1970Final resultsIncumbent defeated
1970 election for Illinois Legislative District 57
Illinois State Senate · Illinois
Gene Johns (D) won with 53.1% of the vote, defeating Delmer R. Mitchell (R) by 6.2 points.
Gene JohnsDemocrat · winner
53.1%39,334
Delmer R. MitchellRepublican · incumbent
46.9%34,725
74,059 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