Exeter is a borough in the Greater Pittston-Wilkes-Barre area of Luzerne County, Pennsylvania, United States. It is about 10 mi west of Scranton and a few miles north of Wilkes-Barre. It is located on the western bank of the Susquehanna River and has a total area of 12.9 km2. As of the 2020 United States Census, Exeter had a population of 5,513.