Middlesex County is a county located in the north-central part of the U.S. state of New Jersey, extending inland from the Raritan Valley region to the northern portion of the Jersey Shore. As of the 2020 United States census, the county was the state's third-most populous county with a population of 863,162, its highest decennial count ever and an increase of 53,304 (+6.6%) from the 2010 census count of 809,858, which in turn reflected an increase of 59,696 (8.0%) from the 750,162 counted in the 2000 census. Middlesex 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. The county is part of the Central Jersey region of the state.
Mercer County is a county located in the U.S. state of New Jersey. Its county seat is Trenton, also the state capital, prompting its nickname The Capital County. Mercer County alone constitutes the Trenton–Princeton metropolitan statistical area and is considered part of the New York combined statistical area by the U.S. Census Bureau, but also directly borders the Philadelphia metropolitan area and is included within the Federal Communications Commission's Philadelphia Designated Media Market Area. The county is part of the Central Jersey region of the state.
Hopewell Township is a township in Mercer County, in the U.S. state of New Jersey. Located at the cross-roads between the Delaware Valley region to the southwest and the Raritan Valley region to the northeast, the township considered an exurb of New York City in the New York metropolitan area as defined by the United States Census Bureau, while also directly bordering the Philadelphia metropolitan area, being a part of the Federal Communications Commission's Philadelphia Designated Market Area. As of the 2020 United States census, the township's population was 17,491, its highest decennial count ever and an increase of 187 (+1.1%) from the 2010 census count of 17,304, which in turn reflected an increase of 1,199 (+7.4%) from the 16,105 counted in the 2000 census.
Jamesburg is a borough in Middlesex County, in the U.S. state of New Jersey. As of the 2020 United States census, the borough's population was 5,783, a decrease of 132 (−2.2%) from the 2010 census count of 5,915, which in turn reflected a decline of 110 (−1.8%) from the 6,025 counted in the 2000 census.
Piscataway is a township in Middlesex County, in the U.S. state of New Jersey. It is a suburb of the New York metropolitan area, in the Raritan Valley. As of the 2020 United States census, the township's population was 60,804, an increase of 4,760 (+8.5%) from the 2010 census count of 56,044, which in turn reflected an increase of 5,562 (+11.0%) from 50,482 at the 2000 census.
South Brunswick is a township in Middlesex County, in the U.S. state of New Jersey. The township is centrally located within the Raritan Valley region and is an outer-ring suburb of New York City in the New York metropolitan area. As of the 2020 United States census, the township's population was 47,043, its highest ever decennial census count and an increase of 3,626 (+8.4%) from the 2010 census count of 43,417, which in turn reflected an increase of 5,683 (+15.1%) from the 37,734 counted in the 2000 census.
South Plainfield is a borough in northern Middlesex County, in the U.S. state of New Jersey. The borough is situated on the border with Union County in the Raritan Valley region, within the New York metropolitan area. As of the 2020 United States census, the borough's population was 24,338, its highest decennial count ever and an increase of 953 (+4.1%) from the 23,385 recorded at the 2010 census, which in turn reflected an increase of 1,575 (+7.2%) from the 21,810 counted in the 2000 census.
New Jersey's 7th congressional district includes all of Hunterdon and Warren Counties; and parts of Morris, Somerset, Sussex, and Union Counties. The district is represented by Republican Thomas Kean Jr., who was first elected in 2022, defeating Democratic incumbent Tom Malinowski.
New Jersey's 11th congressional district is a suburban district in northern New Jersey. The district includes portions of Essex, Morris, and Passaic Counties. It is centered in Morris County.
New Jersey's 10th congressional district is an urban congressional district in the U.S. state of New Jersey. The district consists of portions of Essex, Hudson and Union counties, and includes the cities of Newark and Orange. The district is majority African American and is represented in Congress by Democrat LaMonica McIver, who was sworn in on September 23, 2024 to finish the term of the late Donald Payne, Jr.
New Jersey's 6th congressional district is represented by Democrat Frank Pallone, who has served the district in Congress since 1993. The district includes the northern and eastern portions of Middlesex County and the coastal areas of Monmouth County, including towns along the Raritan Bay.
New Jersey's 5th congressional district is represented by Democrat Josh Gottheimer, who has served in Congress since 2017. The district stretches across the entire northern border of the state and contains most of Bergen County, as well as parts of Passaic County and Sussex County.
New Jersey's 4th congressional district is a congressional district that stretches along the New Jersey Shore. It has been represented by Republican Chris Smith since 1981, the second-longest currently serving member of the US House of Representatives and the longest serving member of Congress from New Jersey in history.
New Jersey's 3rd congressional district is represented by Democrat Herb Conaway of Delran Township, who was elected to succeed Andy Kim of Moorestown and took office in January 2025, after Kim stepped down to take office in the United States Senate.
New Jersey's 1st congressional district is a congressional district in the U.S. state of New Jersey. The district, which includes Camden and South Jersey suburbs, has been represented by Democrat Donald Norcross since November 2014. It is among the most reliably Democratic districts in New Jersey, as it is mainly made up of Democratic-dominated Camden County.
Rush Dew Holt Jr. is an American scientist and politician who served as the U.S. representative for New Jersey's 12th congressional district from 1999 to 2015. He is a member of the Democratic Party and son of former West Virginia U.S. Senator Rush D. Holt Sr. He worked as a professor of public policy and physics, and during his tenure in Congress he was one of two physicists and the only Quaker there.
Michigan's 3rd congressional district is a U.S. congressional district in West Michigan. From 2003 to 2013, it consisted of the counties of Barry and Ionia, as well as all except the northwestern portion of Kent, including the city of Grand Rapids. In 2012 redistricting, the district was extended to Battle Creek. In 2022, the district was condensed to the greater Grand Rapids and Muskegon areas, including portions of Kent, Muskegon, and Ottawa counties. Redistricting removed Barry, Calhoun, and Ionia counties.
New Jersey's 17th legislative district is one of 40 in the New Jersey Legislature. The district includes the Middlesex County municipalities of New Brunswick, North Brunswick, Piscataway, along with the Somerset County municipalities of Franklin Township and South Bound Brook.
New Jersey's 18th legislative district is one of 40 in the New Jersey Legislature. The district includes the Middlesex County municipalities of East Brunswick Township, Edison Township, Milltown, Highland Park Borough, Metuchen Borough, South Plainfield Borough and South River Borough.
The 2012 United States House of Representatives elections in New Jersey were held on Tuesday, November 6, 2012, and elected the 12 U.S. representatives from the state of New Jersey, a loss of one seat following the 2010 United States census. The elections coincided with the elections of other federal and state offices, including a quadrennial presidential election and an election to the U.S. Senate.
