May 2020 breakdown of state legislative party membership nationwide: 46.9% Democrats, 52.2% Republicans

Ballotpedia’s latest analysis of the partisan affiliation of all 7,383 state legislators across the United States shows 46.9% of all state legislators are Democrats and 52.2% are Republicans. The partisan composition of state legislators stayed consistent with April 2020.

Every month, Ballotpedia analyzes the partisan composition of state legislatures. There are 7,383 state legislative offices in total: 1,972 state Senate seats and 5,411 state House seats. In May, Democrats and Republicans each lost one seat total. Vacancies increased by three seats.

As of May 2020, the Democratic Party holds 874 state Senate seats nationwide and the Republican Party holds 1,083. In state Houses, Republicans hold 2,773 seats to Democrats’ 2,585. There are currently 24 vacant seats and 29 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.