1970Final results
1970 election for Wisconsin Senate District 31
Wisconsin State Senate · Wisconsin
Raymond C. Johnson (R) won with 55.7% of the vote, defeating Robert S. Osterhus (D) by 11.5 points.
Raymond C. JohnsonRepublican · winner · incumbent
55.7%21,719
Robert S. OsterhusDemocrat
44.3%17,252
38,971 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 1970
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET