2010Flipped from DemocraticFinal resultsIncumbent defeated
2010 election for Missouri House District 90
Missouri House of Representatives · Missouri
John McCaherty (R) won with 49.1% of the vote, defeating Sam Komo (D) by 2.5 points, a seat Democrats won last time.
John McCahertyRepublican · winner
49.1%4,980
Sam KomoDemocrat · incumbent
46.6%4,727
Charles Smith IIIndependent
4.3%438
10,145 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