2008Final results
2008 election for Iowa Senate District 50
Iowa State Senate · Iowa
Michael E. Gronstal (D) won with 57.9% of the vote, defeating Mark A. Brandenburg (R) by 15.7 points.
Michael E. GronstalDemocrat · winner · incumbent
57.9%13,375
Mark A. BrandenburgRepublican
42.1%9,740
23,115 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 2008
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET