2010Final results
2010 election for Missouri House District 40
Missouri House of Representatives · Missouri
John Joseph Rizzo (D) won with 66.7% of the vote, defeating Sean Otoole (Lib) by 33.3 points.
John Joseph RizzoDemocrat · winner
66.7%2,373
Sean OtooleLibertarian
33.3%1,187
3,560 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