Williamsport is a city in, and the county seat of, Lycoming County, Pennsylvania, United States. In 2019, the population was estimated at 28,186. It is the principal city of the Williamsport, Pennsylvania, Metropolitan Statistical Area, which has a population of about 114,000.
The city is the cultural, financial, and commercial center of Central Pennsylvania. It is 131 miles (211 km) from Philadelphia, 166 miles (267 km) from Pittsburgh and 85 miles (137 km) from state capital Harrisburg. The city is renowned for its sports, arts scene and food. Williamsport was settled by Americans late in the 18th century, and the town began to prosper due to its lumber industry. By the early 20th century, the town reached the height of its prosperity and the population has since declined by about a third from its peak of around 45,000 in 1950.
As county seat, Williamsport has the county court house, county prison, sheriff's office headquarters and federal courthouse all located in the downtown neighborhood. The city is also home to two institutions of higher learning: the Pennsylvania College of Technology and Lycoming College.