Monrovia is a town in Monroe Township, Morgan County, in the U.S. state of Indiana. The population was 1,643 at the 2020 census, up from 1,063 in 2010.
Downtown Monrovia
Morgan County is a county located in the U.S. state of Indiana. As of the 2020 United States Census, the population was 71,780. The county seat is Martinsville.
Morgan County courthouse in Martinsville
Morgan County