List of state legislatures in the United States

Each state in the United States has a legislature as part of its form of civil government. Most of the fundamental details of the legislature are specified in the state constitution. 49 state legislatures are bicameral bodies, composed of a lower house (Assembly, General Assembly, State Assembly, House of Delegates, or House of Representatives) and an upper house (Senate). The United States also has five non-state territories and one federal district with local legislative branches, which are also listed below. Among the states, the Nebraska Legislature is the lone unicameral body, although three other areas (the District of Columbia, Guam and the U.S. Virgin Islands) also have unicameral bodies.

The exact names, dates, term lengths, term limits, electoral systems, electoral districts, and other details are determined by the individual states' laws.

The party composition of the legislatures (and party summary of the individual legislative chambers), as of January 2017, is:

“Split” means that either the two chambers have different majority parties (e.g., Democratic Senate and Republican House), that one chamber is evenly split between parties, or that a coalition or "hung" chamber has occurred. The Nebraska legislature, though officially nonpartisan, is de facto Republican-controlled, and listed as such.

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