Allegan County is a county in the U.S. state of Michigan. As of the 2020 United States census, the population was 120,502. The county seat is Allegan. The name was coined by Henry Rowe Schoolcraft to
Manlius Township, Michigan
…Manlius Township is a civil township of Allegan County in the U.S. state of Michigan. The population was 3,312 at the 2020 census. A post to trade with the local Ottawa people was established by a man named…