Badger is a city in Skagen Township of Roseau County, Minnesota, United States. The population was 375 at the 2010 census. A post office call…Badger is a city in Skagen Township of Roseau County, Minnesota, United States. The population was 375 at the 2010 census. A post office called Badger has been in operation since 1889. The city was named after nearby Badger Creek. Amos Henry Fikkan, businessman, pharmacist, and Minnesota state representative, lived in Badger.