Badger is a city in Skagen Township of Roseau County, Minnesota, United States. The population was 375 at the 2010 census.
According to the United States Census Bureau, the city has a total area of 1.3 square miles (3.4 km²), all of it land.
As of the census of 2000, there were 470 people, 207 households, and 127 families residing in the city. The population density was 352.9 people per square mile (136.4/km²). There were 228 housing units at an average density of 171.2 per square mile (66.2/km²). The racial makeup of the city was 100.00% White. Hispanic or Latino of any race were 0.21% of the population.