Member (Residence) | Party | Years | Cong ress | Electoral history |
|---|
| District established March 4, 1847 |
 James Wilson II (Keene) | Whig | March 4, 1847 – September 9, 1850 | 30th 31st | Elected in 1847. Re-elected in 1849. Resigned. |
| Vacant | September 9, 1850 – October 8, 1850 | 31st | |
 George W. Morrison (Manchester) | Democratic | October 8, 1850 – March 3, 1851 | Elected to finish Wilson's term. Lost re-election. |
Jared Perkins (Winchester) | Whig | March 4, 1851 – March 3, 1853 | 32nd | Elected in 1851. Lost re-election. |
 Harry Hibbard (Bath) | Democratic | March 3, 1853 – March 3, 1855 | 33rd | Redistricted from the4th district andre-elected in 1853. Retired. |
 Aaron H. Cragin (Lebanon) | American | March 4, 1855 – March 3, 1857 | 34th 35th | Elected in 1855. Re-elected in 1857. Retired. |
| Republican | March 4, 1857 – March 3, 1859 |
 Thomas M. Edwards (Keene) | Republican | March 4, 1859 – March 3, 1863 | 36th 37th | Elected in 1859. Re-elected in 1861. Retired. |
 James W. Patterson (Hanover) | Republican | March 4, 1863 – March 3, 1867 | 38th 39th | Elected in 1863. Re-elected in 1865. Retired torun for U.S. senator. |
 Jacob Benton (Lancaster) | Republican | March 4, 1867 – March 3, 1871 | 40th 41st | Elected in 1867. Re-elected in 1869. Retired. |
 Hosea Washington Parker (Claremont) | Democratic | March 4, 1871 – March 3, 1875 | 42nd 43rd | Elected in 1871. Re-elected in 1873. Lost re-election. |
 Henry W. Blair (Plymouth) | Republican | March 4, 1875 – March 3, 1879 | 44th 45th | Elected in 1875. Re-elected in 1877. Retired torun for U.S. senator. |
 Evarts Worcester Farr (Littleton) | Republican | March 4, 1879 – November 30, 1880 | 46th | Elected in 1878. Re-elected in 1880 but died before the next term began. |
| Vacant | November 30, 1880 – January 8, 1881 | |
 Ossian Ray (Lancaster) | Republican | January 8, 1881 – March 3, 1883 | 46th 47th | Elected December 28, 1880 to finish Farr's term and seated January 8, 1881. Also elected December 28, 1880 to the next term. Redistricted to the2nd district. |
| District dissolved March 3, 1883 |