| Delegate | Party | Years | Cong ress | Electoral history |
|---|
| District created in 1864 |
Charles Debrille Poston (Tubac) | Republican | December 5, 1864 – March 3, 1865 | 38th | Elected in 1864. Lost re-election. |
| Vacant | March 4, 1865 – January 17, 1866 | 39th | Election was held late and Goodwin took months to arrive in Washington. |
John Noble Goodwin (Prescott) | Republican | January 17, 1866 – March 3, 1867 | Elected September 6, 1865. [4] Retired. |
Coles Bashford (Tucson) | Independent | March 4, 1867 – March 3, 1869 | 40th | Elected in 1866. Retired to become Secretary of State of Arizona Territory. |
Richard C. McCormick (Tucson) | Unionist | March 4, 1869 – March 3, 1875 | 41st 42nd 43rd | Elected June 3, 1868. Re-elected November 8, 1870. Re-elected November 8, 1872. [9] Retired. |
Hiram Sanford Stevens (Tucson) | Democratic | March 4, 1875 – March 3, 1879 | 44th 45th | Elected in 1874. [10] Re-elected in 1876. Lost re-election. |
John G. Campbell (Prescott) | Democratic | March 4, 1879 – March 3, 1881 | 46th | Elected in 1878. Retired. |
G. H. Oury (Florence) | Democratic | March 4, 1881 – March 3, 1885 | 47th 48th | Elected in 1880. Re-elected in 1882. Retired. |
Curtis Coe Bean (Prescott) | Republican | March 4, 1885 – March 3, 1887 | 49th | Elected in 1884. Lost re-election. |
Marcus A. Smith (Tombstone) | Democratic | March 4, 1887 – March 3, 1895 | 50th 51st 52nd 53rd | Elected in 1886. Re-elected in 1888. Re-elected in 1890. Re-elected in 1892. Lost re-election. |
Oakes Murphy (Phoenix) | Republican | March 4, 1895 – March 3, 1897 | 54th | Elected in 1894. Retired. |
Marcus A. Smith (Tucson) | Democratic | March 4, 1897 – March 3, 1899 | 55th | Elected in 1896. Retired. |
John Frank Wilson (Prescott) | Democratic | March 4, 1899 – March 3, 1901 | 56th | Elected in 1898. Retired. |
Marcus A. Smith (Tucson) | Democratic | March 4, 1901 – March 3, 1903 | 57th | Elected in 1900. Retired. |
John Frank Wilson (Prescott) | Democratic | March 4, 1903 – March 3, 1905 | 58th | Elected in 1902. Retired. |
Marcus A. Smith (Tucson) | Democratic | March 4, 1905 – March 3, 1909 | 59th 60th | Elected in 1904. Re-elected in 1906. Lost re-election. |
Ralph H. Cameron (Flagstaff) | Republican | March 4, 1909 – February 18, 1912 | 61st 62nd | Re-elected in 1908. Served until statehood. |
| District eliminated in 1912 |