2012Final results
2012 election for Iowa Senate District 18
Iowa State Senate · Iowa
Janet Petersen (D) won with 69.0% of the vote, defeating Vicki Stogdill (R) by 38.2 points.
Janet PetersenDemocrat · winner
69.0%18,954
Vicki StogdillRepublican
30.8%8,455
27,467 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