Lock Haven, Pennsylvania

city in Pennsylvania, United States

Lock Haven is the county seat in Clinton County, Pennsylvania. It started as a town in 1833.[1] It was declared a city in 1870. As of 2020, there were 8,108 people living in the city.[2] The most damaging floods in Lock Haven happened in June 1972 when remnants from Hurricane Agnes crossed Schuylkill County within 75 miles of Lock Haven.[3]


  1. "Clinton County" (PDF). The Pennsylvania Historical and Museum Commission. Retrieved July 23, 2021.
  2. "QuickFacts: Lock Haven city, Pennsylvania". United States Census Bureau. Retrieved September 11, 2023.
  3. "Hurricane Agnes" (PDF). NOAA. Archived from the original (PDF) on September 29, 2012. Retrieved July 23, 2021.