Jefferson County New York Cities & Towns
County seat: Watertown
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Communities
City
- Watertown (county seat)
Towns
- Adams
- Alexandria
- Antwerp
- Brownville
- Cape Vincent
- Champion
- Clayton
- Ellisburg
- Henderson
- Hounsfield
- Le Ray
- Lorraine
- Lyme
- Orleans
- Pamelia
- Philadelphia
- Rodman
- Rutland
- Theresa
- Watertown
- Wilna
- Worth
Villages
- Adams
- Alexandria Bay
- Antwerp
- Black River
- Brownville
- Cape Vincent
- Carthage
- Chaumont
- Clayton
- Deferiet
- Dexter
- Ellisburg
- Evans Mills
- Glen Park
- Herrings
- Mannsville
- Philadelphia
- Sackets Harbor
- Theresa
- West Carthage
Hamlets and Census-designated places
- Adams Center
- Belleville
- Calcium
- Depauville
- Felts Mills
- Fishers Landing
- Fort Drum
- Great Bend
- La Fargeville
- Natural Bridge
- Oxbow
- Redwood
- Thousand Island Park
- Three Mile Bay