Star Junction is a small census-designated place located in Fayette County, Pennsylvania. It is part of the Pittsburgh metropolitan area and has a rich history tied to the coal mining industry. The community was established in the 19th century and has seen various economic changes over the years. As of the 2020 census, Star Junction had a population of around 300 residents. The area features a mix of residential homes and local businesses, reflecting its small-town character. The surrounding landscape includes natural beauty typical of Western Pennsylvania, with hills and forests nearby.