2018Final results
2018 election for Missouri House District 42
Missouri House of Representatives · Missouri
Jeff Porter (R) won with 69.6% of the vote, defeating Joseph Widner (D) by 39.2 points.
Jeff PorterRepublican · winner
69.6%10,765
Joseph WidnerDemocrat
30.4%4,698
15,463 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