1978Final results
1978 election for Ohio House District 4
Ohio House of Representatives · Ohio
Rocco J. Colonna (D) won with 65.9% of the vote, defeating Glenn M. Williamson (R) by 31.8 points.
Rocco J. ColonnaDemocrat · winner · incumbent
65.9%14,801
Glenn M. WilliamsonRepublican
34.1%7,662
22,463 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