Jefferson County NY
Watertown, NYAbout
Jefferson County is located in the northern tier of New York State at the Junction of Lake Ontario and the St. Lawrence River. The County is bounded by the St. Lawrence River and St. Lawrence County to the north, Lake Ontario to the west, Lewis County to the east, and Oswego County to the South. The largest nearby U.S. population center is Syracuse, New York, located 70 miles to the south.