2012Final resultsIncumbent defeated
2012 election for Iowa Senate District 46
Iowa State Senate · Iowa
Chris Brase (D) won with 53.3% of the vote, defeating Shawn Hamerlinck (R) by 6.7 points.
Chris BraseDemocrat · winner
53.3%15,960
Shawn HamerlinckRepublican · incumbent
46.6%13,950
29,946 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