2022Final results
2022 election for Missouri Senate District 4
Missouri State Senate · Missouri
Karla May (D) won with 74.2% of the vote, defeating Mary Theresa McLean (R) by 48.3 points.
Karla MayDemocrat · winner · incumbent
74.2%51,419
Mary Theresa McLeanRepublican
25.8%17,906
69,325 votes
Source: MIT Election Data and Science LabUpdated Oct 2, 2026, 5:14 AM ET
The seat over time
D − R margin in this seat's races around 2022
Races before and after
Source: MIT Election Data and Science LabUpdated Oct 2, 2026, 5:14 AM ET