New Martinsville is located in Wetzel County, WV. The population is 5,373, making New Martinsville the largest city in Wetzel County.
There are 3 public schools in New Martinsville with an average Homefacts rating of B-. The total crime rate for New Martinsville is very low, and there are 29 registered sex offenders residing in the city. Unemployment in New Martinsville is high and the median home sales price is $0.