Senate Seats By Party 2025. The upper chamber, which is. Senate seats up for regular election in 2025—10 seats held by republicans, 19 held by democrats, and four held by independents who caucus with democrats.

The gop senators are expected to elect a new leader next week as longtime republican leader mitch. These maps reflect the ratings of a number of quantitative and qualitative forecasters, as well as some consensus projections.