Watertown is a city in the U.S. state of New York and the county seat of Jefferson County. It is situated approximately 25 miles (40 km) south of the Thousand Islands, and along the Black River about 5 miles (8.0 km) east of its mouth at Lake Ontario. It lies 180 miles (290 km) northwest of Albany, the state capital, and 328 miles (530 km) northwest of New York City. As of the 2010 census, it had a population of 27,023.
- CURRENCY US dollar
- LANGUAGE English