Minnesota TCF Bank was founded in Minneapolis. With approximately 110 branches in the area, it continues to be a major force in the Twin Cities. In-store branches are located inside of Cub Foods stores. It is headquartered in Wayzata, Minnesota. TCF Bank operates campus branches in partnership with the University of Minnesota (including the Duluth campus) and St. Cloud State University.
Illinois TCF Bank operates 192 locations in the Chicago metropolitan area, including branches located inside of Jewel-Osco stores
Indiana TCF Bank operates one branch in northern Indiana.
Wisconsin TCF Bank operates 25 branches in Wisconsin.
Michigan TCF Bank operates 38 branches throughout Michigan. In 1995, TCF increased its Michigan presence by acquiring the Great Lakes National Bank. From 1995 through 1998, the TCF Bank branches in Michigan operated under the Great Lakes National Bank name. In 1999, all of the branches were reflagged as TCF. In 2002, the University of Michigan announced that TCF Bank had been selected as a preferred provider of banking services to students, faculty, and staff. In 2005, TCF Bank announced the sale of its Michigan headquarters building to Ann Arbor real-estate company McKinley Associates, though part of the ground level remains a TCF Bank branch. On November 6, 2006, TCF announced the sale of 10 branches in Battle Creek, Bay City, and Saginaw to Independent Bank. With this sale, TCF's Michigan branches became concentrated in Southeast Michigan, primarily in and around metropolitan Detroit.
Colorado TCF has 36 branches in the Denver metro area and Colorado Springs.
Arizona TCF's first branch office was opened in Mesa, on December 13, 2006. TCF now operates seven branches in the state of Arizona.
South Dakota TCF has two branches in Sioux Falls.
TCF Bank is a wholly owned bank subsidiary of the TCF Financial Corporation, which is a holding company whose headquarters are in Wayzata, Minnesota. It began as Twin City Building and Loan Association in 1923 and went public in 1986 under the name TCF Bank and Savings, F.A. In 2005, the University of Minnesota and TCF Bank made a deal that the bank would give the school $35 million toward an outdoor football stadium that was to be on the campus in order to let them have the right to name the football stadium after itself.