1978Final results
1978 election for Michigan Senate District 15
Michigan State Senate · Michigan
Doug Ross (D) won with 62.8% of the vote, defeating Markus S. Simon (R) by 25.7 points.
Doug RossDemocrat · winner
62.8%54,097
Markus S. SimonRepublican
37.2%32,004
86,105 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