1978Final results
1978 election for California Senate District 28
California State Senate · California
Ralph C. Dills (D) won with 86.2% of the vote, defeating Michael W. Hennessy (Ind) by 72.4 points.
Ralph C. DillsDemocrat · winner · incumbent
86.2%77,258
Michael W. HennessyIndependent
13.8%12,373
89,631 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