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2025 Compare Cities People:
Monmouth Junction, NJ vs Plainsboro, NJ

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Highlights
- Plainsboro is 0% more densely populated than Monmouth Junction.
- People are 2.7% less likely to be married in Plainsboro.
- The Median Age is 1.5 years younger in Plainsboro.
 Monmouth Junction, NJPlainsboro, NJUnited States
 Population  Unlock23,966329,725,481
 Female Population50.5%  Unlock50.5%
 Male Population49.5%  Unlock49.5%
 Median Age  Unlock37.738.4
 space3
 Population - 20102,772  Unlock309,327,143
 Population - 2000  Unlock20,215285,036,114
 Population - 19901,570  Unlock251,960,433
 Pop. 2000 to Now  Unlock12.3%15.6%
 Pop. 1990 to Now124.3%  Unlock30.8%
 space4
 Population Density  Unlock2,033.693.4
 Land Area1.5  Unlock3,531,905.4
 Water Area  Unlock0.4264,836.8
 space
 Est. Total Population By Age
 Monmouth Junction, NJPlainsboro, NJUnited States
 Age 0 to 45.5%  Unlock5.9%
 Age 5 to 9  Unlock6.3%6.1%
 Age 10 to 146.1%  Unlock6.6%
 Age 15 to 17  Unlock3.9%3.9%
 Age 18 to 202.6%  Unlock4.0%
 Age 21 to 24  Unlock3.2%5.2%
 Age 25 to 349.8%  Unlock13.8%
 Age 35 to 44  Unlock17.0%12.9%
 Age 45 to 5417.3%  Unlock12.6%
 Age 55 to 59  Unlock6.3%6.7%
 Age 60 to 646.8%  Unlock6.3%
 Age 65 to 74  Unlock6.1%9.6%
 Age 75 to 840.9%  Unlock4.5%
 Age 85 and over  Unlock1.9%1.9%
 space1
 Race
 Monmouth Junction, NJPlainsboro, NJUnited States
 White27.9%  Unlock59.4%
 Black  Unlock6.1%12.2%
 Asian52.7%  Unlock5.6%
 Native American  Unlock0.6%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock0.2%0.4%
 Two or More Races3.0%  Unlock3.2%
 Hispanic  Unlock3.6%18.4%
 space2
 Marriage & Family
 Monmouth Junction, NJPlainsboro, NJUnited States
 Married Population64.8%  Unlock49.8%
     Currently Married  Unlock61.7%48.0%
 Married but Separated0.6%  Unlock1.8%
 Single Population  Unlock37.0%50.2%
 Never Married26.8%  Unlock33.8%
 Divorced  Unlock5.4%10.8%
 Widowed1.8%  Unlock5.6%
 space5
 Household Size  Unlock2.432.60
 Households3,594  Unlock124,010,992
 Family Households  Unlock6,29380,755,759
     Married couple, w/children46.4%  Unlock30.5%
     Married couple, no children  Unlock39.2%42.9%
 Non Family Households857  Unlock43,255,233
     Single householder, w/children  Unlock7.9%15.8%
     Single householder, no children3.7%  Unlock10.8%
Voting
Reviews for Monmouth Junction    1 Reviews
Datiao · New Brunswick, NJ
High housing costs
Over 19 years ago

Townhouses start in the $300's. Most people are commuters...live here but work in  More

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Reviews for Plainsboro    3 Reviews
Bernard Smolowitz of the Smolowitz RE Group. · Plainsboro, NJ
Homes in Plainsboro, NJ
Over 11 years ago

My wife Rosanne and I have lived in Plainsboro for nearly 30 years. We have raised our three children here. WE LOVE IT!!! The schools are great, the community is  More

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Karen · Plainsboro, NJ
Central New Jersey...not what you may think
Over 15 years ago

We've lived in several different parts of the country, and when we found out we were moving to NJ due to my husband's new job, we bought into the stereotype and thought,  More

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IDaveZ · Plainsboro, NJ
Great Town
Over 17 years ago

Plainsboro is clean, safe and quiet with excellent schools, affordable housing and good jobs  More

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Learn More About Monmouth Junction, New Jersey
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Learn More About Plainsboro, New Jersey
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