United States Senate elections, 1968 Senate composition as a result of the elections Senate composition as a result of the elections

| D_50_ | D_49_ | D_48_ | D_47_ | D_46_ | D_45_ | D_44_ | D_43_ | D_42_ | D_41_ |
|---|---|---|---|---|---|---|---|---|---|
| D 51 √ | ← Majority | ← Majority | ← Majority | ← Majority | ← Majority | ← Majority | ← Majority | ← Majority | ← Majority |
| D 51 √ | D 52 √ | D 53 √ | D 54 O | D 55 O | D 56 O | D 57 + | D 58 + | R 42 + | R 41 + |
| R 31 √ | R 32 √ | R 33 √ | R 34 O | R 35 O | R 36 + | R 37 + | R 38 + | R 39 + | R 40 + |
| R 30 √ | R 29 √ | R 28 √ | R 27 √ | R 26 | R 25 | R 24 | R 23 | R 22 | R 21 |