabiting couple | 6,045 | 4.6% |
| Male householder, no spouse | 15,302 | 16.4% |
| Female householder, no spouse | 25,723 | 23.8% |
| Households with children under 18 | 37,583 | 30.4% |
| Households with seniors (65+) | 35,360 | 36.6% |
| Average household size | 2.48 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 32.3% | 30.4% |
| Married | 58.7% | 51.9% |
| Separated | 0.7% | 0.7% |
| Widowed | 2.2% | 6.6% |
| Divorced | 6.1% | 10.4% |
Education
Less than 9th grade
2.1%
Some HS, no diploma
2.3%
HS graduate
17.5%
Some college, no degree
12.2%
Associate's degree
5.8%
Bachelor's degree
30.7%
Graduate / professional
29.3%
| Metric | % |
|---|---|
| HS diploma or higher | 95.6% |
| Bachelor's or higher | 60.1% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 4,834 | 6.8% |
| Kindergarten | 3,582 | 3.8% |
| Elementary school | 29,731 | 36.7% |
| High school | 18,327 | 21.7% |
| College / grad school | 18,159 | 22.3% |
Employment
Industry of employment
Education & healthcare
18.8%
Professional & management
17.6%
Manufacturing
11.1%
Finance & real estate
10.0%
Retail trade
8.6%
Other services
5.9%
Arts, food & hospitality
5.4%
Construction
4.5%
Transportation & utilities
3.6%
Wholesale trade
3.4%
Information
3.2%
Public administration
2.9%
Agriculture & mining
0.7%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 55.4% |
| Service | 11.9% |
| Sales & office | 17.3% |
| Natural resources & construction | 4.6% |
| Production & transportation | 6.6% |
Employment type
| Type | % |
|---|---|
| Private sector | 80.7% |
| Government | 9.6% |
| Self-employed | 5.3% |
| Unpaid family workers | 0.1% |
Commute
| Method | % |
|---|---|
| Drive alone | 66.3% |
| Carpool | 5.4% |
| Public transit | 2.9% |
| Walk | 2.1% |
| Other means | 1.4% |
| Avg commute (minutes) | 27.6 |
Poverty
All people
7.5%
Under 18 years
4.9%
18 and over
7.4%
Married-couple families
1.2%
Female-led households
10.5%
Income support
| Source | % of households |
|---|---|
| Social Security | 33.8% |
| Retirement income | 21.2% |
| Supplemental Security | 1.9% |
| Cash public assistance | 1.6% |
| Food stamps / SNAP | 1.9% |
Health indicators
| Condition | % |
|---|---|
| High blood pressure | 0.0% |
| High cholesterol | 0.0% |
| Heart disease | 5.2% |
| Stroke | 2.2% |
| Asthma | 8.1% |
| Arthritis | 19.0% |
| Kidney disease | 2.3% |
| Pulmonary disease | 4.1% |
| Cancer | 6.5% |
| Behavior / access | % |
|---|---|
| Binge drinking | 16.7% |
| No physical activity | 15.3% |
| Less than 7 hrs sleep | 30.7% |
| Fair or poor health | 8.9% |
| Poor mental health | 11.6% |
| Poor physical health | 6.9% |
| No health insurance | 10.0% |
| Visited doctor (checkup) | 74.5% |
| Visited dentist | 72.2% |
| Cholesterol screening | 0.0% |
| Teeth loss | 7.5% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 9,233 | 5.2% |
| Disability | % |
|---|---|
| Any disability | 8.7% |
| Under 18 | 3.0% |
| 18–64 years | 7.8% |
| 65 and over | 23.8% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 80.3% |
| Public insurance | 28.0% |
| Uninsured under 19 | 2.4% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 293,177 | 95.5% |
| Spanish | 28,463 | 7.7% |
| Other Indo-European | 12,673 | 3.7% |
| Asian & Pacific Islander | 7,663 | 2.2% |
| Other languages | 7,173 | 1.7% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 230,093 | 78.8% |
| Born in same state | 225,417 | 77.3% |
| Born in different state | 158,720 | 50.5% |
| Foreign born | 4,676 | 1.6% |
| Naturalized citizen | 78,059 | 21.2% |
| Not a US citizen | 48,077 | 63.6% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| Italian | 36,400 | 11.8% |
| French | 17,115 | 5.6% |
| Arab | 10,105 | 3.3% |
| Irish | 4,503 | 1.5% |
| English | 3,165 | 1% |
| Ancestry | Count | % |
|---|---|---|
| Polish | 2,274 | 0.7% |
| Norwegian | 1,287 | 0.4% |
| German | 940 | 0.3% |
| Dutch | 828 | 0.3% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 38.5% |
| Internet access | 97.2% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
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