Monroe County, Michigan Monroe County, Michigan Monroe County is a county located in the U.S. state of Michigan. As of the 2010 census, the population was 152,021. The largest city and county seat is Monroe. The county was established as the second county (after Wayne County) in the Michigan Territory in 1817 and was named for then-President James Monroe. Monroe County comprises the Monroe, MI Micropolitan Statistical Area and is included in the Detroit-Warren-Ann Arbor, MI Combined Statistical Area. It is also considered a northerly extension of the Toledo Metropolitan Area. Before the county's formation, the primary settlement was Frenchtown, which was settled
James Monroe Family Home Site etchings of the birth home indicate a small four room, rough cut wooden farm house with few outbuildings on a 500-acre farm filled with wetlands. The archaeological study clearly indicated that James Monroe's beginnings were humble. It was listed on the National Register of Historic Places in 1979, with a boundary increase in 2008. James Monroe Family Home Site James Monroe Family Home Site, also known as James Monroe's Birthplace, is a historic archaeological site located near Oak Grove and Colonial Beach, Westmoreland County, Virginia. The site includes the ruins of the Monroe Family Home and birthplace of President James