Clarksburg is an unincorporated community in Conemaugh Township, in Indiana County, Pennsylvania, United States. It is located on PA Route 286 between Indiana and Saltsburg. In the town proper, Clarksburg contains a post office, greenhouse, a bar, a Sunoco station, small store, and fish hatchery, as well as the Clarksburg Presbyterian Church. Th…Clarksburg is an unincorporated community in Conemaugh Township, in Indiana County, Pennsylvania, United States. It is located on PA Route 286 between Indiana and Saltsburg. In the town proper, Clarksburg contains a post office, greenhouse, a bar, a Sunoco station, small store, and fish hatchery, as well as the Clarksburg Presbyterian Church. The church youth hold multiple spaghetti dinners on Saturdays throughout the fall and spring. There are a number of family farms in the area, including agribusiness such as feed lots and "pick your own". The town also has its own T-ball and baseball league that gets organized at the Kenneth Quick Memorial Park. The park also plays host to the annual town festival that has a 5k, dunking booth and food stands.