The 2006 United States Senate election in Wisconsin was held November 7, 2006. Incumbent Democratic U.S. Senator Herb Kohl won re-election to a fourth term in a landslide. [1]
Kohl won every county in the state. Kohl's weakest performance in the state was suburban Washington County, Wisconsin, which Kohl won with just 49.6%. Kohl's strongest performance was in rural Menominee County, where he won with over 90% of the vote. Vogeler's best performance was in Dane County, where she came in third place with over 5%, a county where Lorge had his second weakest performance.[2]