Columbiana County is a county in the U.S. state of Ohio. In 2020, 101,877 people lived there.[1] The county seat is Lisbon.
References
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| Cities | | |
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| Villages |
- East Palestine
- Hanoverton
- Leetonia
- Lisbon
- Minerva‡
- New Waterford
- Rogers
- Salineville
- Summitville
- Washingtonville‡
- Wellsville
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| Townships |
- Butler
- Center
- Elkrun
- Fairfield
- Franklin
- Hanover
- Knox
- Liverpool
- Madison
- Middleton
- Perry
- Salem
- St. Clair
- Unity
- Washington
- Wayne
- West
- Yellow Creek
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| CDPs |
- Calcutta
- Damascus‡
- East Rochester
- Glenmoor
- Guilford Lake
- Homeworth
- La Croft
- Lake Tomahawk
- Negley
- Salem Heights
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Unincorporated communities |
- Achor
- Bayard
- Cannons Mill
- Chambersburg
- Clarkson
- Dungannon
- East Carmel
- East Fairfield
- Elkton
- Franklin Square
- Fredericktown
- Gavers
- Glasgow
- Highlandtown
- Kensington
- Lynchburg
- Middleton
- Mill Rock
- Millport
- Moultrie
- New Alexander
- New Garden
- New Middleton
- New Salisbury
- North Georgetown
- Reading
- Signal
- Teegarden
- Unionville
- Unity
- Valley
- West Point
- Williamsport
- Winona
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| Ghost town | |
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| Footnotes | ‡This populated place also has portions in an adjacent county or counties |
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