1988Flipped from RepublicanFinal resultsIncumbent defeated
1988 election for Indiana Senate District 20
Indiana State Senate · Indiana
Anthony C. Maidenberg (D) won with 50.3% of the vote, defeating Roger Jessup (R) by 0.5 points, a seat Republicans won last time.
Anthony C. MaidenbergDemocrat · winner
50.3%19,649
Roger JessupRepublican · incumbent
49.7%19,439
39,088 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 1988
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET