# New Jersey's 3rd congressional district

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.
Under the 2020 census map, the 3rd district lost all of its municipalities in Ocean County, and gained several towns in Burlington County, Mercer County, and Monmouth County.

## Counties and municipalities in the district

For the 118th and successive Congresses (based on redistricting following the 2020 census), the district contains all or portions of three counties and 53 municipalities.
Burlington County (38):
    Bass River Township, Beverly, Bordentown, Bordentown Township, Burlington, Burlington Township, Chesterfield Township, Cinnaminson Township, Delanco Township, Delran Township, Eastampton Township, Edgewater Park, Evesham Township, Fieldsboro, Florence Township, Hainesport Township, Lumberton, Mansfield Township, Medford Lakes, Medford, Moorestown, Mount Holly, Mount Laurel, New Hanover Township, North Hanover Township, Pemberton Borough, Pemberton Township, Riverside Township, Riverton, Shamong Township, Southampton Township, Springfield Township, Tabernacle Township, Washington Township, Westampton, Willingboro Township, Woodland Township, Wrightstown
Mercer County (5):
    East Windsor, Hamilton Township, Hightstown, Lawrence Township, Robbinsville Township
Monmouth County (10):
    Allentown, Englishtown, Freehold Borough, Freehold Township (part; also 4th; includes East Freehold and West Freehold), Holmdel Township, Manalapan Township, Marlboro Township, Millstone Township, Roosevelt, Upper Freehold Township

## Recent election results from statewide races

| Year | Office | Results |
| 2008 | President | Obama 56% - 43% |
| 2012 | President | Obama 56% - 44% |
| 2016 | President | Clinton 53% - 44% |
| 2017 | Governor | Murphy 53% - 45% |
| 2018 | Senate | Menendez 51% - 46% |
| 2020 | President | Biden 56% - 42% |
| 2020 | Senate | Booker 56% - 43% |
| 2021 | Governor | Murphy 51% - 49% |
| 2024 | President | Harris 53% - 45% |
| 2024 | Senate | Kim 56% - 42% |

## List of members representing the district
### 1799–1801: one seat

| Member (District home) | Party | Years | Cong ress | Electoral history | Counties/towns |
| District organized from New Jersey's at-large congressional district in 1799 ||||||
| James Linn (Trenton) | Democratic-Republican | March 4, 1799 – March 3, 1801 | 6th | Elected in 1798. Retired. | Hunterdon and Somerset Counties |
| District organized to New Jersey's at-large congressional district in 1801 ||||||

### 1813–1815: two seats

From 1813 to 1815, two seats were apportioned, elected at-large on a general ticket. This district was organized from New Jersey's at-large congressional district.
| Years | Cong ress | Seat A | Seat A | Seat A | Seat B | Seat B | Seat B | District location |
| Years | Cong ress | Member (District home) | Party | Electoral history | Member (District home) | Party | Electoral history | District location |
| March 4, 1813 – May 20, 1814 | 13th | William Coxe Jr. (Burlington) | Federalist | Elected in 1813. Retired. | Jacob Hufty (Salem) | Federalist | Redistricted from the at-large district and re-elected in 1813. Died. | Burlington, Cape May, Cumberland, Gloucester, and Salem Counties |
| May 20, 1814 – November 2, 1814 | 13th | William Coxe Jr. (Burlington) | Federalist | Elected in 1813. Retired. | Vacant | Vacant | Vacant | | Burlington, Cape May, Cumberland, Gloucester, and Salem Counties |
| November 2, 1814 – March 3, 1815 | 13th | William Coxe Jr. (Burlington) | Federalist | Elected in 1813. Retired. | Thomas Bines (Pennsville) | Democratic-Republican | Elected to finish Hufty's term. Retired. | Burlington, Cape May, Cumberland, Gloucester, and Salem Counties |
District organized to New Jersey's at-large congressional district in 1815

### 1843–present: one seat

| Member (District home) | Party | Years | Cong ress | Electoral history | Counties/towns |
| District re-established March 4, 1843 ||||||
| Isaac G. Farlee (Flemington) | Democratic | March 4, 1843 – March 3, 1845 | 28th | Elected in 1842. Lost re-election. | 1843–1845: Hunterdon, Sussex, and Warren |
| John Runk (Kingwood) | Whig | March 4, 1845 – March 3, 1847 | 29th | Elected in 1844. Lost re-election. | 1845–1847: Hunterdon, Mercer, Middlesex, and Somerset |
| Joseph E. Edsall (Hamburg) | Democratic | March 4, 1847 – March 3, 1849 | 30th | Redistricted from the 4th district and re-elected in 1846. Retired. | 1847–1853: Hunterdon, Sussex, and Warren |
| Isaac Wildrick (Blairstown) | Democratic | March 4, 1849 – March 3, 1853 | 31st 32nd | Elected in 1848. Re-elected in 1850. Retired. | 1847–1853: Hunterdon, Sussex, and Warren |
| Samuel Lilly (Lambertville) | Democratic | March 4, 1853 – March 3, 1855 | 33rd | Elected in 1852. Retired. | 1853–1863: Hunterdon, Middlesex, Somerset, and Warren |
| James Bishop (New Brunswick) | Opposition | March 4, 1855 – March 3, 1857 | 34th | Elected in 1854. Lost re-election. | 1853–1863: Hunterdon, Middlesex, Somerset, and Warren |
| Garnett Adrain (New Brunswick) | Democratic | March 4, 1857 – March 3, 1859 | 35th 36th | Elected in 1856. Re-elected in 1858. Retired. | 1853–1863: Hunterdon, Middlesex, Somerset, and Warren |
| Garnett Adrain (New Brunswick) | Lecompton Democratic | March 4, 1859 – March 3, 1861 | 35th 36th | Elected in 1856. Re-elected in 1858. Retired. | 1853–1863: Hunterdon, Middlesex, Somerset, and Warren |
| William G. Steele (Somerville) | Democratic | March 4, 1861 – March 3, 1865 | 37th 38th | Elected in 1860. Re-elected in 1862. Retired. | 1853–1863: Hunterdon, Middlesex, Somerset, and Warren |
| William G. Steele (Somerville) | Democratic | March 4, 1861 – March 3, 1865 | 37th 38th | Elected in 1860. Re-elected in 1862. Retired. | 1863–1873: Hunterdon, Middlesex, Somerset, Union, and Warren |
| Charles Sitgreaves (Phillipsburg) | Democratic | March 4, 1865 – March 3, 1869 | 39th 40th | Elected in 1864. Re-elected in 1866. Retired. | 1863–1873: Hunterdon, Middlesex, Somerset, Union, and Warren |
| John T. Bird (Flemington) | Democratic | March 4, 1869 – March 3, 1873 | 41st 42nd | Elected in 1868. Re-elected in 1870. Retired. | 1863–1873: Hunterdon, Middlesex, Somerset, Union, and Warren |
| Amos Clark Jr. (Elizabeth) | Republican | March 4, 1873 – March 3, 1875 | 43rd | Elected in 1872. Lost re-election. | 1873–1893: Middlesex, Monmouth, and Union |
| Miles Ross (New Brunswick) | Democratic | March 4, 1875 – March 3, 1883 | 44th 45th 46th 47th | Elected in 1874. Re-elected in 1876. Re-elected in 1878. Re-elected in 1880. Lost re-election. | 1873–1893: Middlesex, Monmouth, and Union |
| John Kean (Elizabeth) | Republican | March 4, 1883 – March 3, 1885 | 48th | Elected in 1882. Lost re-election. | 1873–1893: Middlesex, Monmouth, and Union |
| Robert S. Green (Elizabeth) | Democratic | March 4, 1885 – January 17, 1887 | 49th | Elected in 1884. Retired to run for governor and resigned when elected. | 1873–1893: Middlesex, Monmouth, and Union |
| Vacant | Vacant | January 17, 1887 – March 3, 1887 | 49th | | 1873–1893: Middlesex, Monmouth, and Union |
| John Kean (Elizabeth) | Republican | March 4, 1887 – March 3, 1889 | 50th | Elected in 1886. Lost re-election. | 1873–1893: Middlesex, Monmouth, and Union |
| Jacob A. Geissenhainer (Freehold) | Democratic | March 4, 1889 – March 3, 1895 | 51st 52nd 53rd | Elected in 1888. Re-elected in 1890. Re-elected in 1892. Lost re-election. | 1873–1893: Middlesex, Monmouth, and Union |
| Jacob A. Geissenhainer (Freehold) | Democratic | March 4, 1889 – March 3, 1895 | 51st 52nd 53rd | Elected in 1888. Re-elected in 1890. Re-elected in 1892. Lost re-election. | 1893–1903: Middlesex, Monmouth, and Somerset |
| Benjamin F. Howell (New Brunswick) | Republican | March 4, 1895 – March 3, 1911 | 54th 55th 56th 57th 58th 59th 60th 61st | Elected in 1894. Re-elected in 1896. Re-elected in 1898. Re-elected in 1900. Re-elected in 1902. Re-elected in 1904. Re-elected in 1906. Re-elected in 1908. Lost re-election. | 1893–1903: Middlesex, Monmouth, and Somerset |
| Benjamin F. Howell (New Brunswick) | Republican | March 4, 1895 – March 3, 1911 | 54th 55th 56th 57th 58th 59th 60th 61st | Elected in 1894. Re-elected in 1896. Re-elected in 1898. Re-elected in 1900. Re-elected in 1902. Re-elected in 1904. Re-elected in 1906. Re-elected in 1908. Lost re-election. | 1903–1933: Middlesex, Monmouth, and Ocean |
| Thomas J. Scully (South Amboy) | Democratic | March 4, 1911 – March 3, 1921 | 62nd 63rd 64th 65th 66th | Elected in 1910. Re-elected in 1912. Re-elected in 1914. Re-elected in 1916. Re-elected in 1918. Retired. | 1903–1933: Middlesex, Monmouth, and Ocean |
| T. Frank Appleby (Asbury Park) | Republican | March 4, 1921 – March 3, 1923 | 67th | Elected in 1920. Lost re-election. | 1903–1933: Middlesex, Monmouth, and Ocean |
| Elmer H. Geran (Matawan) | Democratic | March 4, 1923 – March 3, 1925 | 68th | Elected in 1922. Lost re-election. | 1903–1933: Middlesex, Monmouth, and Ocean |
| Vacant | Vacant | March 3, 1925 – November 3, 1925 | 69th | Member-elect (and former member) T. Frank Appleby died December 15, 1924. | 1903–1933: Middlesex, Monmouth, and Ocean |
| Stewart H. Appleby (Asbury Park) | Republican | November 3, 1925 – March 3, 1927 | 69th | Elected to finish his father's term. Retired. | 1903–1933: Middlesex, Monmouth, and Ocean |
| Harold G. Hoffman (South Amboy) | Republican | March 4, 1927 – March 3, 1931 | 70th 71st | Elected in 1926. Re-elected in 1928. Retired to become Motor Vehicle Commissioner of New Jersey. | 1903–1933: Middlesex, Monmouth, and Ocean |
| William H. Sutphin (Matawan) | Democratic | March 4, 1931 – January 3, 1943 | 72nd 73rd 74th 75th 76th 77th | Elected in 1930. Re-elected in 1932. Re-elected in 1934. Re-elected in 1936. Re-elected in 1938. Re-elected in 1940. Lost re-election. | 1903–1933: Middlesex, Monmouth, and Ocean |
| William H. Sutphin (Matawan) | Democratic | March 4, 1931 – January 3, 1943 | 72nd 73rd 74th 75th 76th 77th | Elected in 1930. Re-elected in 1932. Re-elected in 1934. Re-elected in 1936. Re-elected in 1938. Re-elected in 1940. Lost re-election. | 1933–1943: Monmouth, Ocean, and Parts of Middlesex (south of Raritan River) |
| James C. Auchincloss (Rumson) | Republican | January 3, 1943 – January 3, 1965 | 78th 79th 80th 81st 82nd 83rd 84th 85th 86th 87th 88th | Elected in 1942. Re-elected in 1944. Re-elected in 1946. Re-elected in 1948. Re-elected in 1950. Re-elected in 1952. Re-elected in 1954. Re-elected in 1956. Re-elected in 1958. Re-elected in 1960. Re-elected in 1962. Retired. | 1943–1963: [data missing] |
| James C. Auchincloss (Rumson) | Republican | January 3, 1943 – January 3, 1965 | 78th 79th 80th 81st 82nd 83rd 84th 85th 86th 87th 88th | Elected in 1942. Re-elected in 1944. Re-elected in 1946. Re-elected in 1948. Re-elected in 1950. Re-elected in 1952. Re-elected in 1954. Re-elected in 1956. Re-elected in 1958. Re-elected in 1960. Re-elected in 1962. Retired. | 1963–1965 Monmouth and Ocean |
| James J. Howard (Spring Lake Heights) | Democratic | January 3, 1965 – March 25, 1988 | 89th 90th 91st 92nd 93rd 94th 95th 96th 97th 98th 99th 100th | Elected in 1964. Re-elected in 1966. Re-elected in 1968. Re-elected in 1970. Re-elected in 1972. Re-elected in 1974. Re-elected in 1976. Re-elected in 1978. Re-elected in 1980. Re-elected in 1982. Re-elected in 1984. Re-elected in 1986. Died. | 1963–1965 Monmouth and Ocean |
| James J. Howard (Spring Lake Heights) | Democratic | January 3, 1965 – March 25, 1988 | 89th 90th 91st 92nd 93rd 94th 95th 96th 97th 98th 99th 100th | Elected in 1964. Re-elected in 1966. Re-elected in 1968. Re-elected in 1970. Re-elected in 1972. Re-elected in 1974. Re-elected in 1976. Re-elected in 1978. Re-elected in 1980. Re-elected in 1982. Re-elected in 1984. Re-elected in 1986. Died. | 1967–1969: Monmouth, Parts of Middlesex (Sayreville, South Amboy, and Old Bridge Township), and Parts of Ocean (Jackson Township, Lakewood Township, and Plumsted Township) |
| James J. Howard (Spring Lake Heights) | Democratic | January 3, 1965 – March 25, 1988 | 89th 90th 91st 92nd 93rd 94th 95th 96th 97th 98th 99th 100th | Elected in 1964. Re-elected in 1966. Re-elected in 1968. Re-elected in 1970. Re-elected in 1972. Re-elected in 1974. Re-elected in 1976. Re-elected in 1978. Re-elected in 1980. Re-elected in 1982. Re-elected in 1984. Re-elected in 1986. Died. | 1969–1973: Monmouth, Parts of Middlesex (Old Bridge Township), and Parts of Ocean (Jackson Township, Lakewood Township, and Plumsted Township) |
| James J. Howard (Spring Lake Heights) | Democratic | January 3, 1965 – March 25, 1988 | 89th 90th 91st 92nd 93rd 94th 95th 96th 97th 98th 99th 100th | Elected in 1964. Re-elected in 1966. Re-elected in 1968. Re-elected in 1970. Re-elected in 1972. Re-elected in 1974. Re-elected in 1976. Re-elected in 1978. Re-elected in 1980. Re-elected in 1982. Re-elected in 1984. Re-elected in 1986. Died. | 1973–1975: [data missing] |
| James J. Howard (Spring Lake Heights) | Democratic | January 3, 1965 – March 25, 1988 | 89th 90th 91st 92nd 93rd 94th 95th 96th 97th 98th 99th 100th | Elected in 1964. Re-elected in 1966. Re-elected in 1968. Re-elected in 1970. Re-elected in 1972. Re-elected in 1974. Re-elected in 1976. Re-elected in 1978. Re-elected in 1980. Re-elected in 1982. Re-elected in 1984. Re-elected in 1986. Died. | 1975–1983: Monmouth (excluding Aberdeen Township, Allentown, Roosevelt, and Upper Freehold Township) and parts of Ocean (Lakewood Township, Point Pleasant, and Point Pleasant Beach) |
| James J. Howard (Spring Lake Heights) | Democratic | January 3, 1965 – March 25, 1988 | 89th 90th 91st 92nd 93rd 94th 95th 96th 97th 98th 99th 100th | Elected in 1964. Re-elected in 1966. Re-elected in 1968. Re-elected in 1970. Re-elected in 1972. Re-elected in 1974. Re-elected in 1976. Re-elected in 1978. Re-elected in 1980. Re-elected in 1982. Re-elected in 1984. Re-elected in 1986. Died. | 1983–?: Parts of Middlesex, Monmouth, and Ocean |
| James J. Howard (Spring Lake Heights) | Democratic | January 3, 1965 – March 25, 1988 | 89th 90th 91st 92nd 93rd 94th 95th 96th 97th 98th 99th 100th | Elected in 1964. Re-elected in 1966. Re-elected in 1968. Re-elected in 1970. Re-elected in 1972. Re-elected in 1974. Re-elected in 1976. Re-elected in 1978. Re-elected in 1980. Re-elected in 1982. Re-elected in 1984. Re-elected in 1986. Died. | ?–1993: Coastal areas of Monmouth and Ocean |
| Vacant | Vacant | March 25, 1988 – November 8, 1988 | 100th | | ?–1993: Coastal areas of Monmouth and Ocean |
| Frank Pallone (Long Branch) | Democratic | November 8, 1988 – January 3, 1993 | 100th 101st 102nd | Elected to finish Howard's term. Also elected to the next full term. Re-elected in 1990. Redistricted to the 6th district. | ?–1993: Coastal areas of Monmouth and Ocean |
| Jim Saxton (Mount Holly) | Republican | January 3, 1993 – January 3, 2009 | 103rd 104th 105th 106th 107th 108th 109th 110th | Redistricted from the 13th district and re-elected in 1992. Elected in 1994. Re-elected in 1996. Re-elected in 1998. Re-elected in 2000. Re-elected in 2002. Re-elected in 2004. Re-elected in 2006. Retired. | 1993–2003: Parts of Camden, Burlington, and Ocean |
| Jim Saxton (Mount Holly) | Republican | January 3, 1993 – January 3, 2009 | 103rd 104th 105th 106th 107th 108th 109th 110th | Redistricted from the 13th district and re-elected in 1992. Elected in 1994. Re-elected in 1996. Re-elected in 1998. Re-elected in 2000. Re-elected in 2002. Re-elected in 2004. Re-elected in 2006. Retired. | 2003–2013: Parts of Camden, Burlington, and Ocean |
| John Adler (Cherry Hill) | Democratic | January 3, 2009 – January 3, 2011 | 111th | Elected in 2008. Lost re-election. | 2003–2013: Parts of Camden, Burlington, and Ocean |
| Jon Runyan (Mount Laurel) | Republican | January 3, 2011 – January 3, 2015 | 112th 113th | Elected in 2010. Re-elected in 2012. Retired. | 2003–2013: Parts of Camden, Burlington, and Ocean |
| Jon Runyan (Mount Laurel) | Republican | January 3, 2011 – January 3, 2015 | 112th 113th | Elected in 2010. Re-elected in 2012. Retired. | 2013–2023: Parts of Burlington and Ocean |
| Tom MacArthur (Toms River) | Republican | January 3, 2015 – January 3, 2019 | 114th 115th | Elected in 2014. Re-elected in 2016. Lost re-election. | 2013–2023: Parts of Burlington and Ocean |
| Andy Kim (Moorestown) | Democratic | January 3, 2019 – December 8, 2024 | 116th 117th 118th | Elected in 2018. Re-elected in 2020. Re-elected in 2022. Resigned after being elected and appointed as U.S. Senator. | 2013–2023: Parts of Burlington and Ocean |
| Andy Kim (Moorestown) | Democratic | January 3, 2019 – December 8, 2024 | 116th 117th 118th | Elected in 2018. Re-elected in 2020. Re-elected in 2022. Resigned after being elected and appointed as U.S. Senator. | 2023–present: Parts of Burlington, Mercer, and Monmouth |
| Vacant | Vacant | December 8, 2024 – January 3, 2025 | 118th | | 2023–present: Parts of Burlington, Mercer, and Monmouth |
| Herb Conaway (Delran Township) | Democratic | January 3, 2025 – present | 119th | Elected in 2024. | 2023–present: Parts of Burlington, Mercer, and Monmouth |
* ↑ Remainder of Middlesex County was moved to the new 15th district in 1962.

## Recent election results
### 2012

New Jersey's 3rd congressional district, 2012 :
| Party | Party | Candidate | Votes | % |
| | Republican | Jon Runyan (incumbent) | 174,253 | 53.7 |
| | Democratic | Shelley Adler | 145,509 | 44.9 |
| | Independent | Robert Forchion | 1,965 | 0.6 |
| | Independent | Robert Shapiro | 1,104 | 0.3 |
| | Independent | Frederick John Lavergne | 770 | 0.2 |
| | Independent | Robert Witterschein | 530 | 0.2 |
| | Independent | Christopher Dennick | 280 | 0.1 |
| Total votes | Total votes | Total votes | 324,411 | 100.0 |
| | Republican hold | Republican hold | Republican hold | Republican hold |

### 2014

New Jersey's 3rd congressional district, 2014 :
| Party | Party | Candidate | Votes | % |
| | Republican | Tom MacArthur | 100,471 | 54.0 |
| | Democratic | Aimee Belgard | 82,537 | 44.3 |
| | Independent | Frederick John Lavergne | 3,095 | 1.7 |
| Total votes | Total votes | Total votes | 186,103 | 100.0 |
| | Republican hold | Republican hold | Republican hold | Republican hold |

### 2016

New Jersey's 3rd congressional district, 2016 :
| Party | Party | Candidate | Votes | % |
| | Republican | Tom MacArthur (incumbent) | 194,596 | 59.3 |
| | Democratic | Frederick John Lavergne | 127,526 | 38.9 |
| | Constitution | Lawrence W. Berlinski Jr. | 5,938 | 1.8 |
| Total votes | Total votes | Total votes | 328,060 | 100.0 |
| | Republican hold | Republican hold | Republican hold | Republican hold |

### 2018

New Jersey's 3rd congressional district, 2018 :
| Party | Party | Candidate | Votes | % |
| | Democratic | Andy Kim | 153,473 | 50.0 |
| | Republican | Tom MacArthur (incumbent) | 149,500 | 48.7 |
| | Constitution | Larry Berlinski | 3,902 | 1.3 |
| Total votes | Total votes | Total votes | 306,875 | 100.0 |
| | Democratic gain from Republican | Democratic gain from Republican | Democratic gain from Republican | Democratic gain from Republican |

### 2020

New Jersey's 3rd congressional district, 2020 :
| Party | Party | Candidate | Votes | % |
| | Democratic | Andy Kim (incumbent) | 229,840 | 53.2 |
| | Republican | David Richter | 196,327 | 45.5 |
| | Independent | Martin Weber | 3,724 | 0.9 |
| | Independent | Robert Shapiro | 1,871 | 0.4 |
| Total votes | Total votes | Total votes | 431,762 | 100.0 |
| | Democratic hold | Democratic hold | Democratic hold | Democratic hold |

### 2022

New Jersey's 3rd congressional district, 2022 :
| Party | Party | Candidate | Votes | % |
| | Democratic | Andy Kim (incumbent) | 150,498 | 55.5 |
| | Republican | Bob Healey | 118,415 | 43.6 |
| | Libertarian | Christopher Russomanno | 1,347 | 0.5 |
| | Independent | Gregory Sobocinski | 1,116 | 0.4 |
| Total votes | Total votes | Total votes | 271,376 | 100.0 |
| | Democratic hold | Democratic hold | Democratic hold | Democratic hold |