1968Final results
1968 election for Missouri House District 78
Missouri House of Representatives · Missouri
Hardin Cox (D) won with 55.8% of the vote, defeating John A. Callow (R) by 11.5 points.
Hardin CoxDemocrat · winner · incumbent
55.8%7,413
John A. CallowRepublican
44.2%5,880
13,293 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