Johnson City is a village in Broome County, New York, United States. The population was 15,343 at the 2020 census. It is part of the Binghamton Metropolitan Statistical Area. The village of Johnson City is in the town of Union and is a part of the "Triple Cities" along with Endicott and Binghamton. Johnson City lies to the west of Binghamton on the eastern side of the town of Union.