Laflin is a borough in the Greater Pittston area of Luzerne County, Pennsylvania, United States. The population was 1,443 at the time of the 2020 census. Laflin was incorporated as a borough in 1889. It was likely named for one of the owners of the Laflin & Rand Powder Company. The following year, in 1890, the population of the newly formed borough …Laflin is a borough in the Greater Pittston area of Luzerne County, Pennsylvania, United States. The population was 1,443 at the time of the 2020 census. Laflin was incorporated as a borough in 1889. It was likely named for one of the owners of the Laflin & Rand Powder Company. The following year, in 1890, the population of the newly formed borough was just over two hundred. Coal mining led to a population boom in the region.