2004Final results
2004 election for Missouri House District 155
Missouri House of Representatives · Missouri
Wayne Cooper (R) won with 69.1% of the vote, defeating Ralph H. Herron (D) by 38.2 points.
Wayne CooperRepublican · winner · incumbent
69.1%12,622
Ralph H. HerronDemocrat
30.9%5,638
18,260 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 2004
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET