|senator1=Russ Feingold
|s1party=Democrat
|s1phone=(202) 224-5323
|s1email=http://feingold.senate.gov/contact_opinion.html Contact
|senator2=Herb Kohl
|s2party=Democrat
|s2phone=(202) 224-5653
|s2email=http://kohl.senate.gov/contact.cfm Contact
|population=
|date=May 29, 1848 (30th)