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CITY · 2020 ACS

Monmouth Junction

New Jersey · 8,895 residents · 4.38 sq mi
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The short version

With 8,895 people, Monmouth Junction is a city in New Jersey. This is an unusually credentialed place: 82% of adults have a four-year degree. 50% of residents were born outside the United States. The population has roughly tripled since 2000, adding 6,174 people. Median household income runs $121,127, well clear of the $66,278 US median. Households here earn about 42% more than in New Jersey as a whole.

At a glance
Wealthier
above the US median
US median: $66,278
Mid-age
median age 40.6
US median: 38.8
More educated
82% hold a bachelor's degree
US average: 33%
Less affordable
home values up 54%, inflation adjusted
US median home: $265,253
Section 01

Population & growth

Total population
8,895
+227%since 2000
from 2,721 in 2000
1990 – 2024
Median age
40.6
+16%since 2000
from 35.0 in 2000
US average: 38.8
Land area
4.38 sq mi
Population, 1990 – 2024
7663K6K8K11K19902000201020202024Monmouth Junction
20249K
1990201020202024
Age distribution, 2020
Under 54%(356)
US avg: 5.6%
5 to 96.7%(600)
US avg: 6.1%
10 to 147.6%(677)
US avg: 6.5%
15 to 198.5%(754)
US avg: 6.6%
20 to 245.8%(520)
US avg: 6.7%
25 to 349.9%(882)
US avg: 13.5%
35 to 4413.9%(1,238)
US avg: 12.7%
45 to 5417%(1,510)
US avg: 12.3%
55 to 6414.7%(1,308)
US avg: 13.1%
65 to 747.9%(702)
US avg: 10%
75 to 843%(271)
US avg: 4.9%
85 and over0.9%(77)
US avg: 1.9%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

Median household income
$121,127
−10%inflation adjusted, since 2000
from $89,598 in 2000
US average: $66,278
1990 – 2024
Per capita income
$52,191
+49%since 2000
from $35,134 in 2000
US average: $35,364
Households earning $100K+
76.1%
−6.4 ptssince 2009
from 82.5% in 2009
US average: 43.9%
Poverty rate
4.1%
−1.0 ptssince 2000
from 5.1% in 2000
US average: 12.8%
Workforce by industry, 2020
Retail trade14.2%
US avg: 10%
Other services11.2%
US avg: 6.6%
Public administration11.2%
US avg: 4.7%
Information6.6%
US avg: 11.1%
Finance & insurance5.9%
US avg: 5.5%
Professional, scientific, technical5.9%
US avg: 4.7%
Transportation & warehousing4.3%
US avg: 2.5%
Arts, entertainment, food3.1%
US avg: 2%
Wholesale trade1.6%
US avg: 6.7%
Agriculture, forestry, fishing0%
US avg: 1.7%
Construction0%
US avg: 1.2%
Manufacturing0%
US avg: 0.5%
Education & health services0%
US avg: 0.8%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 03

Housing

Median home value
$442,200
+54%inflation adjusted, since 2000
from $191,400 in 2000
US average: $265,253
1990 – 2024
Median gross rent
$1,656
+22%inflation adjusted, since 2000
from $906 in 2000
US average: $1,124
Owner-occupied
68.3%
−27.0 ptssince 2000
from 95.3% in 2000
31.7% rent
Persons per household
2.83 people
−14%since 2009
from 3.29 people in 2009
US average: 2.61
Afford Score
3.7
+15%since 2009
from 3.2 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-Hispanic72.5%(1,972)
Black7%(190)
Hispanic / Latino4.2%(113)
Asian14.5%(394)
Other0%
2020
White, non-Hispanic27.3%(2,426)
Black8.3%(740)
Hispanic / Latino4.5%(404)
Asian57.4%(5,110)
Other2.8%(253)

No data for the years selected.

Section 04 · Origins

Detailed origins & ancestry

Hispanic origin
Dominican2.5%(226)
Cuban1.5%(130)
Puerto Rican1.4%(128)
Colombian1.1%(99)
Panamanian0.8%(75)
Venezuelan0.4%(32)
Spaniard0.2%(18)
Asian origin
Asian Indian42.3%(3,770)
Korean2.3%(202)
Japanese2.2%(197)
Chinese2.1%(190)
Pakistani1.5%(136)
Sri Lankan0.8%(67)
Filipino0.6%(51)
Taiwanese0.5%(47)
Ancestry
Italian8.6%(769)
Irish5.7%(509)
West Indian3.1%(276)
English2.6%(230)
Polish2.5%(224)
American2.4%(216)
Russian2.3%(202)
Jamaican1.9%(172)
German1.7%(154)
Scottish1.3%(119)
Swedish1.1%(102)
+ 11 more ancestry groups with data
Egyptian0.8%(71)
British0.6%(54)
Ukrainian0.5%(48)
Dutch0.4%(39)
Nigerian0.4%(36)
Hungarian0.3%(28)
Brazilian0.3%(26)
Ghanaian0.3%(25)
Portuguese0.2%(21)
Canadian0.2%(14)
Austrian0.1%(12)
Section 05

Education

Bachelor's degree or higher
81.7%
+31.6 ptssince 2000
from 50.2% in 2000
US average: 32.9%
High school or higher
98.9%
+5.4 ptssince 2000
from 93.5% in 2000
US average: 88.5%
Graduate degree
33.3%
+13.5 ptssince 2000
from 19.8% in 2000
US average: 12.7%
Section 06

Commute & transportation

Average commute
39.8 min
+53%since 2000
from 26.1 min in 2000
US average: 26.9
Drive alone to work
70.4%
−4.3 ptssince 2009
from 74.7% in 2009
US average: 75.1%
No vehicle available
6.1%
+4.3 ptssince 2009
from 1.8% in 2009
US average: 8.4%
Section 07

Work & employment

Unemployment rate
2.1%
−3.3 ptssince 2011
from 5.4% in 2011
US average: 5.4%
Labor force participation
72.2%
−0.1 ptssince 2011
from 72.3% in 2011
US average: 63.4%
Women 20-64 in the labor force
68.1%
US average: 73.3%
Management & professional
60.5%
+8.4 ptssince 2009
from 52.2% in 2009
US average: 39.3%
Section 08

People & community

Male
52.5%
+8.0 ptssince 2009
from 44.5% in 2009
Female
47.5%
−8.0 ptssince 2009
from 55.5% in 2009
Foreign born
50.2%
+33.4 ptssince 2009
from 16.8% in 2009
US average: 13.5%
Uninsured
2.8%
−6.2 ptssince 2013
from 9.0% in 2013
US average: 8.8%
Computer in household
97.9%
US average: 91.9%
Same house as last year
89.9%
US average: 86.2%
Marital status (2024)
Men 15+
Never married25.7%(941)
Married68.2%(2,500)
Widowed1%(38)
Divorced5%(185)
Women 15+
Never married26.3%(1,002)
Married62%(2,359)
Widowed4%(151)
Divorced7.7%(292)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09

Health coverage

Uninsured
2.8%
−6.2 ptssince 2013
from 9.0% in 2013
US average: 8.8%
Employer-based
81.3%
US average: 55.4%
Direct-purchase
9.2%
US average: 13.7%
Medicare
7.8%
US average: 17.6%
Medicaid
4.1%
US average: 20.0%
VA health care
0.7%
US average: 2.3%
Any private
90.7%
US average: 68.1%
Any public
11.7%
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)35.3%(61)
US avg: 20.6%
Gulf War (1990s)35.3%(61)
US avg: 21.4%
Vietnam era13.9%(24)
US avg: 35.2%
Korean War0%(0)
US avg: 7.6%
World War II0%(0)
US avg: 2.9%

Share of the 173 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
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MONMOUTH JUNCTION VS
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MONMOUTH JUNCTION VS
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MONMOUTH JUNCTION VS
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Frequently asked

How many people live in Monmouth Junction, New Jersey?

Monmouth Junction, New Jersey has about 8,895 residents according to the 2020 American Community Survey.

What is the median household income in Monmouth Junction, New Jersey?

The typical household in Monmouth Junction, New Jersey earns about $121,127 a year. Half of households make more than that, and half make less.

Is Monmouth Junction, New Jersey expensive?

In Monmouth Junction, New Jersey, the median home is worth about $442,200, and the typical rent is about $1,656 a month.

How educated are people in Monmouth Junction, New Jersey?

About 81.7% of adults age 25 and over in Monmouth Junction, New Jersey hold a bachelor's degree or higher.

What is the poverty rate in Monmouth Junction, New Jersey?

About 4.1% of people in Monmouth Junction, New Jersey live below the federal poverty line.

Has Monmouth Junction, New Jersey grown since 1990?

Yes, Monmouth Junction, New Jersey has grown since 1990. The population has added about 7,312 residents, a change of about 462 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 →