2018Final results
2018 election for Missouri Senate District 12
Missouri State Senate · Missouri
Dan Hegeman (R) won with 72.5% of the vote, defeating Terry Richard (D) by 45.0 points.
Dan HegemanRepublican · winner · incumbent
72.5%50,035
Terry RichardDemocrat
27.5%18,986
69,021 votes
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 6:17 AM ET
The seat over time
D − R margin in this seat's races around 2018
Races before and after
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 6:17 AM ET