United States Senate elections, 1970 Senate composition as a result of the elections Senate composition as a result of the elections

| D_50_O | D_49_ | D_48_ | D_47_ | D_46_ | D_45_ | D_44_ | D_43_ | D_42_ | D_41_ |
|---|---|---|---|---|---|---|---|---|---|
| D 51 O | ← Majority | ← Majority | ← Majority | ← Majority | ← Majority | ← Majority | ← Majority | ← Majority | ← Majority |
| D 51 O | D 52 O | D 53 + | D 54 + | I 1 @ | C 1 + | R 44 + | R 43 + | R 42 + | R 41 + |
| R 31 | R 32 | R 33 | R 34 √ | R 35 √ | R 36 √ | R 37 √ | R 38 √ | R 39 √ | R 40 O |
| R 30 | R 29 | R 28 | R 27 | R 26 | R 25 | R 24 | R 23 | R 22 | R 21 |
| R 11 | R 12 | R 13 | R 14 | R 15 | R 16 | R 17 | R 18 | R 19 | R 20 |
| R 10 | R 9 | R 8 | R 7 | R 6 | R 5 | R 4 | R 3 | R 2 | R 1 |