Pittsburg is an unincorporated community in Hickory County, Missouri, United States. In Law, an unincorporated area is a region of land that is not a part of any Municipality. Hickory County is a County located in the US state of Missouri. Missouri ( or) is a state in the Midwestern region of the United States bordered by Iowa, Illinois, Kentucky, Tennessee The United States of America —commonly referred to as the It is located about ten miles south of Hermitage on Route 64. Hermitage is a city in Hickory County, Missouri, United States, along the Pomme de Terre River. Route 64 is a highway in central Missouri with endpoints of Route 254 south of Hermitage and Interstate 44 in Lebanon. It is on the shores of Pomme de Terre Lake. Pomme de Terre Lake is located in South-West Missouri at the confluence of Lindley creek and the Pomme de Terre River (for which it is named