| DIST. | COUNTIES. | NAMES OF MEMBERS. |
| 20 | Clinton | George M. Davis. |
| 21 | Cedar | James M. Kent. |
| 22 | Johnson | Jesse Bowen. |
| 23 | Polk | William P. Davis. |
| 24 | Jackson | George F. Green. |
| 25 | Jones | Joseph Mann. |
| 26 | Linn | H. G. Anglo. |
| 27 | Dubuque | David S. Wilson, George W. Trumbull. |
| 28 | Clayton | D. Hammer. |
| 29 | Warren | Paris P. Henderson. |
| 30 | Madison, Dallas and Adair | M. L. McPherson. |
| 31 | Pottawattamie, Cass, Harrison, Shelby, Audubon and Guthrie | W. H. M. Pusey. |
| 32 | Monona, Crawford, Carroll, Greene, Woodbury, Sac, Ida, Calhoun, Webster, Humboldt, Pocahontas, Buena Vista, Cherokee, Plymouth, Sioux, O’Brien, Clay, Palo Alto, Kossuth, Emmet, Dickinson, Osceola and Buncombe | John F. Duncombe. |
| 33 | Iowa and Poweshiek | J. J. Watson. |
| 34 | Jasper and Marshall | A. M. Pattison. |
| 35 | Benton and Tama | Thomas Drummond. |
| 36 | Grundy, Black Hawk, Butler and Franklin | A. F. Brown. |
| 37 | Delaware and Buchanan | David C. Hastings. |
| 38 | Fayette and Bremer | Lucian L. Ainsworth. |
| 39 | Allamakee and Winneshiek | George W. Gray. |
| 40 | Howard, Chickasaw, Mitchell, Floyd, Cerro Gordo, Worth, Hancock, Winnebago and Wright | Julius H. Powers. |
| 41 | Story, Boone, Hardin and Hamilton | John Scott. |
Republicans, 23; Democrats, 20.
House of Representatives.
| John Edwards, Speaker, Republican. |
| Charles Aldrich, Chief Clerk, Republican. |
| DIST. | COUNTIES. | NAMES OF MEMBERS. |
| 1 | Lee | E. S. McCulloch, Calvin J. Price, Nathaniel G. Hedges, Thomas W. Clagett. |
| 2 | Van Buren | John M. Whitaker, Henry Clay Caldwell. |
| 3 | Davis | Harvey Dunlavy, Marvin Hotchkiss. |
| 4 | Appanoose | Frederick A. Stephens. |
| 5 | Wayne | Hartley Bracewell. |
| 6 | Decatur | Racine D. Kellogg. |
| 7 | Ringgold and Taylor | Reuben A. Moser. |
| 8 | Page and Fremont | Reuben F. Conner. |
| 9 | Des Moines | Justus Clark, Moses W. Robinson, Jonathan C. Hall. |
| 10 | Henry | Alvah H. Bereman, A. J. Withrow. |
| 11 | Jefferson | Matthew Clark, W. W. Cottle. |
| 12 | Wapello | Jonathan C. Mitchell, James Doggett. |
| 13 | Monroe | L. O. Haskell. |
| 14 | Lucas | John Edwards. |
| 15 | Clarke | John L. Millard. |
| 16 | Union, Adams, Adair, Cass | K. W. Macomber. |
| 17 | Montgomery and Mills | Washington Darling. |
| 18 | Louisa | John H. Williamson. |
| 19 | Muscatine | Michael Price, George C. Shipman. |
| 20 | Washington | Matthew Morehead, Robert Glasgow. |
| 21 | Keokuk | H. Campbell, George P. Ellis. |
| 22 | Mahaska | Mahlon Stanton, Thomas N. Barnes. |
| 23 | Marion | Martin B. Bennett, Israel C. Curtis. |
