| James B. Howell, 1870 to 1871. |
| George G. Wright, 1871 to 1877. |
| William B. Allison, 1873 to 1909. |
| Samuel J. Kirkwood, 1877 to 1881. |
| James M. McDill, 1881 to 1883. |
| James F. Wilson, 1883 to 1895. |
| John H. Gear, 1895 to 1901. |
John H. Gear was reëlected for six years from March 4, 1901, and died on the 14th of July, 1900.
Jonathan P. Dolliver, appointed by the Governer to fill the vacancy, 1900 to 1907.
REPRESENTATIVES IN CONGRESS.
| District. | Years. | |
| S. Clinton Hastings | 1846 to 1847. | |
| 2 | Shepherd Leffler | 1846 to 1851. |
| 1 | William Thompson | 1847 to 1850. |
| 1 | Daniel F. Miller | 1850 to 1851. |
| 1 | Bernhart Henn | 1851 to 1855. |
| 2 | Lincoln Clark | 1851 to 1853. |
| 2 | John P. Cook | 1853 to 1855. |
| 1 | Augustus Hall | 1855 to 1857. |
| 2 | James Thorington | 1855 to 1857. |
| 1 | Samuel R. Curtis | 1857, resigned May, 1861. |
| 2 | Timothy Davis | 1857 to 1859. |
| 2 | William Vandever | 1859, resigned September, 1861. |
| 1 | James F. Wilson | 1863 to 1869. |
| 2 | Hiram Price | 1863 to 1869. |
| 3 | William B. Allison | 1863 to 1871. |
| 4 | Josiah B. Grinnell | 1863 to 1S67. |
| 5 | John A. Kasson | 1863 to 1867. |
| 6 | Asahel W. Hubbard | 1863 to 1869. |
| 4 | William Loughridge | 1867 to 1871. |
| 5 | Grenville M. Dodge | 1867 to 1869. |
| 1 | George W. McCrary | 1869 to 1877. |
| 2 | William Smyth | 1869 to 1871. |
| 5 | Frank W. Palmer | 1869 to 1873. |
| 6 | Charles Pomeroy | 1869 to 1871. |
| 2 | Aylett R. Cotton | 1871 to 1875. |
| 3 | W. G. Donnan | 1871 to 1875. |
| 4 | M. M. Walden | 1871 to 1873. |
| 6 | Jackson Orr | 1871 to 1875. |
| 4 | Henry O. Pratt | 1873 to 1877. |
| 5 | James Wilson | 1873 to 1877. |
| 6 | William Loughridge | 1873 to 1875. |
| 7 | John A. Kasson | 1873 to 1877. |
| 8 | James W. McDill | 1873 to 1877. |
| 2 | J. Q. Tufts | 1875 to 1877. |
| 3 | L. L. Ainsworth | 1875 to 1877. |
| 6 | E. S. Sampson | 1875 to 1879. |
| 9 | Addison Oliver | 1875 to 1879. |
| 1 | J. C. Stone | 1877 to 1879. |
| 2 | Hiram Price | 1877 to 1881. |
| 3 | T. W. Burdick | 1877 to 1879. |
| 4 | N. C. Deering | 1877 to 1883. |
| 5 | Rush Clark | 1877 to 1881. |
| 7 | H. J. B. Cummings | 1877 to 1879. |
| 8 | W. F. Sapp | 1877 to 1881. |
| 1 | M. A. McCoid | 1879 to 1885. |
| 3 | Thomas Updegraff | 1879 to 1883. |
| 6 | James B. Weaver | 1879 to 1881. |
| 7 | E. H. Gillette | 1879 to 1881. |
| 9 | C. C. Carpenter | 1879 to 1883. |
