House of Representatives.
| Reuben Noble, Speaker, Whig. |
| Charles C. Nourse, Chief Clerk, Whig. |
| DIST. | COUNTIES. | NAMES OF MEMBERS. |
| 1 | Allamakee and Winneshiek | James D. McKay. |
| 2 | Clayton | Reuben Noble, Lafayette Bigelow. |
| 3 | Fayette, Chickasaw, Butler, Bremer, Black Hawk, Grundy, Franklin, Cerro Gordo, Floyd, Howard, Mitchell and Worth | Jacob W. Rogers. |
| 4 | Delaware and Buchanan | Thomas E. Turner. |
| 5 | Dubuque | Richard Bonson, John M. Moore, Ben M. Samuels, William S. Hall. |
| 6 | Jackson | James P. Eddie, Thomas S. Smith. |
| 7 | Jones | William H. Holmes. |
| 8 | Jackson and Jones | David Kinert. |
| 9 | Cedar | Allen D. Graham. |
| 10 | Clinton | Joseph A. Brown. |
| 11 | Scott | Amos Witter, Andrew J. Hyde. |
| 12 | Cedar, Clinton and Scott | George Smith. |
| 13 | Washington | Samuel A. Russell. |
| 14 | Louisa | John C. Lockwood. |
| 15 | Washington and Louisa | James N. Young. |
| 16 | Muscatine | Reasin Pritchard, John H. Pignan. |
| 17 | Des Moines | Thomas L. Sargeant, John L. Corse, Joshua Tracy, George S. Albright. |
| 18 | Henry | Willet Dorland, Francis White, Samuel McFarland. |
| 19 | Lee | George Newsam, William Damon, Josiah Hinkle, Horace Dewey, Samuel Boyles, Robert P. Creel. |
| 20 | Linn | John P. Conkey, Robert Holmes. |
| 21 | Johnson | Samuel H. McCrory. |
| 22 | Johnson and Iowa | Rolla Johnson. |
| 23 | Poweshiek, Jasper, Benton and Tama | John Connell. |
| 24 | Van Buren | George N. Rosser, Joseph Barker, Robert Meek, Henry Weatherington. |
| 25 | Jefferson | James Wamsley, Edmund Meachem, Robert Stephenson. |
| 26 | Davis | O. D. Tisdale, D. C. Greenleaf. |
| 27 | Wapello | Samuel K. Creamer, Nimrod Poston. |
| 28 | Wapello and Keokuk | Cyrus Franklin. |
| 29 | Keokuk | W. F. Morgan. |
| 30 | Appanoose | William Monroe. |
| 31 | Monroe | Matthew A. Goodfellow. |
| 32 | Wayne, Decatur, Lucas, Clarke | S. P. Yeomans. |
| 33 | Mahaska | Samuel Coffin, Micajah Williams. |
| 34 | Marion | James M. Walters, Green T. Clark. |
| 35 | Marion, Warren and Madison | P. Gad Bryan, Jarius E. Neal. |
| 36 | Polk | Alfred M. Lyon. |
| 37 | Polk, Dallas and Guthrie | Ezra Vanfossen. |
| 38 | Greene, Boone, Story, Hardin, Webster, Yell, Fox, Pocahontas, Humboldt, Wright, Hancock, Kossuth, Palo Alto, Emmet, Bancroft, Winnebago and Marshall | Samuel B. McCall. |
| 39 | Fremont, Page, Taylor and Ringgold | William Dewey. |
| 40 | Mills, Montgomery, Adams, Union, Adair, Audubon and Cass | Richard Tutt. |
| 41 | Pottawattamie | Daniel S. Jackson, John T. Baldwin. |
