Plainsboro, Middlesex County, New Jersey

Plainsboro: Township in Middlesex County, New Jersey


Plainsboro is a township located in the county of Middlesex in the U.S. state of New Jersey. Its population at the 2010 census was 22,999 and a population density of 727 people per km². After 10 years in 2020 city had an estimated population of 22,709 inhabitants.

The township was created 104 years ago in 1918.

Quick Facts about Plainsboro

Population : 22,709 (2020)
Country : United States of America
State : New Jersey (United States)
County : Middlesex County
Postal code : 08536
Area : 31.61 km2
Altitude : 79 feet / 24 meters
Establishment : January 01, 1919 (104 years ago)
Time Zone : Eastern Time Zone
Local time : 12:53:19 (31st January 2023)
Density : 718 Pop. per km² as of 2020
Population growth : -1.28% (2010-2020)
Plainsboro locator map
Location of Plainsboro on New Jersey map.
Plainsboro Center  NJ image
Plainsboro Center NJ
Plainsboro Center  NJ image


Plainsboro is located at 40°20'0"N 74°36'2"W (40.3334400, -74.6004300). It has 2 neighbors: Cranbury and West Windsor.

Plainsboro map

Plainsboro has 2 neighbours.


According to census records, the population of Plainsboro decreased by 1.28% in 10 years.

Year Population % Change Method
2010 22,999 - census
2011 23,058 0.26% estimation process
2012 23,130 0.31% estimation process
2013 23,131 0% estimation process
2014 23,169 0.16% estimation process
2015 23,152 -0.07% estimation process
2016 23,069 -0.36% estimation process
2017 23,056 -0.06% estimation process
2018 22,968 -0.38% estimation process
2019 22,884 -0.37% estimation process
2020 22,709 -0.77% estimation process

Plainsboro zip code is 08536. County name: Middlesex, County fips: 34023

Plainsboro, Plainsborough

Schools in Plainsboro

College & universities near Plainsboro, NJ

Code Name City ZIP
186131 Princeton University Princeton (NJ) 08544-0070
186122 Princeton Theological Seminary Princeton (NJ) 08542-0803
185509 Mercer County Community College West Windsor (NJ) 08550-3407
186283 Rider University Lawrenceville (NJ) 08648-3099
475024 Fortis Institute-Lawrenceville Lawrenceville (NJ) 08648

Stations (28)

Amtrak & bus stations near Plainsboro, NJ

Code Name Address Type
PJC Princeton Junction station 2 Wallace Road RAIL
TRE Trenton Transit Center 72 South Clinton Avenue RAIL
NBK New Brunswick station French and Albany Streets RAIL
MET Metropark station 100 Middlesex-Essex Turnpike RAIL
CWH Cornwells Heights 700 Station Ave. RAIL

Post offices near Plainsboro

Post Office Name City ZIP
Plainsbor Post Office Plainsboro (NJ) 08536
Princeton Post Office Princeton (NJ) 08540
Princeton Junction Post Office Princeton Junction (NJ) 08550
Kingston Post Office Kingston (NJ) 08528
Palmer Square New Post Office Princeton (NJ) 08542

Other cities in Middlesex County

Cities, Towns, Neighborhoods & Other Populated Places in Middlesex County , NJ. (more)

City Name Population Title
Woodbridge 99,430 Census-designated place in New Jersey, United States
Edison 98,721 Township in Middlesex County, New Jersey, United States
Menlo Park 97,687 Township in Middlesex County, New Jersey, United States
Old Bridge 65,414 Census-designated place in Old Bridge Township, Middlesex County, New Jersey
Piscataway 57,164 Township in New Jersey, United States
New Brunswick 56,182 City in and county seat of Middlesex County, New Jersey, United States
Perth Amboy 51,309 City in New Jersey
East Brunswick 48,309 Township in Middlesex County, New Jersey
Sayreville 43,855 Borough of New Jersey
Sayreville Junction 42,890 Unincorporated community in New Jersey
South Plainfield 23,965 Borough in Middlesex County, New Jersey
Carteret 23,383 Borough in Middlesex County, New Jersey, United States
South Old Bridge 23,233 City in Middlesex County, New Jersey, United States of America
Morristown 19,229 Town in Morris County, New Jersey, USA
Iselin 18,695 Unincorporated community in New Jersey, United States
Avenel 17,011 Town in New Jersey, United States

Distance to Other Cities

Plainsboro distances to largest New Jersey cities