Tunkhannock is a borough in Wyoming County, Pennsylvania, 31 miles (50 km) northwest of Wilkes-Barre. In the past, lumbering was carried on extensively. Today, many residents are employed by the Procter & Gamble plant nearby. 1,305 people lived there in 1900, and as of the 2010 census, the borough population was 1,836. It is the county seat of Wyoming County.