List of U.S. counties named after other U.S. counties

This is a list of U.S. counties named after other U.S. counties.

This list is incomplete; you can help by expanding it.

• Albany County, Wyoming, is named for Albany County, New York
• Champaign County, Illinois, is named for Champaign County, Ohio.
• Christian County, Illinois, is named for Christian County, Kentucky.
• Genesee County, Michigan, is named for Genesee County, New York.
• Hardin County, Illinois, is named for Hardin County, Kentucky.
• Henderson County, Illinois, is named for Henderson County, Kentucky.
• Lancaster County, Nebraska, is named for Lancaster County, Pennsylvania.
• Lancaster County, South Carolina, is named for Lancaster County, Pennsylvania.
• Lincoln County, South Dakota, is named for Lincoln County, Maine.
• Mason County, Illinois, is named for Mason County, Kentucky.
• Oneida County, Idaho, is named for Oneida County, New York.
• Orange County, Indiana, is named for Orange County, North Carolina.
• Otsego County, Michigan, is named for Otsego County, New York.
• Richland County, Illinois, is named for Richland County, Ohio.
• Williamson County, Illinois, is named for Williamson County, Tennessee.
• Woodford County, Illinois, is named for Woodford County, Kentucky.
• York County, South Carolina, is named for York County, Pennsylvania.

Possibly

• Delaware County, Iowa, is named for either the state of Delaware or Delaware County, New York.
• Louisa County, Iowa, is named for either Louisa Massey of Dubuque, Iowa, who, according to legend, killed the murderer of her brother; or Louisa County, Virginia.
• Randolph County, Indiana, is named for either Thomas Randolph or Randolph County, North Carolina.