1986Final results
1986 election for Indiana Senate District 31
Indiana State Senate · Indiana
William H. Vobach (R) won with 65.3% of the vote, defeating Nelson G. Grills (D) by 30.6 points.
William H. VobachRepublican · winner · incumbent
65.3%17,782
Nelson G. GrillsDemocrat
34.7%9,446
27,228 votes
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET
The seat over time
D − R margin in this seat's races around 1986
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET