How Many House And Senate Seats Are Up 2024. Two competitive house seats in arizona are up for grabs, too. Senate and republicans had a majority in the u.s.

Moving to the house, where 126 women currently serve, making up 29 percent of the (435) total seats, the center for american. Senate seats up for regular election in 2024—10 seats held by republicans, 19 held by democrats, and four held by independents who caucus with democrats.