Clay County, Illinois Basics:
Clay County Illinois - Government Site
Population: 13,746
Area: 468 square miles
County seat: Louisville
Area code(s) in use: 618
Time zone: CST
High school graduate or higher: 87.5%
Bachelor's degree or higher: 13.9%
Median household income: $39,966
Persons in poverty: 14.9%
Home ownership rate: 77.7%
Mean travel time to work: 19.5 minutes
Adjacent counties:
Effingham Fayette Jasper Marion Richland Wayne