Jefferson County, Ohio, United States
Places
Adena Jefferson County, Ohio, United States
Bergholz Jefferson County, Ohio, United States
Brilliant Jefferson County, Ohio, United States
Dillonvale Jefferson County, Ohio, United States
Mingo Junction Jefferson County, Ohio, United States
Smithfield Jefferson County, Ohio, United States
Steubenville Jefferson County, Ohio, United States
Tiltonsville Jefferson County, Ohio, United States
Toronto Jefferson County, Ohio, United States
Wintersville Jefferson County, Ohio, United States