Lieutenant Governor Peggy Flanagan holds a commanding edge in the Minnesota Democratic primary for the open U.S. Senate seat, driven by recent polling that shows her support expanding to a 30-point margin once voters compare records. Strong endorsements from figures including Senator Bernie Sanders and Attorney General Keith Ellison, combined with momentum from party activists reacting to federal immigration enforcement actions earlier this year, have reinforced her frontrunner status ahead of the August 11 primary. Representative Angie Craig maintains a fundraising advantage and appeal among moderates but trails in head-to-head surveys, while other declared candidates register negligible support in both public polls and trader assessments of the race.