Vermont . Charles W. Willard (R) . Luke P. Poland (R) . Worthington C. Smith (R) Virginia . Richard S. Ayer (R), from January 31, 1870 . James H. Platt Jr. (R), from January 26, 1870 . Charles H. Porter (R), from January 26, 1870 . George Booker (C), from January 26, 1870 . Robert Ridgway (C), from January 27, 1870 – October 16, 1870 Richard T. W. Duke (C), from November 8, 1870 . William Milnes Jr. (C), from January 27, 1870 . Lewis McKenzie (C), from January 31, 1870 . James K. Gibson (C), from January 28, 1870 West Virginia . Isaac H. Duval (R) . James C. McGrew (R) . John Witcher (R) Wisconsin . Halbert E. Paine (R) . Benjamin F. Hopkins (R), until January 1, 1870 David Atwood (R), from February 23, 1870 . Amasa Cobb (R) . Charles A. Eldredge (D) . Philetus Sawyer (R) . Cadwallader C. Washburn (R) Non-voting members . Richard C. McCormick (D) . Allen A. Bradford (R) . Solomon L. Spink (R) . Jacob K. Shafer (D) . James M. Cavanaugh (D) . J. Francisco Chaves (R) . William H. Hooper (D) . Selucius Garfielde (R) . Stephen F. Nuckolls (D), from December 6, 1869 Changes in membership The count below reflects changes from the beginning of the first session of this Congress. Senate Replacements: 6 Democratic: 1 seat net gain Republican: 1 seat net loss Deaths: 2 Resignations:2 Interim appointments: 2 Seats of newly re-admitted states: 8 Total seats with changes: 14 |- | Virginia (1) | rowspan=2 | Vacant | rowspan=2 | Virginia re-admitted to the Union | nowrap | John F. Lewis (R) | rowspan=2 | January 26, 1870 |- | Virginia (2) | nowrap | John W. Johnston (D) |- | Mississippi (1) | rowspan=2 | Vacant | rowspan=2 | Mississippi re-admitted to the Union | nowrap | Adelbert Ames (R) | rowspan=2 | February 23, 1870 |- | Mississippi (2) | nowrap | Hiram R Revels (R) |- | Texas (1) | rowspan=2 | Vacant | rowspan=2 | Texas re-admitted to the Union | nowrap | James W. Flanagan (R) | March 30, 1870 |- | Texas (2) | nowrap | Morgan C. Hamilton (R) | March 31, 1870 |- | Georgia (3) | rowspan=2 | Vacant | rowspan=2 | Georgia re-admitted to the Union | nowrap | Joshua Hill (R) | February 1,