1980Flipped from DemocraticFinal results
1980 election for Indiana Senate District 40
Indiana State Senate · Indiana
Farrell N. Duckworth (R) won with 54.4% of the vote, defeating John M. Irvine (D) by 8.8 points, a seat Democrats won last time.
Farrell N. DuckworthRepublican · winner
54.4%23,281
John M. IrvineDemocrat
45.6%19,534
42,815 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 1980
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET