Franklin is a city in Venango County, Pennsylvania, United States. The population was 6,078 in the 2018 census. It is the county seat of Venango County. Franklin is part of the Oil City, PA Micropolitan Statistical Area. Franklin was ranked in America's Top Ten Streets in 2019. Franklin is known for the three day autumn festival known as Applefest in October which attracts hundreds of thousands of visitors.
Franklin sits on French Creek and the Allegheny River, which was a great spot for Native Americans to build shelter. In 1740, Scottish fur trader John Fraser built a trading post in Franklin. Once the trading post was abandoned, British fur traders planned to construct it. George Washington was sent to Franklin to warn the French that they were trespassing on British land.