Binghamton is a city in the U.S. state of New York, and serves as the county seat of Broome County. Surrounded by rolling hills, it lies in the state's Southern Tier region near the Pennsylvania border, in a bowl-shaped valley at the confluence of the Susquehanna and Chenango rivers. The population was 47,969 at the 2020 census. Binghamton is the principal city of the Binghamton metropolitan area, home to a quarter million people.