Jermyn, known as "The Birthplace of First Aid in America," is a borough in Lackawanna County, Pennsylvania, on the Lackawanna River, 12 miles (19 km) northeast of Scranton. A productive anthracite coal field was in the region in 1900 when 2,567 people lived here. In 1910, 3,158 residents of Jermyn were tallied. In the early years of the twentieth century, coal mines, cut-glass works, silk, powder, grist, planing, and saw mills, bottling works, and fertilizer factories dotted the borough. The population was 2,287 at the 2000 census. Jermyn is the mailing address of the Lakeland School District. The section of town east of the Lackawanna River and west of the small section of Archbald known as "Nebraska" , East Jermyn is commonly referred to as "Calico Lane" or "The Lane".
Jermyn is located at 41°31′40″N 75°32′50″W / 41.52778°N 75.54722°W / 41.52778; -75.54722 (41.527806, -75.547147).
According to the United States Census Bureau, the borough has a total area of 0.8 square miles (2.0 km²), all of it land.