2008Final results
2008 election for Wisconsin Senate District 12
Wisconsin State Senate · Wisconsin
James C. Holperin (D) won with 51.2% of the vote, defeating Tom Tiffany (R) by 2.5 points.
James C. HolperinDemocrat · winner
51.2%43,595
Tom TiffanyRepublican
48.8%41,480
85,075 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