36 out of 100 seats are up for election.
Democrat leading
Democrat won
Runoff
Republican leading
Republican won
Not up for election
| Democrats | Republicans | |
|---|---|---|
| Current Senate | 55 | 45 |
| Seats gained/lost | -8 | +8 |
| New Total | 46 | 53 |
All 435 seats are up for election. 218 are needed for a majority.
Democrat leading
Democrat won
Republican leading
Republican won
| Democrats | Republicans | |
|---|---|---|
| Seats won | 186 | 244 |