1980Flipped from RepublicanFinal resultsIncumbent defeated
1980 election for Missouri House District 120
Missouri House of Representatives · Missouri
Jeff W. Schaeperkoetter (D) won with 51.1% of the vote, defeating Norbert Plassmeyer (R) by 2.3 points, a seat Republicans won last time.
Jeff W. SchaeperkoetterDemocrat · winner
51.1%7,817
Norbert PlassmeyerRepublican · incumbent
48.9%7,471
15,288 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