Plainsboro, New Jersey
Plainsboro: Township in Middlesex County, New Jersey
About
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 106 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 (106 years ago) |
| Time Zone : | Eastern Time Zone |
| Local time : | 22:51:24 (4th December 2025) |
| Density : | 718 Pop. per km² as of 2020 |
| Population growth : | -1.28% (2010-2020) |
Geography
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
- Official Website
Official website of Plainsboro
Plainsboro has 2 neighbours.
- Cranbury township of New Jersey
- West Windsor township in Mercer County, New Jersey, United States
Demographics
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 |
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 | The most populous city in Middlesex County, New Jersey. |
| Perth Amboy | 51,309 | The most populous city in Middlesex County, New Jersey. |
| East Brunswick | 48,309 | Township in Middlesex County, New Jersey |
| Sayreville | 43,855 | A borough in Middlesex County, New Jersey. |
| Sayreville Junction | 42,890 | A census-designated place in Middlesex County, 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