Centerville is a city in Anoka County, Minnesota, United States. The population was 3,896 at the 2020 census. According to the United St…Centerville is a city in Anoka County, Minnesota, United States. The population was 3,896 at the 2020 census. According to the United States Census Bureau, the city has a total area of 2.41 square miles, of which 2.13 square miles is land and 0.28 square miles is water.