← Who holds officeWisconsinTammy BaldwinU.S. Senator from WisconsinDemocraticPartyDemocraticOfficeU.S. Senator from WisconsinIn this chamber since2013Current term endsJanuary 2031Official websitebaldwin.senate.govPhone202-224-5653Washington office141 Hart Senate Office Building Washington DC 20510Official portrait: U.S. Government Publishing Office, public domain. Service record: the public congress-legislators dataset.