senecaville is what county
Senecaville is a village in Guernsey County, Ohio, United States. The population was 453 at the 2000 census. Senecaville is located at 39Â°56â²07â³N 81Â°27â²40â³W / 39.935164Â°N 81.461166Â°W / 39.935164; -81.461166. According to the United States Census Bureau, the village has a total area of 0.5 square miles (1.3 km2), all of it land.