1978Final results
1978 election for Wisconsin Senate District 23
Wisconsin State Senate · Wisconsin
Marvin J. Roshell (D) won with 63.2% of the vote, defeating Wilmer R. Waters (R) by 26.4 points.
Marvin J. RoshellDemocrat · winner
63.2%25,689
Wilmer R. WatersRepublican
36.8%14,961
40,674 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