Iowa
- Senate
- 3: James Harlan (1820-1899), Republican
- 2: James W. Grimes (1816-1872), Republican
- House regarding Representatives (6 seats)
- 1: James F. Wilson (1828-1895), Republican
- 2: Hiram Price (1814-1901), Republican
- 3: William B. Allison (1829-1908), Republican
- 4: Josiah B. Grinnell (1821-1891), Republican
- 5: John A. Kasson (1822-1910), Republican
- 6: Asahel W. Hubbard (1819-1879), Republican
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