New Jersey's 7th district and the 12th district were redistricted after the 2000 census by a bipartisan panel. Potosnak dropped out of the race in January 2012 to take a position as executive director of the New Jersey League of Conservation Voters, leaving a momentarily empty field for the Democratic nomination. Choi dropped out of the race in December 2011 after redistricting left his Edison home outside the 7th District. For the 2012 election, both Potosnak and former Edison Mayor Jun Choi announced their candidacies for the Democratic nomination. In the 2010 general election, Democratic challenger Ed Potosnak challenged Lance, but Lance defeated Potosnak by a margin of 59% to 41%.

In the 2012 general election, Republican incumbent Leonard Lance held his seat against Democratic challenger Upendra J. Ĭhester Borough, Chester Township, Long Hill Township, Mendham Borough, Mendham Township (part also 11th), Mine Hill Township, Mount Arlington, Mount Olive Township, Netcong, Roxbury Township, Washington Township and Whartonīedminster Township, Bernards Township, Bernardsville, Branchburg Township, Bridgewater Township (part also 12th), Far Hills, Green Brook Township, Hillsborough Township (part also 12th), Peapack-Gladstone, Raritan, Somerville, Warren Township and WatchungĪndover Borough, Byram, Fredon, Green Township, Hopatcong, Ogdensburg, Sparta, Stanhope, Stillwater, and Walpackīerkeley Heights, Clark, Fanwood, Linden (part also 10th), Mountainside, New Providence, Rahway, Scotch Plains, Springfield, Summit, Westfield and Winfield Township Counties and municipalities in the district The district from 2003 to 2013įor the 118th and successive Congresses (based on redistricting following the 2020 Census), the district contains all or portions of six counties and 93 municipalities. The district, which has become more ethnically diverse over time, is one of the most affluent congressional districts in the United States, with the fifth-highest median income in the nation. The district is represented by Republican Thomas Kean Jr., who was first elected in 2022, defeating Democratic incumbent Tom Malinowski. New Jersey's 7th congressional district includes all of Hunterdon and Warren Counties and parts of Morris, Somerset, Sussex, and Union Counties.

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