1978Final results
1978 election for Missouri House District 31
Missouri House of Representatives · Missouri
Della Hadley (D) won with 61.5% of the vote, defeating Thomas Euston (R) by 23.1 points.
Della HadleyDemocrat · winner · incumbent
61.5%6,477
Thomas EustonRepublican
38.5%4,048
10,525 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 1978
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET