Monroe County is a county in the U.S. state of Michigan. As of the 2020 Census, the population was 154,809. The largest city and county seat is Monroe. The county was established as the second county
Petersburg, Michigan
…Petersburg is a city in Monroe County in the U.S. state of Michigan. The population was 1,171 at the 2020 census. At 0.49 square miles (1.27 km2), Petersburg is the second-smallest city by…
Monroe County Courthouse
The Monroe Power Plant, owned by Detroit Edison, has the tallest structures in Monroe County.