About This Place
Martinsburg is a village in Knox County, Ohio, United States. The population was 185 at the 2000 census.
Martinsburg is located at 40°16′14″N 82°21′13″W / 40.27056°N 82.35361°W / 40.27056; -82.35361 (40.270464, -82.353474).
According to the United States Census Bureau, the village has a total area of 0.2 square miles (0.5 km²), all of it land.