New Martinsville is a city located in Wetzel County, West Virginia. It sits along the Ohio River and serves as the county seat. The city has a rich history, with its founding dating back to the early 19th century. The population of New Martinsville is around 5,000 residents. The city is known for its local industries, including glass manufacturing, and offers various recreational activities along the river. New Martinsville also hosts several annual events that celebrate its community and heritage.