United States Senate elections, 1964 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_ |
|---|---|---|---|---|---|---|---|---|---|
| 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 |