2006Flipped from RepublicanFinal results
2006 election for Missouri Senate District 18
Missouri State Senate · Missouri
Wes Shoemyer (D) won with 51.7% of the vote, defeating Robert J. Behnen (R) by 3.3 points, a seat Republicans won last time.
Wes ShoemyerDemocrat · winner
51.7%28,795
Robert J. BehnenRepublican
48.3%26,953
55,748 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 2006
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET