2017 U.S. Senate election results
Results of all 1 Senate races in 2017 (seats won: Democratic 1); 1 changed party. Winners, margins and every candidate.
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States with a race in 2017, coloured by the winning party and shaded by margin. Grey: no race. Seats that changed party
All races
| State | Seat | Winner | Party | Margin | Before |
| Alabama special |
Class II | Gordon Douglas Jones |
Democratic |
1.6 |
Republican flip |
Source: FiveThirtyEight election-results; each race page links the official source it was compiled from.