United States Senate elections, 1958
Senate composition before the elections
Columns: D 48 | D 47 | D 46 | D 45 | D 44 | D 43 | D 42 | D 41
D 9 | D 10 | D 11 | D 12 | D 13 | D 14 | D 15 | D 16 | D 28 | D 27 | D 26 | D 25 | D 24 | D 23 | D 22 | D 21 | D 29 | D 30 | D 31 | D 32 | D 33 | D 34 | D 35 | D 36 | D 48 | D 47 | D 46 | D 45 | D 44 | D 43 | D 42 | D 41 | D 49 | ← Majority | ← Majority | ← Majority | ← Majority | ← Majority | ← Majority | ← Majority | D 49 | R 47 | R 46 | R 45 | R 44 | R 43 | R 42 | R 41 | R 29 | R 30 | R 31 | R 32 | R 33 | R 34 | R 35 | R 36 | R 28 | R 27 | R 26 | R 25 | R 24 | R 23 | R 22 | R 21 | R 9 | R 10 | R 11 | R 12 | R 13 | R 14 | R 15 | R 16 | R 8 | R 7 | R 6 | R 5 | R 4 | R 3 | R 2 | R 1