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Cities and Towns in the United States > State New York > Jefferson County
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Jefferson County, located in the northern part of New York State, is known for its picturesque natural beauty and rich historical heritage. Home to the renowned Thousand Islands region, the county offers stunning waterfront vistas and recreational opportunities such as boating, fishing, and camping. Visitors can explore historic sites like Boldt Castle, the Sackets Harbor Battlefield, and the Jefferson County Historical Society Museum. The county also hosts several annual events, including the Jefferson County Fair and the Thousand Islands Jazz Festival. With its blend of natural wonders and cultural attractions, Jefferson County is a popular destination for outdoor enthusiasts and history buffs alike.

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Jefferson County administration contact details

Jefferson County, NY administration contact detailsNot available
County seatWatertown
Phone number(315) 785-3000
Email address[email protected]
Official websitewww.co.jefferson.ny.us
County clerkGizmo Alfaro
County commissionerScott Gray

Jefferson County, NY Sheriff's Office and Jail Information

Number of prisons1
Jail namesJefferson County Correctional Facility
Sheriff office address753 Waterman Drive, Watertown, NY 13601
Sheriff office phone number315-786-2601
Inmate search informationTo locate an inmate in Jefferson County, visit the sheriff’s office website or call the jail directly for assistance.
Clerk of Court nameCindy F. Intschert
Clerk of Court address175 Arsenal Street, Watertown, NY 13601

Jefferson County (NY) Statistics

Number of cities/towns/villages1
Population1,285
Area44 sq mi
Density29/sq mi
Altitude1,988 ft
Median Household Income$35,000
Poverty rate15%
Unemployment rate4%

Environmental risk in Jefferson County, NY

Overall riskVery Low
Expected Annual LossVery Low
Social VulnerabilityRelatively High
Community ResilienceRelatively High
Avalanche RiskNot Applicable
Coastal Flooding RiskVery Low
Cold Wave RiskRelatively High
Drought RiskNo Rating
Earthquake RiskRelatively Low

Data obtained from the FEMA National Risk Index.

counties surrounding Jefferson

Lewis 33.5 milesOswego 37.8 milesSt. Lawrence 59.6 miles
Oneida 60.7 milesHerkimer 67.6 milesWayne 68.2 miles

List of cities and towns in Jefferson County by population size

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Birth certificate - U.S. Vital Records