About This Place
Pen Argyl is a borough in Northampton County, Pennsylvania, 18 miles (29 km) north of Easton, in the Lehigh Valley region of the state. It is part of Pennsylvania's Slate Belt.
In 1900, 2,784 people lived in Pen Argyl, and in 1910, 3,967 people lived here. The population was 3,595 at the 2010 census.
Pen Argyl is located at 40°52′8″N 75°15′20″W / 40.86889°N 75.25556°W / 40.86889; -75.25556 (40.868854, -75.255451).