1994Final results
1994 election for Missouri House District 66
Missouri House of Representatives · Missouri
Matt Oneill (D) won with 69.9% of the vote, defeating Michael R. Niehaus (R) by 44.5 points.
Matt OneillDemocrat · winner · incumbent
69.9%7,134
Michael R. NiehausRepublican
25.4%2,593
Michael P. McBrideLibertarian
4.7%476
10,203 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 1994
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET