Cities & Towns in Jefferson County, NY

Jefferson County, county in New York, United States. As of 2020 county had an estimated population of 108,095 inhabitants. The county was created 219 years ago in 1805. Its county seat is Watertown.

There are 0 city/town in Jefferson County, NY.

Nestled along the shores of Lake Ontario and the St. Lawrence River in northern New York, Jefferson County is home to a mix of small cities, quaint villages, and rural towns. With its natural beauty and rich history, Jefferson County offers visitors a glimpse into classic upstate New York living.

The city of Watertown serves as the county seat and is the largest municipality in Jefferson County. As the commercial hub of the region, Watertown boasts a charming and walkable downtown full of shops, restaurants, and historic architecture. Other notable cities include Cape Vincent, known for its waterfront location and summer recreation, and Adams, located right on the border with Canada.

Dotted throughout Jefferson County's countryside are classic small towns like Sackets Harbor, a former shipbuilding center with ties to the War of 1812, and Alexandria Bay, located along the St. Lawrence River and home to the famous Boldt Castle. Quaint villages like Antwerp, Carthage, and Deferiet retain their rural charm andprovide a quieter pace of life.

With its blend of small cities, villages, and rural towns, Jefferson County offers visitors the best of classic upstate New York living. From the shores of Lake Ontario to the St. Lawrence River, the county's scenic landscapes and rich history make it the perfect place to experience the local culture and natural beauty of northern New York.

All Jefferson County Cities (Aphebetical)

List of cities, towns, neighborhoods & other populated places in Jefferson County.

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City Name Title Population
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County Cities on Map (0)

New York Counties (61)

Queens County (2,225,821) New York County (1,611,989) Suffolk County (1,474,273) Bronx County (1,401,142) Nassau County (1,351,334) Westchester County (965,802) Erie County (917,241) Monroe County (740,900) Richmond County (475,327) Onondaga County (459,214) Orange County (385,234) Rockland County (326,225) Albany County (303,654) Dutchess County (293,293) Saratoga County (230,298) Oneida County (227,346) Niagara County (208,396) Broome County (189,420) Ulster County (177,716) Rensselaer County (158,108) Schenectady County (155,358) Chautauqua County (126,032) Oswego County (116,346) St. Lawrence County (111,007) Ontario County (110,091) Jefferson County (108,095) Tompkins County (101,058) Putnam County (98,532) Steuben County (94,657) Wayne County (89,339) Chemung County (82,622) Clinton County (79,778) Cayuga County (76,029) Cattaraugus County (75,863) Sullivan County (75,802) Madison County (70,478) Warren County (63,756) Livingston County (62,398) Herkimer County (60,945) Washington County (60,606) Columbia County (59,534) Otsego County (58,701) Genesee County (56,994) Fulton County (52,812) Franklin County (49,965) Montgomery County (49,170) Tioga County (47,904) Greene County (47,177) Cortland County (47,173) Chenango County (46,730) Allegany County (45,587) Delaware County (43,938) Orleans County (39,978) Wyoming County (39,465) Essex County (36,891) Seneca County (33,991) Schoharie County (31,132) Lewis County (26,187) Yates County (24,780) Schuyler County (17,685) Hamilton County (4,345)