2012Final resultsIncumbent defeated
2012 election for Missouri Senate District 1
Missouri State Senate · Missouri
Scott Sifton (D) won with 50.9% of the vote, defeating Jim Lembke (R) by 1.8 points.
Scott SiftonDemocrat · winner
50.9%45,689
Jim LembkeRepublican · incumbent
49.1%44,055
89,744 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 2012
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET