| Capital: | Watertown |
|---|---|
| Origen y Formación del condado: | Oneida County |
| Población: | 116,229 habitantes |
| Densidad: | 63 habitantes/Sq mi |
| Área: | 1,857 sq mi |
| Localización del condado dentro de New York: |
|
Localidades en Jefferson, New York
- Adams Town
- Adams Center
- Alexandria
- Alexandria Bay
- Antwerp
- Antwerp (town)
- Belleville
- Black River
- Brownville
- Brownville (town)
- Calcium
- Cape Vincent Town
- Carthage
- Champion
- Chaumont
- Clayton Town
- Clayton Village
- Deferiet
- Depauville
- Dexter
- Ellisburg Town
- Evans Mills
- Fishers Landing
- Fort Drum
- Glen Park
- Great Bend
- Henderson
- Henderson Harbor
- Herrings
- Hounsfield
- La Fargeville
- Le Ray
- Limerick
- Lorraine
- Lyme
- Mannsville
- Natural Bridge
- Orleans
- Oxbow
- Pamelia
- Philadelphia
- Philadelphia (town)
- Pierrepont Manor
- Plessis
- Redwood
- Rodman
- Rutland
- Sackets Harbor
- Sanfords Four Corners
- South Rutland
- Theresa Town
- Theresa Village
- Three Mile Bay
- Watertown
- Wellesley Island
- West Carthage
- Wilna
- Worth