The 2020 Missouri Senate elections were held on November 3, 2020, to elect the 17 Missouri State Senators to the Missouri Senate. Half of the Senate's thirty-four seats are up for election every two years, with each Senator serving four-year terms. The last time that these seats were up for election was the 2016 Missouri Senate election, and the next time that these seats will be up for election will be the 2024 Missouri State Senate election.
Predictions
Results summary
Statewide
District
Results of the 2020 Missouri State Senate elections by district:
Close races
Districts where the margin of victory was under 10%:
- <span style="color:red;">District 15, 7.98%</span>
- <span style="color:blue;">District 17, 6.74%</span>
- <span style="color:red;">District 19, 3.27%</span>
District 1
Democratic primary
Primary results
Republican primary
Primary results
General election
Polling
Results
District 3
Republican primary
Polling
Primary results
General election
Results
District 5
Democratic primary
Polling
Primary results
Republican primary
Primary results
General election
Results
District 7
Democratic primary
Primary results
Green primary
Primary results
General election
Results
District 9
Democratic primary
Primary results
Republican primary
Primary results
General election
Results
District 11
Democratic primary
Primary results
General election
Results
District 13
Democratic primary
Polling
Primary results
Libertarian primary
Primary results
General election
Results
District 15
Democratic primary
Primary results
Republican primary
Primary results
General election
Polling
Results
District 17
Democratic primary
Primary results
Republican primary
Primary results
General election
Results
District 19
Democratic primary
Primary results
Republican primary
Primary results
General election
Polling
Results
District 21
Republican primary
Primary results
Libertarian primary
Primary results
General election
Results
District 23
Democratic primary
Primary results
Republican primary
Polling
Primary results
General election
Results
District 25
Republican primary
Polling
Primary results
General election
Results
District 27
Democratic primary
Primary results
Republican primary
Polling
Primary results
General election
Results
District 29
Republican primary
Polling
Primary results
General election
Results
District 31
Democratic primary
Primary results
Republican primary
Polling
Primary results
General election
Results
District 33
Democratic primary
Primary results
Republican primary
Polling
Primary results
General election
Results
Notes
Partisan clients
References