2020 Missouri elections

Missouri state elections in 2020 were held on Tuesday, November 3, 2020. Aside from its presidential primaries held on March 10, its primary elections were held on August 4, 2020.

In addition to the U.S. presidential race, Missouri voters will elect the Governor of Missouri, four of Missouri's other executive officers, all of its seats to the House of Representatives, all of the seats of the Missouri House of Representatives, and 17 of 34 seats in the Missouri State Senate. Neither of the state's two U.S. Senate seats are up for election this year, but there are also two ballot measures which will be voted on, in addition to one voted on in the August 4 primaries.

To vote by mail, registered Missouri voters had to request a ballot by October 21, 2020.

President of the United States
Missouri has 10 electoral votes in the Electoral College.

United States House of Representatives
There are 7 U.S. Representatives in Missouri that will be up for election. Another seat is open after the incumbent, Lacy Clay, lost renomination in its Democratic primary.

State legislature
All 163 seats of the Missouri House of Representatives and 17 of 34 seats of the Missouri State Senate are up for election. Before the election, the composition of the Missouri State Legislature was:

House of Representatives
After the election, the composition of the Missouri State Legislature was:

Senate District 3 - Republican

 * Polling

Senate District 5 - Democratic

 * Polling

Senate District 13 - Democratic

 * Polling

Senate District 23 - Republican

 * Polling

Senate District 25 - Republican

 * Polling

Senate District 27 - Republican

 * Polling

Senate District 29 - Republican

 * Polling

Senate District 31 - Republican

 * Polling

Senate District 33 - Republican

 * Nominee
 * Karla Eslinger, state representative for District 155
 * Eliminated in primary
 * Van Kelly
 * Robert Ross


 * Polling

Senate District 33 - Democratic

 * Nominee
 * Tammy Harty

Senate District 1

 * Polling


 * Results

Senate District 15

 * Polling


 * with Mark Osmack


 * Results

Senate District 19

 * Polling


 * with Michela Skelton


 * Results

Ballot measures
Missouri Amendment 2, Medicaid Expansion passed in the August 4 primary.

Missouri Amendment 3, Redistricting Process and Criteria, Lobbying, and Campaign Finance Amendment is to amend the state constitution to lower thresholds for lobbyists' gifts, lower campaign contribution limits for state senate campaigns and reverse changes to the redistricting process brought about by the passage of 2018's Missouri Amendment 1, known as "Clean Missouri". That amendment (aimed to prevent gerrymandering ) delegated redistricting to a nonpartisan state demographer and citizens' commission as opposed to the status quo ante of it being left to a bipartisan commission appointed by the governor.

Primary election

 * Amendment 2

General election

 * Amendment 1


 * Amendment 3