1976Flipped from RepublicanFinal results
1976 election for Indiana Senate District 18
Indiana State Senate · Indiana
Robert E. Peterson (D) won with 50.9% of the vote, defeating Jean Sullian (R) by 2.8 points, a seat Republicans won last time.
Robert E. PetersonDemocrat · winner
50.9%22,406
Jean SullianRepublican
48.1%21,163
Veronica V. BonnellOther party
1.0%433
44,002 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 1976
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET