1968Final results
1968 election for Missouri Senate District 31
Missouri State Senate · Missouri
William J. Cason (D) won with 56.3% of the vote, defeating Edward L. Brantley (R) by 12.7 points.
William J. CasonDemocrat · winner · incumbent
56.3%26,896
Edward L. BrantleyRepublican
43.7%20,854
47,750 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: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET