According to counts on October 10, 54.82% of all state legislatures in the United States are Republican while 44.34% are Democratic. There are 7,386 state legislative seats in the country.
Republicans control 57 chambers, while Democrats hold 40. Two chambers (Alaska House and Alaska Senate) were organized under multipartisan, power-sharing coalitions.
Democrats hold 851 state Senate seats and 2,424 state House seats, gaining four House seats since last month. Republicans hold 2,941 state Senate seats and 1,108 state House seats, losing two House seats and one Senate seat since last month.
Independent or third-party legislators hold 27 seats across ten different states, including 22 state House seats and five state Senate seats. There are 26 vacant state House seats and nine vacant state Senate seats across 22 different states.
Compared to September 2022, Democrats have lost 12 state Senate seats (863 v. 851) and gained 15 state House seats (2,409 v. 2,424). Republicans have gained 16 state Senate seats (1,092 v. 1,108) and gained 39 state House seats (2,902 v. 2,941).
Additional reading:
Partisan composition of state housesState senatorsState representatives