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COUNTY

Middlesex County

New Jersey · 883,335 residents (2025 est.) · 309.247 sq mi
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Notable rankings
#10Most foreign-born residentsof 3,14435.4%#43Most densely populatedof 3,1442,856#69Largest by populationof 3,144883,335#77Highest median rentof 3,137$1,871
The short version

Middlesex County is significantly wealthier than the US average, with a median household income of $111,549. Population has grown 16% since 2000. 46% of adults hold a bachelor's degree or higher. Median home value has roughly tripled since 2000, reaching $462,900. It ranks in the top 1% of US counties for household income.

At a glance
Wealthier
above the US median
US median: $82,259
Mid-age
median age 39.5
US median: 38.9
More educated
46% hold a bachelor's degree
US average: 36%
Less affordable
home values up 55%, inflation adjusted
US median home: $376,019
Section 01

Population & growth

Total population
871,290
+16%since 2000
from 750,162 in 2000
1990 – 2025
Population density
2,817 / sq mi
+11%since 2009
from 2,529 / sq mi in 2009
US average: 281
Median age
39.5
+11%since 2000
from 35.7 in 2000
US average: 38.9

PEP 2025 EST:883,335 residents (Census Bureau Vintage 2025, released March 2026)

Population, 1990 – 2024
652K712K772K831K891K1990201020202024Middlesex County
2024871K
1990201020202024
Age distribution, 2024
Under 55.3%(46,534)
US avg: 5.6%
5 to 95.8%(50,726)
US avg: 6%
10 to 146.4%(55,694)
US avg: 6.4%
15 to 196.9%(60,320)
US avg: 6.6%
20 to 246.4%(56,111)
US avg: 6.5%
25 to 3412.9%(112,594)
US avg: 13.7%
35 to 4413.9%(121,504)
US avg: 13.2%
45 to 5413.2%(115,042)
US avg: 12.2%
55 to 6412.9%(112,207)
US avg: 12.7%
65 to 749.6%(83,313)
US avg: 10.2%
75 to 844.8%(41,810)
US avg: 5.1%
85 and over1.8%(15,435)
US avg: 1.9%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

Median household income
$111,549
Unchangedinflation adjusted, since 2000
from $61,446 in 2000
US average: $82,259
1990 – 2024
Per capita income
$50,601
+91%since 2000
from $26,535 in 2000
US average: $44,673
Households earning $100K+
66.7%
+15.8 ptssince 2009
from 50.9% in 2009
US average: 53.3%
Poverty rate
8.6%
+2.0 ptssince 2000
from 6.6% in 2000
US average: 12.5%
Income inequality (Gini)
0.437
+7%since 2010
from 0.407 in 2010
US average: 0.476
Workforce by industry, 2024
Information10.3%
US avg: 10.8%
Retail trade9.5%
US avg: 9.9%
Other services9.4%
US avg: 6.7%
Finance & insurance8.1%
US avg: 5.9%
Public administration7.8%
US avg: 4.8%
Professional, scientific, technical7.4%
US avg: 5.1%
Wholesale trade4.7%
US avg: 6.9%
Transportation & warehousing3.2%
US avg: 2.2%
Arts, entertainment, food2.5%
US avg: 1.9%
Education & health services0.6%
US avg: 0.9%
Agriculture, forestry, fishing0.2%
US avg: 1.6%
Construction0.1%
US avg: 1.2%
Manufacturing0%
US avg: 0.4%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 03

Housing

Median home value
$462,900
+55%inflation adjusted, since 2000
from $164,400 in 2000
US average: $376,019
1990 – 2024
Median gross rent
$1,871
+22%inflation adjusted, since 2000
from $845 in 2000
US average: $1,442
Owner-occupied
63.6%
−3.1 ptssince 2000
from 66.7% in 2000
36.4% rent
Vacancy rate
3.2%
−2.0 ptssince 2009
from 5.2% in 2009
US average: 10.0%
Owner cost-burdened
28.3%
−9.8 ptssince 2009
from 38.1% in 2009
US average: 22.9%
Renter cost-burdened
46.0%
+3.5 ptssince 2009
from 42.4% in 2009
US average: 47.4%
Afford Score
4.1
−11%since 2009
from 4.6 in 2009
2009 – 2024
Our index: median home value divided by median household income. Lower is more affordable.
Gentrification Score
33
Our index, 0 to 100. Higher means faster recent growth in incomes, home values, and college degrees.
RELATED:See current rent listings in Middlesex County on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic61.9%(464,537)
Black8.6%(64,435)
Hispanic / Latino13.6%(101,940)
Asian13.8%(103,788)
Other0%
2024
White, non-Hispanic37.5%(326,790)
Black9.7%(84,565)
Hispanic / Latino23.6%(205,792)
Asian25.4%(221,341)
Other3.8%(32,802)
Diversity Score
91
+14%since 2009
from 80 in 2009
2009 – 2024
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Segregation Score
37
Unchangedsince 2020
from 37 in 2020
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
Dominican6.1%(52,714)
Puerto Rican5%(43,623)
South American4.4%(38,217)
Mexican3.3%(28,808)
Colombian1.4%(12,427)
Honduran1.3%(11,159)
Peruvian1.3%(10,978)
Ecuadorian1%(8,991)
Salvadoran0.7%(6,342)
Cuban0.7%(5,722)
Guatemalan0.4%(3,669)
+ 10 more hispanic origin groups with data
Spaniard0.3%(2,388)
Venezuelan0.2%(1,968)
Costa Rican0.2%(1,727)
Argentine0.2%(1,595)
Panamanian0.2%(1,457)
Nicaraguan0.2%(1,430)
Chilean0.1%(971)
Uruguayan0.1%(781)
Bolivian0%(293)
Paraguayan0%(171)
Asian origin
Asian Indian16.9%(147,082)
Chinese3%(26,124)
Filipino1.6%(14,151)
Pakistani1.5%(13,295)
Korean0.7%(6,008)
Vietnamese0.3%(2,994)
Taiwanese0.2%(2,108)
Sri Lankan0.2%(1,824)
Nepalese0.2%(1,490)
Bangladeshi0.1%(988)
Indonesian0.1%(711)
Japanese0.1%(612)
+ 9 more asian origin groups with data
Thai0%(235)
Kazakh0%(222)
Burmese0%(149)
Malaysian0%(134)
Mongolian0%(54)
Cambodian0%(45)
Uzbek0%(20)
Laotian0%(16)
Pacific Islander origin
Chamorro0%(332)
Fijian0%(28)
Samoan0%(17)
Ancestry
Italian9.8%(85,140)
Irish7.8%(67,764)
German4.9%(42,675)
Polish4.7%(41,089)
American2.4%(20,933)
English2.3%(20,088)
West Indian1.8%(16,009)
Russian1.5%(13,074)
Arab1.5%(12,874)
Subsaharan African1.5%(12,677)
Hungarian1.3%(11,331)
Egyptian1%(8,367)
+ 50 more ancestry groups with data
Portuguese0.9%(8,099)
Ukrainian0.9%(7,481)
Jamaican0.8%(6,664)
French0.6%(5,203)
Greek0.6%(4,858)
Scottish0.5%(4,470)
Haitian0.4%(3,463)
Ghanaian0.4%(3,117)
Slovak0.3%(3,045)
Nigerian0.3%(2,946)
Guyanese0.3%(2,671)
Dutch0.3%(2,525)
Austrian0.3%(2,434)
Brazilian0.3%(2,192)
Norwegian0.2%(2,160)
Swedish0.2%(2,156)
Lithuanian0.2%(1,867)
Danish0.2%(1,662)
Scotch-Irish0.2%(1,500)
Turkish0.2%(1,397)
Lebanese0.1%(1,203)
Romanian0.1%(1,121)
Welsh0.1%(1,119)
Czech0.1%(1,079)
Macedonian0.1%(917)
British0.1%(909)
Iranian0.1%(843)
Belgian0.1%(721)
Moroccan0.1%(719)
Swiss0.1%(639)
Palestinian0.1%(632)
Ethiopian0.1%(619)
Barbadian0.1%(605)
Canadian0.1%(587)
Syrian0.1%(529)
Croatian0%(369)
Latvian0%(339)
Israeli0%(295)
Kenyan0%(259)
Serbian0%(247)
Finnish0%(238)
Jordanian0%(223)
Iraqi0%(212)
Armenian0%(170)
Bulgarian0%(157)
Slovene0%(69)
RANKED:Largest Asian Indian population · Largest Italian population · Largest Irish population · Largest Dominican population · Largest Puerto Rican population
Section 05

Education

Bachelor's degree or higher
45.6%
+12.6 ptssince 2000
from 33.0% in 2000
US average: 35.6%
High school or higher
89.2%
+4.9 ptssince 2000
from 84.4% in 2000
US average: 89.6%
Graduate degree
19.4%
+6.9 ptssince 2000
from 12.5% in 2000
US average: 14.0%
Section 06

Commute & transportation

Average commute
31.2 min
+35%since 2000
from 23.1 min in 2000
US average: 26.5
Drive alone to work
61.3%
−12.0 ptssince 2009
from 73.3% in 2009
US average: 68.9%
Carpooled to work
8.1%
−1.4 ptssince 2009
from 9.5% in 2009
US average: 8.5%
Public transit
5.9%
−3.7 ptssince 2009
from 9.6% in 2009
US average: 3.2%
Worked from home
18.1%
+14.9 ptssince 2009
from 3.1% in 2009
US average: 15.0%
Walked to work
2.9%
−0.4 ptssince 2009
from 3.3% in 2009
US average: 2.4%
Biked to work
0.3%
Unchangedsince 2009
from 0.2% in 2009
US average: 0.4%
No vehicle available
8.0%
−0.4 ptssince 2009
from 8.4% in 2009
US average: 8.3%
Section 07

Work & employment

Unemployment rate
6.7%
−1.2 ptssince 2011
from 7.9% in 2011
US average: 5.2%
Labor force participation
67.2%
+0.3 ptssince 2011
from 66.9% in 2011
US average: 63.5%
Self-employed
12.8%
+0.2 ptssince 2009
from 12.6% in 2009
US average: 13.1%
Management & professional
49.5%
−18.5 ptssince 2009
from 68.0% in 2009
US average: 42.5%
Section 08

People & community

Male
49.7%
+0.3 ptssince 2009
from 49.4% in 2009
Female
50.3%
−0.3 ptssince 2009
from 50.6% in 2009
Foreign born
35.4%
+7.8 ptssince 2009
from 27.6% in 2009
US average: 14.1%
Veterans
3.0%
−45.7 ptssince 2009
from 48.7% in 2009
US average: 6.2%
With a disability
10.0%
+1.7 ptssince 2012
from 8.3% in 2012
US average: 13.3%
Uninsured
7.2%
−79.8 ptssince 2013
from 87.0% in 2013
US average: 8.4%
Broadband at home
94.3%
+10.9 ptssince 2017
from 83.4% in 2017
US average: 91.0%
English only at home
52.6%
−4.7 ptssince 2016
from 57.3% in 2016
US average: 77.7%
Spanish at home
18.4%
+2.3 ptssince 2016
from 16.1% in 2016
US average: 13.6%
Marital status
Men 15+
Never married36.5%(129,433)
Married55.2%(195,712)
Widowed2.1%(7,483)
Divorced6.2%(21,863)
Women 15+
Never married31.4%(114,219)
Married51.4%(187,027)
Widowed8%(28,973)
Divorced9.2%(33,626)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Drill deeper

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Head to head

Compare Middlesex County to nearby counties

MIDDLESEX COUNTY VS
Somerset County
Income$140,374+26%
Home value$552,100+19%
Population356,486−60%
SEE FULL COMPARISON →
MIDDLESEX COUNTY VS
Union County
Income$103,202−7%
Home value$529,200+14%
Population601,863−32%
SEE FULL COMPARISON →
MIDDLESEX COUNTY VS
Richmond County
Income$98,333−12%
Home value$675,500+46%
Population501,290−43%
SEE FULL COMPARISON →
MIDDLESEX COUNTY VS
Monmouth County
Income$124,845+12%
Home value$606,100+31%
Population651,035−26%
SEE FULL COMPARISON →
Frequently asked

How many people live in Middlesex County, New Jersey?

Middlesex County, New Jersey has about 871,290 residents according to the 2024 American Community Survey.

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

The typical household in Middlesex County, New Jersey earns about $111,549 a year. Half of households make more than that, and half make less.

Is Middlesex County, New Jersey expensive?

In Middlesex County, New Jersey, the median home is worth about $462,900, and the typical rent is about $1,871 a month.

How educated are people in Middlesex County, New Jersey?

About 45.6% of adults age 25 and over in Middlesex County, New Jersey hold a bachelor's degree or higher.

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

About 8.6% of people in Middlesex County, New Jersey live below the federal poverty line.

Has Middlesex County, New Jersey grown since 1990?

Yes, Middlesex County, New Jersey has grown since 1990. The population has added about 199,510 residents, a change of about 30 percent over that period.

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192 census tracts (top 20 by population)
Census Tract 82.14Census Tract 70Census Tract 36.01Census Tract 62.08Census Tract 3Census Tract 85.04Census Tract 27.03Census Tract 84.03Census Tract 62.07Census Tract 56.02Census Tract 63Census Tract 15.04Census Tract 51Census Tract 62.05Census Tract 65Census Tract 25Census Tract 26.04Census Tract 77.02Census Tract 15.02Census Tract 2
36 ZIP codes (top 30 by population)
ZIP 08854ZIP 08861ZIP 08901ZIP 08831ZIP 08816ZIP 08817ZIP 08902ZIP 08857ZIP 08820ZIP 07747ZIP 07008ZIP 08859ZIP 07080ZIP 08879ZIP 08536ZIP 07095ZIP 08872ZIP 08830ZIP 08837ZIP 07067ZIP 08840ZIP 08852ZIP 07001ZIP 08882ZIP 08904ZIP 08846ZIP 08824ZIP 08512ZIP 08863ZIP 08850
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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

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