2020 United States House of Representatives elections in Missouri
The 2020 United States House of Representatives elections in Missouri was held on November 3, 2020, to elect the eight U.S. representatives from the state of Missouri, one from each of the state's eight congressional districts. The elections coincided with the 2020 United States presidential election, as well as other elections to the House of Representatives, elections to the United States Senate and various state and local elections. The primaries were held on August 4. District 1. The 1st district is of the city of St. Louis and much of  northern St. Louis County, including Florissant and University City. The incumbent is Democrat Lacy Clay, who was re-elected with 80.1% of the vote in 2018. District 2. The 2nd district is based in eastern Missouri, and includes the southern and western suburbs of St. Louis, including Arnold, Town and Country, Wildwood, Chesterfield, and Oakville. The incumbent is Republican Ann Wagner, who was re-elected with 51.2% of the vote in 2018. District 3. The third district encompasses east-central Missouri, taking in Jefferson City, Troy, O'Fallon, and Washington. The incumbent is Republican Blaine Luetkemeyer, who was re-elected with  65.1% of the vote in 2018. District 4. The 4th district is based in predominantly rural west-central Missouri, taking in Columbia, Sedalia, Warrensburg, and Lebanon. The incumbent is Republican Vicky Hartzler, who was re-elected with 64.8% of the vote in 2018. General election. Polling. Polls with a sample size of <100 have their sample size entries marked in red to indicate a lack of reliability. District 5. The 5th district primarily consists of the inner ring of the Kansas City metropolitan area, including nearly all of Kansas City south of the Missouri River. The incumbent is Democrat  Emanuel Cleaver, who was re-elected with 61.7% of the vote in 2018. District 6. The 6th district encompasses rural northern Missouri, St. Joseph and much of Kansas City north of the Missouri River. The incumbent is Republican Sam Graves, who was re-elected with 65.4% of the vote in 2018. General election. Polling. Polls with a sample size of <100 have their sample size entries marked in red to indicate a lack of reliability. District 7. The 7th district is located in southwestern Missouri, taking in Springfield, Joplin, Branson, and Nixa. The incumbent is Republican Billy Long, who  was re-elected with 66.2% of the vote in 2018. District 8. The 8th district is the most rural district of Missouri, taking in rural southeastern Missouri, including the Missouri Bootheel, as well as the cities of Cape Girardeau and Poplar Bluff. The incumbent is Republican Jason Smith, who was re-elected with 73.4% of the vote in 2018. General election. Polling. Polls with a sample size of <100 have their sample size entries marked in red to indicate a lack of reliability.