Crisanta Duran Democratic KC Becker Democratic The 2018 Colorado House of Representatives elections took place as part of the biennial United States elections.

Primary election results can be obtained from the Colorado Secretary of State's website.

However, on March 2, 2018, immediately before being expelled from the legislature in the face of sexual harassment allegations, State Representative Steve Lebsock switched parties to Republican.

To claim control of the chamber from Democrats, the Republicans would have needed to net 4 House seats.

contesting Source:[68][69] Five Democratic incumbents are term-limited and prohibited from seeking a fifth term.