1984Final resultsSpecial election
1984 special election for Wisconsin Senate District 7
Wisconsin State Senate · Wisconsin
John R. Plewa (D) won with 79.4% of the vote, defeating Roger Sullivan (R) by 58.7 points.
John R. PlewaDemocrat · winner
79.4%51,450
Roger SullivanRepublican
20.6%13,379
64,829 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 1984
Races before and after
Source: Past results: 99chambers results archive (MEDSL, Klarner, state election offices)