1990Final resultsSpecial election
1990 special election for Missouri Senate District 15
Missouri State Senate · Missouri
Walt Mueller (R) won with 62.7% of the vote, defeating Raymond E. Karcher (D) by 25.4 points.
Walt MuellerRepublican · winner
62.7%13,322
Raymond E. KarcherDemocrat
37.3%7,920
21,242 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 1990
The seat's recent races
Source: Past results: 99chambers results archive (MEDSL, Klarner, state election offices)