Senate
Chance of R control>99 in 100
Republicans are favored to hold control. Republicans hold 24 of 34 seats today.
Expected Democratic seats 10.4 of 34 · 80% range 10–12
See all 34 districts →One state, every federal race and the provisional balance of power in its capitol.
No U.S. Senate seat in Missouriis on the 2026 ballot — both of the state's seats are mid-cycle. Senate control still runs through the 35 races on the national Senate map.
Both chambers carry the Call the Map state legislature forecast — the same model the Chamber Board publishes.
Republicans are favored to hold control. Republicans hold 24 of 34 seats today.
Expected Democratic seats 10.4 of 34 · 80% range 10–12
See all 34 districts →Republicans are favored to hold control. Republicans hold 111 of 163 seats today.
Expected Democratic seats 56.6 of 163 · 80% range 49–60
See all 163 districts →Chamber-by-chamber detail for every state lives on the full Chamber Board. Control today: NCSL · 2026 State & Legislative Partisan Composition · Jan. 27, 2026
Counties colored by the actual 2024 presidential result — counted votes, not a projection. Hover a county for its numbers.
The county tables and shift arrows across this site measure against these baselines. No president is on the 2026 ballot; this is the reference line every other race here is measured against.
Ballot measures — coming with the Ballotpedia layer.
Trifecta nowRepublican trifecta
| Chamber | Now | Projected |
|---|---|---|
| Senate | R | R |
| House | R | R |