| DIST. | COUNTIES. | NAMES OF MEMBERS. |
| 20 | Johnson and Iowa | Samuel J. Kirkwood. |
| 21 | Scott | Nicholas J. Rusch. |
| 22 | Cedar | Jonathan W. Cattell. |
| 23 | Clinton | George M. Davis. |
| 24 | Linn | William G. Thompson. |
| 25 | Linn, Benton, Black Hawk and Buchanan | George McCoy. |
| 26 | Poweshiek, Jasper, Marshall, and Tama | Josiah B. Grinnell. |
| 27 | Polk, Dallas and Guthrie | William P. Davis. |
| 28 | Jackson | Jeremiah W. Jenkins. |
| 29 | Jackson and Jones | Joseph Mann. |
| 30 | Dubuque | William G. Stewart. |
| 31 | Dubuque and Delaware | David S. Wilson. |
| 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, 14; Republicans, 22.
House of Representatives.
| Stephen B. Shelledy, Speaker, Republican. |
| William P. Hepburn, Chief Clerk, Republican. |
| DIST. | COUNTIES. | NAMES OF MEMBERS. |
| 1 | Allamakee | George W. Gray. |
| 2 | Winneshiek | E. E. Cooley. |
| 3 | Fayette | Robert A. Richardson. |
| 4 | Clayton | L. G. Collins, W. H. Sterns. |
| 5 | Buchanan and Fayette | J. S. Woodward. |
| 6 | Black Hawk | Zimri Streeter. |
| 7 | Dubuque | Theophilus Crawford, Lincoln Clark, Dennis A. Mahoney. |
| 8 | Delaware | Joseph Grimes. |
| 9 | Dubuque, Jones and Clayton | W. S. Johnson. |
| 10 | Benton | Thomas Drummond. |
| 11 | Howard, Chickasaw, Bremer | W. P. Harmon. |
| 12 | Mitchell, Floyd and Butler | Matthew M. Trumbull. |
| 13 | Worth, Cerro Gordo, Franklin, Wright. Hancock, Winnebago, Kossuth, Webster, Hamilton, Calhoun, Pocahontas, Palo Alto, Sac, Buena Vista, Clay, Dickinson and Emmet | Cyrus C. Carpenter. |
| 14 | Pottawattamie, Harrison, Shelby, Monona, Crawford, Woodbury, Ida, Plymouth, Cherokee, O’Brien, Osceola and Buncombe | Samuel H. Casady. |
| 15 | Guthrie, Dallas, Cass, Adair | Leroy Lambert. |
| 16 | Boone, Greene, Carroll, Audubon | Cornelius Beal. |
| 17 | Hardin, Grundy and Story | John L. Dana. |
| 18 | Tama and Marshall | T. Walter Jackson. |
| 19 | Polk | Thomas Mitchell. |
| 20 | Jasper | Stephen B. Shelledy. |
| 21 | Iowa, Poweshiek, Mahaska | William H. Seevers. |
| 22 | Johnson | John Clark, J. Cavanaugh. |
| 23 | Linn | E. D. Wain, Ellsworth N. Bates. |
| 24 | Jones | H. Steward. |
