January 2020 breakdown of state legislative party membership: 52.2% Republicans, 46.8% Democrats

January’s partisan count of the 7,383 state legislators across the United States shows 52.2% of all state legislators are Republicans and 46.8% are Democrats, which is consistent with December 2019.

Also as of the end of January, Republicans hold a majority in 59 state legislative chambers, and Democrats hold the majority in 39 chambers. One chamber (Alaska’s state House) has a power-sharing agreement between the two parties.

Altogether, there are 1,972 state senate and 5,411 state house offices. Republicans held 1,085 state senate seats—up seven seats from December—and 2,771 state house seats—up three seats from last month. Democrats held 3,452 of the 7,383 state legislative seats—874 state Senate seats (down two seats) and 2,568 state House seats (the same as last month). Independent or third-party legislators held 34 seats. There were 41 vacant seats—a decrease of 16 vacancies since December.

At the time of the 2018 elections, 7,280 state legislators were affiliated with either the Republican or Democratic parties. There were 3,257 Democratic state legislators, 4,023 Republican state legislators, 35 independent or third-party state legislators, and 68 vacancies.

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