1978Final results
1978 election for Ohio Senate District 31
Ohio State Senate · Ohio
John Timothy McCormack (D) won with 73.4% of the vote, defeating Edward H. Offerman (R) by 46.7 points.
John Timothy McCormackDemocrat · winner · incumbent
73.4%59,439
Edward H. OffermanRepublican
26.6%21,578
81,017 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 1978
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET