How Many House Seats Are Up In 2024 Senate. Previously, the republicans had a small majority in the house. There are 34 senate seats up for grabs, with about a half dozen of those likely to be decided by tight margins.

Senate were held on november 5, 2024, and 34 of the 100 seats were up for election. Control of 34 senate seats will be decided in the 2024 us general election.