| Member (District home)
 | Party | Years | Cong ress
 | Electoral history | Counties/Towns | 
  | District established March 4, 1799 | 
  |  Franklin Davenport
 (Woodbury)
 | Federalist | March 4, 1799 – March 3, 1801
 | 6th | Elected in 1798. Redistricted to the at-large district and lost re-election.
 | Cape May, Cumberland, Gloucester, and Salem | 
  | District dissolved March 3, 1801 | 
  | District re-established March 4, 1843 | 
  | .jpg) William Wright
 (Newark)
 | Whig | March 4, 1843 – March 3, 1847
 | 28th 29th
 | Elected in 1842. Re-elected in 1844.
 Retired to run for governor.
 | Bergen, Essex, Hudson, and Passaic | 
  |  Dudley S. Gregory
 (Jersey City)
 | Whig | March 4, 1847 – March 3, 1849
 | 30th | Elected in 1846. Retired.
 | 
  |  James G. King
 (Hoboken)
 | Whig | March 4, 1849 – March 3, 1851
 | 31st | Elected in 1848. Retired.
 | 
  |  Rodman M. Price
 (Hoboken)
 | Democratic | March 4, 1851 – March 3, 1853
 | 32nd | Elected in 1850. Lost re-election.
 | 
  |  Alexander C. M. Pennington
 (Newark)
 | Whig | March 4, 1853 – March 3, 1855
 | 33rd 34th
 | Elected in 1852. Re-elected in 1854.
 Retired.
 | 1853–1863 Essex and Hudson
 | 
  | Opposition | March 4, 1855 – March 3, 1857
 | 
  |  Jacob R. Wortendyke
 (Jersey City)
 | Democratic | March 4, 1857 – March 3, 1859
 | 35th | Elected in 1856. Lost re-election.
 | Essex, Hudson, and Union (Union County formed from Essex (1857))
 | 
  |  William Pennington
 (Newark)
 | Republican | March 4, 1859 – March 3, 1861
 | 36th | Elected in 1858. Lost re-election.
 | 
  |  Nehemiah Perry
 (Newark)
 | Democratic | March 4, 1861 – March 3, 1865
 | 37th 38th
 | Elected in 1860. Re-elected in 1862.
 Retired.
 | 
  | 1863–1873 Hudson County and Newark
 | 
  |  Edwin R.V. Wright
 (Hudson City)
 | Democratic | March 4, 1865 – March 3, 1867
 | 39th | Elected in 1864. Retired.
 | 
  |  George A. Halsey
 (Newark)
 | Republican | March 4, 1867 – March 3, 1869
 | 40th | Elected in 1866. Lost re-election.
 | 
  |  Orestes Cleveland
 (Jersey City)
 | Democratic | March 4, 1869 – March 3, 1871
 | 41st | Elected in 1868. Lost re-election.
 | 
  |  George A. Halsey
 (Newark)
 | Republican | March 4, 1871 – March 3, 1873
 | 42nd | Elected in 1870. Retired.
 | 
  |  William W. Phelps
 (Englewood)
 | Republican | March 4, 1873 – March 3, 1875
 | 43rd | Elected in 1872. Lost re-election.
 | Bergen, Morris, and Passaic | 
  |  Augustus W. Cutler
 (Morristown)
 | Democratic | March 4, 1875 – March 3, 1879
 | 44th 45th
 | Elected in 1874. Re-elected in 1876.
 Retired.
 | 
  |  Charles H. Voorhis
 (Hackensack)
 | Republican | March 4, 1879 – March 3, 1881
 | 46th | Elected in 1878. Retired.
 | 
  |  John Hill
 (Boonton)
 | Republican | March 4, 1881 – March 3, 1883
 | 47th | Elected in 1880. Retired.
 | 
  |  William W. Phelps
 (Englewood)
 | Republican | March 4, 1883 – March 3, 1889
 | 48th 49th
 50th
 | Elected in 1882. Re-elected in 1884.
 Re-elected in 1886.
 Retired.
 | 
  |  Charles D. Beckwith
 (Paterson)
 | Republican | March 4, 1889 – March 3, 1891
 | 51st | Elected in 1888. Lost re-election.
 | 
  |  Cornelius A. Cadmus
 (Paterson)
 | Democratic | March 4, 1891 – March 3, 1895
 | 52nd 53rd
 | Elected in 1890. Re-elected in 1892.
 Retired.
 | 
  | Bergen and Passaic | 
  |  James F. Stewart
 (Paterson)
 | Republican | March 4, 1895 – March 3, 1903
 | 54th 55th
 56th
 57th
 | Elected in 1894. Re-elected in 1896.
 Re-elected in 1898.
 Re-elected in 1900.
 Lost re-election.
 | 
  |  Charles N. Fowler
 (Elizabeth)
 | Republican | March 4, 1903 – March 3, 1911
 | 58th 59th
 60th
 61st
 | Redistricted from the 8th district and re-elected in 1902. Re-elected in 1904.
 Re-elected in 1906.
 Re-elected in 1908.
 Retired to run for U.S. senator.
 | Morris, Union, and Warren | 
  |  William E. Tuttle Jr.
 (Westfield)
 | Democratic | March 4, 1911 – March 3, 1915
 | 62nd 63rd
 | Elected in 1910. Re-elected in 1912.
 Lost re-election.
 | 
  | Morris and Union | 
  |  John H. Capstick
 (Montville)
 | Republican | March 4, 1915 – March 17, 1918
 | 64th 65th
 | Elected in 1914. Re-elected in 1916.
 Died.
 | 
  | Vacant | March 17, 1918 – November 5, 1918
 | 
  | .jpg) William F. Birch
 (Dover)
 | Republican | November 5, 1918 – March 3, 1919
 | 65th | Elected to finish Capstick's term. Retired.
 | 
  |  Ernest R. Ackerman
 (Plainfield)
 | Republican | March 4, 1919 – October 18, 1931
 | 66th 67th
 68th
 69th
 70th
 71st
 72nd
 | Elected in 1918. Re-elected in 1920.
 Re-elected in 1922.
 Re-elected in 1924.
 Re-elected in 1926.
 Re-elected in 1928.
 Re-elected in 1930.
 Died.
 | 
  | Vacant | October 18, 1931 – December 1, 1931
 | 
  | .jpg) Percy Hamilton Stewart
 (Plainfield)
 | Democratic | December 1, 1931 – March 3, 1933
 | 72nd | Elected to finish Ackerman's term. Retired to run for U.S. senator.
 | 
  |  Charles A. Eaton
 (Watchung)
 | Republican | March 4, 1933 – January 3, 1953
 | 73rd 74th
 75th
 76th
 77th
 78th
 79th
 80th
 81st
 82nd
 | Redistricted from the 4th district and re-elected in 1932. Re-elected in 1934.
 Re-elected in 1936.
 Re-elected in 1938.
 Re-elected in 1940.
 Re-elected in 1942.
 Re-elected in 1944.
 Re-elected in 1946.
 Re-elected in 1948.
 Re-elected in 1950.
 Retired.
 | Morris, Somerset, and part of Middlesex (north of Raritan River) | 
  |  Peter Frelinghuysen Jr.
 (Morristown)
 | Republican | January 3, 1953 – January 3, 1975
 | 83rd 84th
 85th
 86th
 87th
 88th
 89th
 90th
 91st
 92nd
 93rd
 | Elected in 1952. Re-elected in 1954.
 Re-elected in 1956.
 Re-elected in 1958.
 Re-elected in 1960.
 Re-elected in 1962.
 Re-elected in 1964.
 Re-elected in 1966.
 Re-elected in 1968.
 Re-elected in 1970.
 Re-elected in 1972.
 Retired.
 | 
  | Morris and Somerset (Northern Middlesex removed to the new 15th District (1962))
 | 
  | District no longer follows county lines | 
  |  Millicent Fenwick
 (Bernardsville)
 | Republican | January 3, 1975 – January 3, 1983
 | 94th 95th
 96th
 97th
 | Elected in 1974. Re-elected in 1976.
 Re-elected in 1978.
 Re-elected in 1980.
 Redistricted to the 12th district and retired to run for U.S. Senator.
 | Somerset, parts of Morris, and parts of Mercer (Princeton Township, Princeton Borough and West Windsor) | 
  |  Marge Roukema
 (Ridgewood)
 | Republican | January 3, 1983 – January 3, 2003
 | 98th 99th
 100th
 101st
 102nd
 103rd
 104th
 105th
 106th
 107th
 | Redistricted from 7th district and re-elected in 1982. Re-elected in 1984.
 Re-elected in 1986.
 Re-elected in 1988.
 Re-elected in 1990.
 Re-elected in 1992.
 Re-elected in 1994.
 Re-elected in 1996.
 Re-elected in 1998.
 Re-elected in 2000.
 Retired.
 | Parts of Bergen, Hunterdon, Mercer (Hopewell Township, Hopewell Borough, and Pennington), Morris, Passaic, Sussex, and Warren | 
  | Sussex (excluding Byram and Green) and northern parts of Bergen and Passaic | 
  | [data missing] | 
  |  Scott Garrett
 (Wantage)
 | Republican | January 3, 2003 – January 3, 2017
 | 108th 109th
 110th
 111th
 112th
 113th
 114th
 | Elected in 2002. Re-elected in 2004.
 Re-elected in 2006.
 Re-elected in 2008.
 Re-elected in 2010.
 Re-elected in 2012.
 Re-elected in 2014.
 Lost re-election.
 | 2003–2013: 
  Warren, parts of Bergen, Passaic, and Sussex
 | 
  | 2013–2023: 
 .svg.png) Parts of Bergen, Passaic, Sussex, and Warren
 | 
  |  Josh Gottheimer
 (Wyckoff)
 | Democratic | January 3, 2017 – present
 | 115th 116th
 117th
 118th
 119th
 | Elected in 2016. Re-elected in 2018.
 Re-elected in 2020.
 Re-elected in 2022.
 Re-elected in 2024.
 | 
  | 2023–present: 
 _(new_version).svg.png) Parts of Bergen, Passaic, and Sussex
 |