Coopersburg is a borough in Lehigh County, Pennsylvania, United States. It is a suburb of Allentown in theLehigh Valley region of the state. Lehigh County is included in the Allentown-Bethlehem-Easton, PA-NJMetropolitan Statistical Area, which is also included in the New York City-Newark, New Jersey, NY-NJ-CT-PA Combined Statistical Area.The population of Coopersburg was 2,386 at the 2010 census.
Coopersburg was settled in about 1730 and was called Freyburg, named after Joseph Frey a local tavern owner and judge, in its early years. By the time the town was incorporated, it had been renamed Coopersburg, after Judge Peter Cooper. The town was once the site of famous cattle sales at the estate of Tilghman S. Cooper.