1980Final results
1980 election for Illinois Legislative District 12
Illinois State Senate · Illinois
William A. Marovitz (D) won with 73.0% of the vote, defeating Frank Bennett Rowder (R) by 46.0 points.
William A. MarovitzDemocrat · winner
73.0%36,220
Frank Bennett RowderRepublican
27.0%13,391
49,611 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