2010Final results
2010 election for Missouri House District 56
Missouri House of Representatives · Missouri
Mike Cierpiot (R) won with 63.4% of the vote, defeating Dave Coffman (D) by 26.8 points.
Mike CierpiotRepublican · winner
63.4%10,370
Dave CoffmanDemocrat
36.6%5,986
16,356 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 2010
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET