2018Final results
2018 election for Indiana House District 31
Indiana House of Representatives · Indiana
Kevin A. Mahan (R) won with 66.4% of the vote, defeating Lynn Johnson (D) by 32.8 points.
Kevin A. MahanRepublican · winner · incumbent
66.4%12,358
Lynn JohnsonDemocrat
33.6%6,250
18,608 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