2006Final results
2006 election for Iowa Senate District 31
Iowa State Senate · Iowa
Matt McCoy (D) won with 65.7% of the vote, defeating Nicholas G. Vanpatten (R) by 31.3 points.
Matt McCoyDemocrat · winner · incumbent
65.7%13,276
Nicholas G. VanpattenRepublican
34.3%6,941
20,217 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