Argentine Township is a civil township of Genesee County in the U.S. state of Michigan. As of the 2020 census, the township population was 7,091, up from 6,912 at the 2010 census. According to the United States Census Bureau, the township has a total area of 36.3 square miles, of which 35.1 square miles is land and 1.2 square miles is water.