Monroe County is a county on the northeast border of the U.S. state of Mississippi next to Alabama. As of the 2020 census, the population was 34,180. Its county seat is Aberdeen. The county is named in honor of James Monroe, the fifth President of the United States. Part of the county east of the Tombigbee River originally made-up part of the Alabama …
Monroe County is a county on the northeast border of the U.S. state of Mississippi next to Alabama. As of the 2020 census, the population was 34,180. Its county seat is Aberdeen. The county is named in honor of James Monroe, the fifth President of the United States. Part of the county east of the Tombigbee River originally made-up part of the Alabama Territory, belonging to Marion County, until new lines of demarcation put it in the State of Mississippi in 1821.