Nine legislative chambers in the five permanently-inhabited U.S. territories and the federal district of Washington, D.C. also held elections.

Democrats won both chambers in the Nevada Legislature and the New Mexico House of Representatives, while Republicans won the Kentucky House of Representatives for the first time since 1922, the Iowa Senate, and the Minnesota Senate.

Nationwide, regularly scheduled elections were held for 5,876 of the 7,383 legislative seats.

News sources predicted Democrats to make mild gains in state legislative control, owing to the historic lows they hit after the 2014 elections and higher predicted turnout among Democratic voters during the concurrent presidential election.

Republicans maintained a government trifecta with control of the governorship and both state legislative chambers.

Republicans held control of both chambers, maintaining a government trifecta.

Democrats held control of both chambers, maintaining a government trifecta.

Democrats held control of both chambers, maintaining a government trifecta.

Republicans held control of both chambers, maintaining a government trifecta.

Republicans held control of both chambers, maintaining a government trifecta.

Democrats held control of both chambers, maintaining a government trifecta.

Republicans held control of both chambers, maintaining a government trifecta.

Republicans held control of both chambers, maintaining a government trifecta.

Democrats won control of both chambers, ending a government trifecta.

Democrats held control of the state House, and Republicans lost outright control of the state Senate, requiring the Independent Democratic Conference to continue to caucus with them.

Republicans retained control of both chambers, maintaining a government trifecta.

Republicans retained control of both chambers, maintaining a government trifecta.

Republicans retained control of both chambers, maintaining a government trifecta.

Republicans retained control of both chambers, maintaining a government trifecta.

Republicans retained control of both chambers, maintaining a government trifecta.

Republicans retained control of both chambers, maintaining a government trifecta.

Republicans retained control of both chambers, maintaining a government trifecta.

Gubernatorial and legislative elections are conducted on a nonpartisan basis in American Samoa.

Members of the Senate and the House of Representatives both serve four-year terms.