August breakdown of state legislative party membership: 52.0% Republicans, 46.8% Democrats

Ballotpedia’s latest analysis of the partisan affiliation of all 7,383 state legislators in the United States shows 46.8% of state legislators are Democrats and 52.0% are Republicans. The partisan composition of state legislators stayed consistent as compared with July 2020.

Every month, Ballotpedia analyzes the partisan composition of state legislatures—1,972 state Senate seats and 5,411 state House seats. In August, Democrats and Republicans each lost one seat. Vacancies increased by one seat.

As of August 2020, the Democratic Party holds 875 state Senate seats nationwide and the Republican Party holds 1,081. In state Houses, Democrats hold 2,579 districts to Republicans’ 2,758. There are currently 56 vacant seats and 34 that are held by independent and third-party officials.

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.