Martinsburg is located in Knox County, OH. The population is 267, making Martinsburg the 7th largest city in Knox County.
There are 0 public schools in Martinsburg with an average Homefacts rating of NA. The total crime rate for Martinsburg is low , and there are 1 registered sex offenders residing in the city. Unemployment in Martinsburg is moderate and the median home sales price is $0. Detailed and up-to-date Martinsburg property reports are available for any property address.
Cities near Martinsburg include Clay Township, Bladensburg and Morgan Township.