1970Final results
1970 election for Illinois Legislative District 34
Illinois State Senate · Illinois
Bertil T. Rosander (R) won with 55.6% of the vote, defeating Richard E. Wilke (D) by 11.2 points.
Bertil T. RosanderRepublican · winner · incumbent
55.6%29,835
Richard E. WilkeDemocrat
44.4%23,813
53,648 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