Clay County

Clay County is the name of 18 counties in the United States.

 Clay County, Alabama
 Clay County, Arkansas
 Clay County, Florida
 Clay County, Georgia
 Clay County, Illinois
 Clay County, Indiana
 Clay County, Iowa
 Clay County, Kansas
 Clay County, Kentucky
 Clay County, Minnesota
 Clay County, Mississippi
 Clay County, Missouri
 Clay County, Nebraska
 Clay County, North Carolina
 Clay County, South Dakota
 Clay County, Tennessee
 Clay County, Texas
 Clay County, West Virginia