2010Final results
2010 election for Missouri House District 66
Missouri House of Representatives · Missouri
Genise Montecillo (D) won with 59.8% of the vote, defeating Bill Hartzog (R) by 19.7 points.
Genise MontecilloDemocrat · winner
59.8%5,687
Bill HartzogRepublican
40.2%3,816
9,503 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