Aurelius Township is a civil township of Ingham County in the U.S. state of Michigan. As of the 2020 census, the township population was 4,354, a significant increase from 3,525 at the 2010 census. According to the United States Census Bureau, the township has a total area of 36.47 square miles, of which 36.41 square miles is land and 0.06 square mi…Aurelius Township is a civil township of Ingham County in the U.S. state of Michigan. As of the 2020 census, the township population was 4,354, a significant increase from 3,525 at the 2010 census. According to the United States Census Bureau, the township has a total area of 36.47 square miles, of which 36.41 square miles is land and 0.06 square miles is water.