Xenia is a village in Clay County, Illinois, United States. The population was 380 at the 2020 census.
The Paine House, a historic site
Clay County is a county in the southeastern portion of the U.S. state of Illinois. As of the 2020 United States Census, the population was 13,288. Since 1842, its county seat has been Louisville, in the center of the county's area.
Clay County Courthouse in Louisville