Middlesex County, New Jersey
Middlesex County: County in New Jersey, United States
Middlesex County is a county located in the U.S. state of New Jersey. As of the 2010 census, the population was 809,858 and a population density of 970 people per km². After 10 years in 2020 county had an estimated population of 822,736 inhabitants. Its county seat is New Brunswick. The county was created 339 years ago in 1683.
Quick Facts about Middlesex County
|Population :||822,736 (2020)|
|Country :||United States of America|
|State :||New Jersey (United States)|
|Different from :||Middlesex County, Middlesex County, Middlesex County|
|Twitter username :||middlesexcntynj|
|Area :||835 km2|
|Water as percent of area :||4.31%|
|Land as percent of area :||95.69%|
|Named for :||Middlesex|
|Capital :||New Brunswick|
|Establishment :||March 03, 1683|
|Time Zone :||Eastern Time Zone|
|Local time :||11:59:42 (31st January 2023)|
|Density :||985 Pop. per km² as of 2020|
|Population growth :||1.57% (2010-2020)|
Middlesex County is located at 40°26'24"N 74°24'32"W (40.4400400, -74.4088900).
Middlesex County map
The largest city of Middlesex County is New Brunswick with a population of 56,182. Other cities include, Perth Amboy population 51,309, Sayreville population 43,855, Sayreville Junction population 42,890 and South Plainfield population 23,965. See all Middlesex County cities & populated places.
Middlesex County Populated Places (more)
Cities, Towns, Neighborhoods & Other Populated Places in Middlesex County.
|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|
|Plainsboro||22,709||Township in Middlesex County, New Jersey|
|Morristown||19,229||Town in Morris County, New Jersey, USA|
|Iselin||18,695||Unincorporated community in New Jersey, United States|
- New Brunswick
The population of Middlesex County increased by 1.57% in 10 years.
People born in Middlesex County (4)
Other places with the same name (4)
- Middlesex County , Massachusetts county in Massachusetts, United States with a population of 1,609,379 people.
- Middlesex County , Connecticut county in Connecticut, United States with a population of 161,657 people.
- Middlesex County , Virginia county in Virginia, United States with a population of 10,569 people.
New Jersey Other Counties (more counties)
|Somerset||965,424||Community in Franklin Township, New Jersey|
|Bergen County||930,394||County in New Jersey, United States|
|Essex County||800,501||County in New York, United States|
|Hudson County||671,666||County in New Jersey, United States|
|Monmouth County||618,381||County in New Jersey, United States|
|Ocean County||614,237||County in New Jersey, United States|
|Union County||555,394||County in Oregon, United States|
|Camden County||506,809||County in Missouri, United States|
|Passaic County||500,382||County in New Jersey, United States|
|Morris County||491,087||County in New Jersey, United States|
|Burlington County||446,596||County in New Jersey, United States|
|Mercer County||367,239||County in West Virginia, United States|
|Somerset County||329,331||County in Maine, United States|
|Gloucester County||293,245||County in New Jersey, United States|
|Newark||282,520||Most populous city in the state of New Jersey, United States; county seat of Essex County, New Jersey|
|Atlantic County||262,945||County in New Jersey, United States|