1980Final results
1980 election for Wisconsin Senate District 20
Wisconsin State Senate · Wisconsin
David W. Opitz (R) won with 71.3% of the vote, defeating James R. Kempfer (D) by 42.6 points.
David W. OpitzRepublican · winner
71.3%47,721
James R. KempferDemocrat
28.7%19,199
66,920 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 1980
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET