Watertown is a city in the state of New York and the county seat of Jefferson County. It is situated approximately 20 miles (35 km) south of the Thousand Islands, and 70 miles north of Syracuse, NY. As of the 2010 census, it had a population of 27,023, an increase of 1.2% since 2000.
Named after the many falls located on the Black River, the city developed early in the 19th century as a manufacturing center. From years of generating industrial wealth, in the early 20th century the city was said to have more millionaires per capita than any other city in the nation. Residents of Watertown built a rich public and private architectural legacy.