Middlesex County, New Jersey

**Middlesex County** is one of 21 counties of New Jersey. Middlesex is part of the New York metropolitan area, and its county seat is New Brunswick.

## Higher education

- Middlesex County College (Edison - main campus; New Brunswick, Perth Amboy)
- Rutgers University New Brunswick Campus (New Brunswick, Piscataway)
- Rutgers Biomedical and Health Sciences (New Brunswick)
- Princeton University – Forrestal Campus (Plainsboro)
- DeVry University (North Brunswick)

## Municipalities

Municipalities in Middlesex County (with 2020 Census data for population, housing units and area in square miles) are:
|Municipality|Municipal type|Population|Housing units|Total area|Water area|Land area|Pop. density|Housing density|
| --- | --- | --- | --- | --- | --- | --- | --- | --- |
|Carteret|Borough|25,326|8,809|4.93|0.54|4.39|5,767.7|2,006.1|
|Cranbury Township|Township|3,842|1,388|13.43|0.15|13.28|289.2|104.5|
|Dunellen|Borough|7,637|2,727|1.06|0.00|1.06|7,191.1|2,567.8|
|East Brunswick Township|Township|49,715|18,088|22.36|0.57|21.78|2,282.2|830.3|
|Edison Township|Township|107,588|38,493|30.69|0.63|30.07|3,578.2|1,280.2|
|Helmetta|Borough|2,455|1,091|0.88|0.05|0.83|2,965.0|1,317.6|
|Highland Park|Borough|15,072|6,669|1.83|0.01|1.82|8,276.8|3,662.3|
|Jamesburg|Borough|5,783|2,228|0.89|0.01|0.88|6,556.7|2,526.1|
|Metuchen|Borough|15,049|6,053|2.85|0.00|2.85|5,282.2|2,124.6|
|Middlesex|Borough|14,636|5,302|3.51|0.02|3.49|4,196.1|1,520.1|
|Milltown|Borough|7,037|2,707|1.60|0.04|1.55|4,528.3|1,742.0|
|Monroe Township|Township|48,594|21,504|42.19|0.24|41.94|1,158.6|512.7|
|New Brunswick|City|55,266|17,509|5.75|0.52|5.23|10,561.1|3,345.9|
|North Brunswick Township|Township|43,905|15,585|12.31|0.28|12.03|3,649.0|1,295.3|
|Old Bridge Township|Township|66,876|26,067|40.93|2.74|38.18|1,751.6|682.7|
|Perth Amboy|City|55,436|17,855|5.96|1.30|4.66|11,891.0|3,829.9|
|Piscataway Township|Township|60,804|18,904|18.96|0.17|18.79|3,235.3|1,005.9|
|Plainsboro Township|Township|24,084|10,281|12.11|0.37|11.74|2,051.8|875.9|
|Sayreville|Borough|45,345|17,695|18.66|2.83|15.83|2,864.5|1,117.8|
|South Amboy|City|9,411|3,906|2.70|1.16|1.54|6,119.0|2,539.7|
|South Brunswick Township|Township|47,043|16,647|41.02|0.40|40.61|1,158.3|409.9|
|South Plainfield|Borough|24,338|8,432|8.33|0.04|8.30|2,933.7|1,016.4|
|South River|Borough|16,118|5,977|2.94|0.16|2.79|5,787.4|2,146.1|
|Spotswood|Borough|8,163|3,297|2.42|0.11|2.31|3,538.4|1,429.1|
|Woodbridge Township|Township|103,639|38,137|24.58|1.32|23.26|4,456.1|1,639.7|

## Other websites

- Middlesex County official website  Retrieved July 1, 2008.

## Infobox (u.s. county)

- **county**: Middlesex County
- **nickname**: _The Greatest County in the Land_
- **state**: New Jersey
- **type**: List of counties in New Jersey, County
- **ex image**: Bishop House, New Brunswick, NJ - campus gate.jpg
- **ex image cap**: Rutgers University, New Brunswick, New Jersey, New Brunswick, the flagship of public higher education in New Jersey
- **ex image size**: 300px
- **founded year**: 1683
- **named for**: Historic English county of Middlesex
- **leader title**: Commissioner director
- **leader name**: Ronald G. Rios (Democratic Party (New Jersey), D, term ends December 31, 2024)
- **seat**: New Brunswick, New Jersey, New Brunswick
- **largest city**: Edison, New Jersey, Edison (population)
Monroe Township, Middlesex County, New Jersey, Monroe Township (area)
- **city type**: municipality
- **area total sq mi**: 322.87
- **area land sq mi**: 309.22
- **area water sq mi**: 13.65
- **area percentage**: 4.2
- **population as of**: 2020
- **population total**: 863162 (3rd in NJ)
- **population density sq mi**: 2794.2
- **population density km2**: auto
- **time zone**: Eastern
- **district**: 6th
- **district2**: 12th
- **web**: www.co.middlesex.nj.us