1984Final results
1984 election for Indiana Senate District 5
Indiana State Senate · Indiana
William Costas (R) won with 63.3% of the vote, defeating Adrian Anthony Wilson (D) by 26.6 points.
William CostasRepublican · winner · incumbent
63.3%28,824
Adrian Anthony WilsonDemocrat
36.7%16,696
45,520 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 1984
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET