Huntingdon County is a county in the Commonwealth of Pennsylvania. As of the 2020 census, the population was 44,092. Its county seat is Huntingdon. The county was created on September 20, 1787, mainly from the northern part of Bedford County, plus an addition of territory on the east from Cumberland County. The county is part of the Southwest Pennsylvania region of the state.

Huntingdon is a borough in and county seat of Huntingdon County, Pennsylvania, United States. It is located along the Juniata River, approximately 32 miles (51 km) east of Altoona and 92 miles (148 km) west of Harrisburg. With a population of 6,827 at the 2020 census, it is the largest population center near Raystown Lake, a winding, 28-mile-long (45 km) flood-control reservoir managed by the U.S. Army Corps of Engineers.