1980Final results
1980 election for Missouri House District 31
Missouri House of Representatives · Missouri
Jack Campbell (D) won with 55.4% of the vote, defeating David Patterson (R) by 10.8 points.
Jack CampbellDemocrat · winner
55.4%7,741
David PattersonRepublican
44.6%6,228
13,969 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 1980
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET