1992Final results
1992 election for Missouri Senate District 21
Missouri State Senate · Missouri
James Mathewson (D) won with 60.8% of the vote, defeating Floyd F. Self (R) by 21.6 points.
James MathewsonDemocrat · winner · incumbent
60.8%40,727
Floyd F. SelfRepublican
39.2%26,235
66,962 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 1992
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET