Urbank is a city in Otter Tail County, Minnesota, United States. The population was 52 at the 2020 census. According to the United State…Urbank is a city in Otter Tail County, Minnesota, United States. The population was 52 at the 2020 census. According to the United States Census Bureau, the city has a total area of 1.713 square miles, of which 1.711 square miles is land and 0.002 square miles is water.