Middlesex County is located in central New Jersey, United States, extending inland from the Raritan Valley region to the northern portion of the Jersey Shore. As of the 2020 United States census, the county's population was enumerated at 863,162, its highest decennial count ever and an increase of 53,304 (6.6%) from the 809,858 residents counted at the 2010 census. Middlesex is New Jersey's third-most populous county and is part of the New York metropolitan area. Many communities within the county serve as commuter towns to and from New York City and other points north.
Edison is a township located in Middlesex County, in the U.S. state of New Jersey. Situated in Central New Jersey within the core of the state's Raritan Valley region, Edison is a commercial hub and is a bedroom community of New York City within the New York metropolitan area. As of the 2020 United States census, the township was the state's sixth-most-populous municipality, with a population of 107,588, an increase of 7,621 (+7.6%) from the 2010 census count of 99,967, which in turn reflected an increase of 2,280 (+2.3%) from the 97,687 counted in the 2000 census.
Sayreville is a borough in Middlesex County, in the U.S. state of New Jersey. Sayreville is within the heart of the Raritan Valley region, located on the south banks of the Raritan River, and also located on the Raritan Bay. As of the 2020 United States census, the borough's population was 45,345, an increase of 2,641 (+6.2%) from the 2010 census count of 42,704, which in turn reflected an increase of 2,327 (+5.8%) from the 40,377 counted in the 2000 census.
Menlo Park is an unincorporated community located within Edison Township in Middlesex County, New Jersey, United States.
Central Jersey is the central region of the U.S. state of New Jersey. The designation of Central New Jersey is a distinct administrative toponym.
Keasbey is a census-designated place (CDP) and unincorporated community located within Woodbridge Township, in Middlesex County, in the U.S. state of New Jersey. It is located in the western outskirts of adjacent Perth Amboy. As of the 2020 census, the CDP's population was 3,027. Many Hispanic / Latino families have relocated from Perth Amboy to Keasbey.
Fieldville is a historical unincorporated community located within Piscataway Township in Middlesex County, New Jersey, United States. The location is sometimes described as being on River Road south of Bound Brook. The community was named after John Field and his descendants who settled the area.
Clara Barton is an unincorporated community located within Edison Township in Middlesex County, New Jersey, United States. It takes its name from Clara Barton.
Cottrell Corners is an unincorporated community located within Old Bridge Township in Middlesex County, New Jersey, United States. Located at the corner of Old Bridge-Matawan Road and Cottrell Road, the area is named for the Cottrell Family who owned an apple farm at the crossroads since before the United States was founded. Though the last parcel of the farmland had originally been sold to a developer in 2002, the Middlesex County Freeholder Board purchased the property and intends to preserve it. In addition to the farm, the area contains stores, a townhouse development, and is the seat of the Old Bridge municipal offices and library.
Edgars or Edgar is an unincorporated community located within Woodbridge Township in Middlesex County, New Jersey, United States. It approximately includes the area around Woodbridge High School over to Rahway Avenue, south of the Port Reading Railroad. The upper section of Ridgedale Avenue is known as Edgar's Hill. There was a Pennsylvania Railroad stop called Edgars approximately where Prospect Avenue would cross the railway, steps for this are still visible on the western side as of 2016.
New Dover is an unincorporated community located within Edison Township in Middlesex County, New Jersey, United States. The neighborhood began as colonial village that was part of adjacent Woodbridge Township. Along with Bonhamtown, New Durham and Stelton, it is one of the older historical communities of the township.
New Durham was an unincorporated community and now a neighborhood located within Edison in Middlesex County, New Jersey, United States, south of Dismal Swamp.
Potters was an unincorporated community and now is neighborhood located within Edison Township in Middlesex County, New Jersey, United States.
Pumptown is an unincorporated community located within Edison Township in Middlesex County, New Jersey, United States.
Schalks or Schalks Station is an unincorporated community located within Plainsboro Township in Middlesex County, New Jersey, United States. Located along Schalks Crossing Road at its junction with the Northeast Corridor railroad tracks, the area contains single-family homes, forested areas, a former research nuclear reactor built by Industrial Reactor Laboratories, and the rear yards to offices within the Princeton Forrestal Center.
Ardena is an unincorporated community located within Howell Township in Monmouth County, New Jersey, United States. The community is located along County Route 524 near Vanderveer Road in the western part of the township. The area consists of about half farmland and half residential developments.
Piscatawaytown is the oldest neighborhood in Edison Township in Middlesex County, New Jersey. It was established in the 1660s as the original village in what was then within Piscataway Township. Piscatawaytown is centered around St. James Church and the Piscatawaytown Common, near the intersection of Plainfield and Woodbridge Avenues. The Piscatawaytown Burial Ground is one of the oldest recorded cemeteries in Middlesex County and maintained by the township.
United States 
New Jersey 
