Pittsburg, KentuckyPittsburg is an unincorporated community and coal town in Laurel County, Kentucky. It was named for the industrial heritage of Pittsburgh, Pennsylvania. Their post office has been open since 1882.HistoryOn November 14, 2007, an EF0 tornado struck Pittsburg, traveling northwest from Bernstadt.GeographyPittsburg is on Kentucky Route 6260, with a terminus at Hal Rogers Parkway near London.