2010Flipped from DemocraticFinal resultsIncumbent defeated
2010 election for Iowa Senate District 47
Iowa State Senate · Iowa
Mark Chelgren (R) won with 50.0% of the vote, defeating Keith Kreiman (D) by 0.1 points, a seat Democrats won last time.
Mark ChelgrenRepublican · winner
50.0%9,582
Keith KreimanDemocrat · incumbent
49.9%9,572
19,171 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