Marathon Bancorp, Inc. focuses on to operate as a bank holding company for Marathon Bank, a chartered savings bank. Marathon Bank offers deposit products, such as demand deposits, savings, and certificates of deposits; and lending products comprising commercial real estate, commercial and industrial, construction, one-to-four-family residential, multi-family real estate, and consumer loans primarily in the Marathon County area of Wisconsin. The company was founded in 2020 and is based in Wausau, Wisconsin. Marathon Bancorp, Inc. operates as a subsidiary of Marathon MHC.