2010Final results
2010 election for Missouri House District 103
Missouri House of Representatives · Missouri
Ron Casey (D) won with 51.9% of the vote, defeating George Engelbach (R) by 3.9 points.
Ron CaseyDemocrat · winner · incumbent
51.9%6,228
George EngelbachRepublican
48.1%5,763
11,991 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