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COUNTY · 2020 ACS

Somerset County

New Jersey · 345,361 residents · 302 sq mi
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The short version

Somerset County is home to 345,361 people in New Jersey. This is an unusually credentialed place: 56% of adults have a four-year degree. Median household income runs $116,510, well clear of the $66,278 US median. The typical home is worth $436,700, having more than doubled since 2000. That is roughly 37% ahead of the New Jersey median. The foreign-born share is 26%.

At a glance
Wealthier
above the US median
US median: $66,278
Older
median age 42.0
US median: 38.8
More educated
56% hold a bachelor's degree
US average: 33%
Less affordable
home values up 31%, inflation adjusted
US median home: $265,253
Section 01

Population & growth

Total population
345,361
+16%since 2000
from 297,490 in 2000
1990 – 2025
Median age
42.0
+13%since 2000
from 37.2 in 2000
US average: 38.8
Land area
302 sq mi
Population, 1990 – 2024
229K262K295K328K361K19902000201020202024Somerset County
2024350K
1990201020202024
Age distribution, 2020
Under 54.7%(16,368)
US avg: 5.6%
5 to 95.7%(19,615)
US avg: 6.1%
10 to 146.7%(23,078)
US avg: 6.5%
15 to 196.6%(22,877)
US avg: 6.6%
20 to 245.8%(19,967)
US avg: 6.7%
25 to 3411.4%(39,522)
US avg: 13.5%
35 to 4413%(44,757)
US avg: 12.7%
45 to 5414.8%(51,035)
US avg: 12.3%
55 to 6415.1%(52,112)
US avg: 13.1%
65 to 749.3%(31,985)
US avg: 10%
75 to 844.7%(16,285)
US avg: 4.9%
85 and over2.2%(7,760)
US avg: 1.9%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

Median household income
$116,510
+1%inflation adjusted, since 2000
from $76,933 in 2000
US average: $66,278
1990 – 2024
Per capita income
$58,021
+53%since 2000
from $37,970 in 2000
US average: $35,364
Households earning $100K+
68.4%
+7.0 ptssince 2009
from 61.4% in 2009
US average: 43.9%
Poverty rate
5.1%
+1.3 ptssince 2000
from 3.8% in 2000
US average: 12.8%
Workforce by industry, 2020
Retail trade12.2%
US avg: 10%
Other services9.8%
US avg: 6.6%
Information9.4%
US avg: 11.1%
Public administration8%
US avg: 4.7%
Wholesale trade4.7%
US avg: 6.7%
Finance & insurance4.6%
US avg: 5.5%
Arts, entertainment, food4.3%
US avg: 2%
Professional, scientific, technical4.1%
US avg: 4.7%
Transportation & warehousing4%
US avg: 2.5%
Education & health services0.5%
US avg: 0.8%
Agriculture, forestry, fishing0.5%
US avg: 1.7%
Construction0.4%
US avg: 1.2%
Manufacturing0.1%
US avg: 0.5%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 03

Housing

Median home value
$436,700
+31%inflation adjusted, since 2000
from $222,400 in 2000
US average: $265,253
1990 – 2024
Median gross rent
$1,636
+21%inflation adjusted, since 2000
from $898 in 2000
US average: $1,124
Owner-occupied
72.3%
−4.9 ptssince 2000
from 77.2% in 2000
27.7% rent
Persons per household
2.72 people
−3%since 2009
from 2.80 people in 2009
US average: 2.61
Afford Score
3.7
−17%since 2009
from 4.5 in 2009
2009 – 2024
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Section 04

Race & ethnicity

2000
White, non-Hispanic74.1%(220,584)
Black7.3%(21,571)
Hispanic / Latino8.7%(25,811)
Asian8.4%(24,870)
Other0%
2020
White, non-Hispanic51.4%(177,411)
Black8.8%(30,480)
Hispanic / Latino16.6%(57,379)
Asian19.4%(67,098)
Other2.6%(9,102)
Segregation Score
36
Our index, 0 to 100. Higher means White and non-White residents are more separated across neighborhoods.
Section 04 · Origins

Detailed origins & ancestry

Hispanic origin
South American4.2%(13,808)
Puerto Rican2.7%(8,767)
Mexican1.7%(5,682)
Colombian1.6%(5,157)
Dominican1.4%(4,620)
Costa Rican1.1%(3,609)
Salvadoran0.9%(3,030)
Ecuadorian0.9%(2,898)
Peruvian0.6%(1,931)
Cuban0.5%(1,780)
Paraguayan0.5%(1,738)
+ 10 more hispanic origin groups with data
Guatemalan0.5%(1,608)
Honduran0.4%(1,456)
Spaniard0.3%(871)
Argentine0.3%(839)
Uruguayan0.2%(519)
Chilean0.1%(286)
Venezuelan0.1%(281)
Panamanian0.1%(194)
Bolivian0%(140)
Asian origin
Asian Indian9.7%(32,104)
Chinese4.2%(13,861)
Filipino1.7%(5,557)
Korean0.7%(2,203)
Pakistani0.5%(1,640)
Vietnamese0.3%(967)
Japanese0.2%(807)
Taiwanese0.2%(773)
Sri Lankan0.1%(395)
Bangladeshi0.1%(306)
Indonesian0.1%(211)
Thai0%(72)
+ 3 more asian origin groups with data
Malaysian0%(47)
Laotian0%(22)
Mongolian0%(10)
Pacific Islander origin
Chamorro0%(17)
Samoan0%(5)
Ancestry
Italian14.2%(46,856)
Irish11.8%(38,936)
German8.9%(29,544)
Polish6.4%(21,189)
English5%(16,545)
American3.3%(10,777)
Russian2%(6,731)
Hungarian1.5%(4,881)
West Indian1.3%(4,239)
Scottish1.2%(3,849)
French1.2%(3,803)
Dutch1.1%(3,649)
+ 49 more ancestry groups with data
Ukrainian0.9%(3,120)
Portuguese0.8%(2,788)
Norwegian0.7%(2,391)
Swedish0.7%(2,215)
Greek0.7%(2,172)
Slovak0.6%(2,083)
Jamaican0.6%(1,960)
Egyptian0.5%(1,755)
British0.5%(1,721)
Austrian0.4%(1,271)
Czech0.4%(1,256)
Lithuanian0.4%(1,238)
Haitian0.3%(1,155)
Scotch-Irish0.3%(1,018)
Welsh0.3%(952)
Swiss0.2%(816)
Danish0.2%(792)
Romanian0.2%(751)
Brazilian0.2%(693)
Iranian0.2%(618)
Canadian0.2%(590)
Lebanese0.2%(526)
Ghanaian0.1%(467)
Turkish0.1%(395)
Armenian0.1%(387)
Guyanese0.1%(358)
Croatian0.1%(337)
Latvian0.1%(336)
Kenyan0.1%(319)
Syrian0.1%(302)
Palestinian0.1%(277)
Macedonian0.1%(259)
Ethiopian0.1%(202)
Bulgarian0.1%(168)
Belgian0%(162)
Israeli0%(160)
Finnish0%(141)
Slovene0%(131)
Serbian0%(112)
Barbadian0%(104)
Nigerian0%(88)
Iraqi0%(68)
Moroccan0%(67)
Arab0%(64)
Jordanian0%(42)
Section 05

Education

Bachelor's degree or higher
55.6%
+9.1 ptssince 2000
from 46.5% in 2000
US average: 32.9%
High school or higher
94.2%
+4.6 ptssince 2000
from 89.6% in 2000
US average: 88.5%
Graduate degree
25.3%
+6.2 ptssince 2000
from 19.1% in 2000
US average: 12.7%
Section 06

Commute & transportation

Average commute
32.4 min
+52%since 2000
from 21.4 min in 2000
US average: 26.9
Drive alone to work
75.6%
−2.5 ptssince 2009
from 78.2% in 2009
US average: 75.1%
No vehicle available
4.4%
−0.7 ptssince 2009
from 5.1% in 2009
US average: 8.4%
Section 07

Work & employment

Unemployment rate
4.4%
−1.9 ptssince 2011
from 6.4% in 2011
US average: 5.4%
Labor force participation
68.8%
−1.1 ptssince 2011
from 69.9% in 2011
US average: 63.4%
Women 20-64 in the labor force
78.7%
US average: 73.3%
Management & professional
54.4%
+4.0 ptssince 2009
from 50.4% in 2009
US average: 39.3%
Section 08

People & community

Male
48.9%
−0.4 ptssince 2009
from 49.3% in 2009
Female
51.1%
+0.4 ptssince 2009
from 50.7% in 2009
Foreign born
25.9%
+4.2 ptssince 2009
from 21.7% in 2009
US average: 13.5%
Uninsured
5.4%
−3.6 ptssince 2013
from 9.0% in 2013
US average: 8.8%
Computer in household
95.8%
US average: 91.9%
Same house as last year
90.2%
US average: 86.2%
Marital status (2024)
Men 15+
Never married32.9%(46,752)
Married59%(83,844)
Widowed2%(2,867)
Divorced6%(8,562)
Women 15+
Never married28.6%(42,516)
Married54.5%(80,970)
Widowed7.7%(11,460)
Divorced9.2%(13,655)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09

Health coverage

Uninsured
5.4%
−3.6 ptssince 2013
from 9.0% in 2013
US average: 8.8%
Employer-based
72.1%
US average: 55.4%
Direct-purchase
14.0%
US average: 13.7%
Medicare
16.0%
US average: 17.6%
Medicaid
8.6%
US average: 20.0%
VA health care
1.0%
US average: 2.3%
Any private
82.8%
US average: 68.1%
Any public
23.0%
US average: 35.2%

Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.

Section 09 · Service history

Veterans

Veterans by period of service, 2020
Gulf War (2001 or later)14%(1,380)
US avg: 20.6%
Gulf War (1990s)10.5%(1,037)
US avg: 21.4%
Vietnam era34.4%(3,388)
US avg: 35.2%
Korean War14.5%(1,425)
US avg: 7.6%
World War II5.9%(579)
US avg: 2.9%

Share of the 9,859 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.

BAR + DOT: THIS PLACE · TICK: US AVERAGE
Drill deeper

Places similar to Somerset County

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Pop 339,183
Douglas County
Pop 399,396
Forsyth County
Pop 282,805
Hamilton County
Pop 387,036
Places similar to Somerset County
Head to head

Compare Somerset County to nearby counties

SOMERSET COUNTY VS
Middlesex County
Income$111,549−4%
Home value$462,900+6%
Population883,335+148%
SEE FULL COMPARISON →
SOMERSET COUNTY VS
Hunterdon County
Income$141,715+22%
Home value$517,200+18%
Population131,781−63%
SEE FULL COMPARISON →
SOMERSET COUNTY VS
Union County
Income$103,202−11%
Home value$529,200+21%
Population601,863+69%
SEE FULL COMPARISON →
SOMERSET COUNTY VS
Mercer County
Income$100,645−14%
Home value$377,700−14%
Population399,289+12%
SEE FULL COMPARISON →
Frequently asked

How many people live in Somerset County, New Jersey?

Somerset County, New Jersey has about 345,361 residents according to the 2020 American Community Survey.

What is the median household income in Somerset County, New Jersey?

The typical household in Somerset County, New Jersey earns about $116,510 a year. Half of households make more than that, and half make less.

Is Somerset County, New Jersey expensive?

In Somerset County, New Jersey, the median home is worth about $436,700, and the typical rent is about $1,636 a month.

How educated are people in Somerset County, New Jersey?

About 55.6% of adults age 25 and over in Somerset County, New Jersey hold a bachelor's degree or higher.

What is the poverty rate in Somerset County, New Jersey?

About 5.1% of people in Somerset County, New Jersey live below the federal poverty line.

Has Somerset County, New Jersey grown since 1990?

Yes, Somerset County, New Jersey has grown since 1990. The population has added about 105,082 residents, a change of about 44 percent over that period.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

How we source and harmonize this data →