Results of the 2018 United States House of Representatives elections in Missouri by district:[1] Lacy Clay Democratic Lacy Clay Democratic The 1st district includes all of St. Louis City and much of Northern St. Louis County.

Incumbent Democrat Lacy Clay, who had represented the district since 2001, ran for re-election.

Despite an attempt by the Missouri Republican Party to remove her from the ballot in April 2018, she remained on the ballout.

Incumbent Republican Blaine Luetkemeyer, who had represented the district since 2009, ran for re-election.

Incumbent Republican Vicky Hartzler, who had represented the district since 2011, ran for re-election.

Incumbent Democrat Emanuel Cleaver, who had represented the district since 2005, ran for re-election.

Incumbent Republican Billy Long, who had represented the district since 2011, ran for re-election.

[7] U.S. representatives Organizations Billy Long Republican Billy Long Republican The eighth district is the most rural district of Missouri, taking in all of the rural southeastern and south-central part of the state.