2020Final results
2020 election for Missouri House District 9
Missouri House of Representatives · Missouri
Dean VanSchoiack (R) won with 71.3% of the vote, defeating Karen Planalp (D) by 42.5 points.
Dean VanSchoiackRepublican · winner
71.3%14,047
Karen PlanalpDemocrat
28.7%5,666
19,713 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