Odds Democrats Win Senate 2025. The senate model takes into account the odds produced by the allsides 2025 presidential model of either the democrat and republican party winning the presidency. Of the 34 senate seats headed for an election in 2025, 20 (59%) are democrat seats while 11 are held by republicans.
Us politics betting for all american markets. 538 uses polling, economic and demographic data to explore likely election outcomes.