Zoar, IndianaZoar is an unincorporated community in Pike and Dubois counties, in the U.S. state of Indiana.HistoryA church at Zoar was built in 1871, and its schoolhouse was built in 1897. A post office was established at Zoar in 1900, and remained in operation until it was discontinued in 1907. The community was likely named after Zoar, Ohio.