1980Final results
1980 election for Ohio Senate District 18
Ohio State Senate · Ohio
Marcus A. Roberto (D) won with 56.5% of the vote, defeating Denny Arnold (R) by 13.1 points.
Marcus A. RobertoDemocrat · winner · incumbent
56.5%68,892
Denny ArnoldRepublican
43.5%52,955
121,847 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