| DIST. | COUNTIES. | NAMES OF MEMBERS. |
| 33 | Poweshiek and Jasper | David Edmundson. |
| 34 | Benton, Tama and Marshall | Delos Arnold. |
| 35 | Polk | William P. Davis. |
| 36 | Polk, Dallas and Guthrie | Benjamin Green. |
| 37 | Jackson | William Mordan, Jacob K. Hershberger. |
| 38 | Jones | William H. Holmes. |
| 39 | Jackson and Jones | William Thomas. |
| 40 | Delaware | James M. Noble. |
| 41 | Black Hawk and Buchanan | Morrison Bailey. |
| 42 | Dubuque | John M. Moore, Winslow T. Barker, Thomas Hardie, Daniel Cort. |
| 43 | Clayton | La Fayette Bigelow, Francis Rodman. |
| 44 | Boone, Webster, Story, Hardin, Greene, Frankin, Wright, and Humboldt | Walter C. Wilson. |
| 45 | Allamakee | James Bryson. |
| 46 | Winneshiek, Howard, Mitchell, Worth, Winnebago and Bancroft | Claus L. Clausen. |
| 47 | Fayette | Robert A. Richardson. |
| 48 | Bremer, Chickasaw, Butler, Floyd, Cerro Gordo, Hancock, Kossuth and Grundy | E. R Gillett. |
Democrats, 26; Republicans, 44.
E. M. Wright of Clinton died at the beginning of the session, and his seat remained vacant.
The Assembly Adjourned January 29, 1857.
The Third Constitutional Convention.
Convened at Iowa City, January 19, 1857.
| Francis Springer, President, Republican. |
| Thomas J. Saunders, Secretary, Republican. |
| DIST. | COUNTIES. | NAMES OF MEMBERS. |
| 1 | Lee | Edward Johnstone, William Patterson. |
| 2 | Lee and Van Buren | Squire Ayers. |
| 3 | Van Buren | Timothy Day. |
| 4 | Des Moines | Jonathan C. Hall, Moses W. Robinson. |
| 5 | Davis | David P. Palmer. |
| 6 | Jefferson | James F. Wilson. |
| 7 | Henry | Rufus L. B. Clarke |
| 8 | Wapello | George Gillaspy. |
| 9 | Monroe, Lucas and Clarke | John Edwards. |
| 10 | Appanoose, Wayne, Decatur | Amos Harris. |
| 11 | Fremont, Mills, Page, Taylor, Montgomery, Ringgold, Adams and Union | Daniel H. Solomon. |
| 12 | Pottawattamie, Harrison, Shelby, Woodbury, Monona, Audubon, Crawford, Carroll, Calhoun, Sac, Ida, Cherokee, Buena Vista, Pocahontas, Palo Alto, Emmet, Clay, Dickinson, Osceola, O’Brien, Plymouth, Sioux and Buncombe | Daniel W. Price. |
| 13 | Louisa | Francis Springer. |
| 14 | Washington | David Bunker. |
| 15 | Keokuk | Jeremiah Hollingsworth. |
| 16 | Mahaska | James A. Young. |
| 17 | Marion | Hiram D. Gibson. |
| 18 | Warren, Madison, Adair, Cass | Lewis Todhunter. |
| 19 | Muscatine | John A. Parvin. |
