2020Final results
2020 election for Missouri House District 158
Missouri House of Representatives · Missouri
Scott Cupps (R) won with 81.4% of the vote, defeating Brenda McKinney (D) by 62.7 points.
Scott CuppsRepublican · winner
81.4%12,962
Brenda McKinneyDemocrat
18.6%2,971
15,933 votes
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 10:09 AM ET
The seat over time
D − R margin in this seat's races around 2020
Races before and after
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 10:09 AM ET