1968Final resultsSpecial election
1968 special election for Illinois Legislative District 36
Illinois State Senate · Illinois
W. K. Davidson (R) won with 56.9% of the vote, defeating William Callahan (D) by 13.9 points.
W. K. DavidsonRepublican · winner
56.9%44,956
William CallahanDemocrat
43.1%34,008
78,964 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 1968
Races before and after
Source: Past results: 99chambers results archive (MEDSL, Klarner, state election offices)