1986Final results
1986 Democratic primary for Missouri House District 9
Missouri House of Representatives · Missouri
Mark Youngdahl (D) won with 51.3% of the vote, defeating Mike Schellhorn (D) by 2.5 points.
Mark YoungdahlDemocrat · winner · incumbent
51.3%2,815
Mike SchellhornDemocrat
48.7%2,676
5,491 votes
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET