About This Place
Youngsville is a borough in Warren County, Pennsylvania, United States. The population was 1,834 at the 2000 census.
Youngsville is located at 41°51′12″N 79°19′7″W / 41.85333°N 79.31861°W / 41.85333; -79.31861 (41.853460, -79.318614).
According to the United States Census Bureau, the borough has a total area of 1.3 square miles (3.4 km²), all of it land.