Key: States in red are those with both senators voting to acquit; states in orange were split; states in yellow are those with both senators voting to convict; states in gray were unrepresented in the Senate in 1868; states in white were not yet admitted.

(c) 1999 Linder

Yeas (Voting to convict)-- 35:
Anthony (R.I.), Cameron (PA), Cattell (NJ), Chandler (MI), Cole (CA), Conkling (NY), Conness (CA), Corbett (OR), Cragin (NH), Drake (MO), Edmunds (VT), Ferry (CT), Frelinghuysen (NJ), Harlan (IA), Howard (MI), Howe (WI), Morgan (NY), Morrill (ME), Morton (IN), Nye (NV), Patterson (NH), Pomeroy (KS), Ramsey (MN), Sherman (OH), Sprague (RI), Stewart (NV), Sumner (MA), Thayer (NE), Tipton (NE), Wade (OH), Willey (WV), Williams (OR), Wilson (MA), Yates (IL).
Nays (Voting to acquit)-- 19:
Bayard (DE), Buckalew (PA), Davis (KY), Dixon (CT), Doolittle (WI), Fessenden (ME), Fowler (TN), Grimes (IA), Henderson (MO), Hendricks (IN), Johnson (MD), Patterson (TN), Ross (KS), Saulsbury (DE), Trumbull (IL), Van Winkle (WV), Vickers (MD).