2006Flipped from RepublicanFinal resultsIncumbent defeated
2006 election for Iowa House District 18
Iowa House of Representatives · Iowa
Andrew Wenthe (D) won with 56.3% of the vote, defeating David Lalk (R) by 12.6 points, a seat Republicans won last time.
Andrew WentheDemocrat · winner
56.3%6,160
David LalkRepublican · incumbent
43.7%4,783
10,943 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