1980Final results
1980 election for Illinois Legislative District 51
Illinois State Senate · Illinois
James H. Rupp (R) won with 64.8% of the vote, defeating Jeffrey K. Davison (D) by 29.6 points.
James H. RuppRepublican · winner · incumbent
64.8%52,703
Jeffrey K. DavisonDemocrat
35.2%28,614
81,317 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