There are 6 US Post Offices in Perry County serving a total of 16,893 residents equating to 2,816 residents per post office. It's estimated that approximately 26,963 packages are handled across the 6 county post offices annually. Perry County is a county located in the southwestern part of the U.S. state of Indiana. As of 2010, the population was 19,338. The county seat is Tell City. It is the hilliest county as well as one of the most forested counties of in Indiana as it features more than 60,000 acres (240 km2) of Hoosier National Forest. The Ohio River Scenic Byway along Indiana State Road 66 runs along the southern border of the county while Interstate 64 traverses the northern portion of the county. Connecting the two is Indiana State Road 37. The county features three incorporated communities: Tell City (2009 population 7,473), Cannelton (2009 population 1,130) and Troy (2009 population 379). Each is located in Troy Township which is situated along the south western corner of the county. Coordinated efforts with County officials led to the acquisition of an abandoned rail line that has since been reactivated as the County-owned Hoosier Southern Rail Road. Managed by the Perry County Port Authority, the 22-mile (35 km) short-line rail road connects the Perry County River Port with the Norfolk Southern Rail Road."