| DIST. | COUNTIES. | NAMES OF MEMBERS. |
| 28 | Jackson | Jeremiah W. Jenkins. |
| 29 | Jackson and Jones | Joseph Birge. |
| 30 | Dubuque | William G. Stewart. |
| 31 | Dubuque and Delaware | William W. Hamilton. |
| 32 | Clayton | Henry B. Carter. |
| 33 | Fayette, Bremer, Butler, Franklin, Grundy, Hardin, Wright, Webster, Boone, Story, Greene and Humboldt | Aaron Brown. |
| 34 | Allamakee, Winneshiek, Howard, Chickasaw, Mitchell, Floyd, Worth, Cerro Gordo, Hancock, Winnebago, Bancroft and Kossuth | Jeremiah T. Atkins. |
Democrats, 12; Republicans, 23.
House of Representatives.
| Samuel McFarland, Speaker, Republican. |
| James W. Logan, Chief Clerk, Republican. |
| DIST. | COUNTIES. | NAMES OF MEMBERS. |
| 1 | Lee | Joseph Van Velkenburgh, Thomas Sawyer, J. B. Pease, J. H. Sullivan, W. H. Griswold. |
| 2 | Des Moines | Thomas J. R. Perry, J. Wilson Williams, E. D. Rand. |
| 3 | Ban Buren | David Doud, Jr., R. H. McDow, D. Hardy. |
| 4 | Davis | Barnett Milliser, David Mendenhall. |
| 5 | Jefferson | Charles O. Stanton, W. H. Copeland, Lewis Reeder. |
| 6 | Henry | Willett Dorland, Samuel McFarland. |
| 7 | Wapello | Cyrus Franklin, S. G.. Finney. |
| 8 | Wapello and Keokuk | Morrison F. Bottorf. |
| 9 | Monroe | Samuel Gossage. |
| 10 | Lucas, Clarke and Union | D. W. Scoville. |
| 11 | Appanoose | James Galbraith. |
| 12 | Wayne and Decatur | Thomas M. Bowen. |
| 13 | Fremont | William Kelsey. |
| 14 | Mills, Taylor, Page, Montgomery, Ringgold and Adams | Samuel H. Moer. |
| 15 | Pottawattamie | A. V. Lartimer. |
| 16 | Harrison, Shelby, Woodbury, Monona, Audubon, Crawford, Carroll, Calhoun, Sac, Ida, Cherokee, Buena Vista, Pocahontas, Palo Alto, Emmet, Clay, Dickinson, Osceola, O'Brian, Plymouth, Sioux and Buncombe | N. G. Wyatt. |
| 17 | Louisa | N. W. Burris. |
| 18 | Washington | William B. Lewis. |
| 19 | Louisa and Washington | Andrew J. Kirkpatrick. |
| 20 | Keokuk | Abraham C. Price. |
| 21 | Mahaska | R. M. Wilson, John H. Fry. |
| 22 | Marion | Green T. Clark, Miles Jordan. |
| 23 | Warren | C. B. Jones. |
| 24 | Madison, Adair and Cass | Benjamin F. Roberts. |
| 25 | Muscatine | David C. Cloud, J. A. Mills. |
| 26 | Johnson | George D. Wooden. |
| 27 | Johnson and Iowa | Phineas Inskeep. |
| 28 | Scott | Eli S. Wing, Horatio G. Barner, Robert H. Rogers. |
| 29 | Cedar | Ed. Wright. |
| 30 | Clinton | Charles H. Toll. |
| 31 | Clinton and Cedar | E. M. Wright. |
| 32 | Linn | John E. Kurtz, Daniel Lothian. |
