These are tables of congressional delegations from Wisconsin to the United States House of Representatives and the United States Senate. The current dean of the Wisconsin delegation is Senator Tammy Baldwin (D), having served in Congress since 1999. U.S. House of Representatives Current members List of members, their terms in office, district boundaries, and the district political ratings according to the Cook Partisan Voting Index (CPVI). The delegation has a total of 8 members, including 6 Republicans and 2 Democrats. Delegates from Wisconsin Territory Members of the United States House of Representatives 1847–1849 1847–1863 1863–1873 1873–1883 1883–1893 1893–1903 1903–1933 1933–present United States Senate Key See also List of United States congressional districts Wisconsin's congressional districts Political party strength in Wisconsin References Wisconsin Politics of Wisconsin Congressional delegations