Williamson, WV Insights: Population,
Zip Codes, Influence, and Service Areas

Williamson is a city in Mingo County, West Virginia, United States, situated along the Tug Fork River. The population was 3,042 at the 2020 census. It is the county seat of Mingo County, and is the county's largest and most populous city. Williamson is home to Southern West Virginia Community and Technical College. The Tug Fork River separates Williamson from South Williamson, Kentucky.

Zip Codes in Williamson, WV that we also serve: 25661





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