New York County Maps
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Jefferson County, New York
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Jefferson County, New York Map
An detailed map of Jefferson County. Click on a nearby County to view more information about that County.
Map of Towns in Jefferson County, New York
An interactive map of county subdivisions in Jefferson County. In New York, that can include Towns, Reservations, UTs, and Boroughs. Find what town you are in now.
Map of Counties in New York
An interactive map of Counties in New York. Click on a County to view more information about that County.
About Jefferson County, New York
Jefferson County is a county on the northern border of the U.S. state of New York. As of the 2020 census, the population was 116,721. Its county seat is Watertown. The county is named after Thomas Jefferson, third President of the United States of America. It is adjacent to Lake Ontario, southeast from the Canada–US border of Ontario. The county is part of the North Country region of the state.
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This site has an interactive map of New York Counties. Click on the map to find your New York county, and view more details. You can also search for your address and use your GPS to find your New York County.
Find what County you are in, and see official New York County resources and information. Find any county in the United Stated, along with resources and links to official County websites. See a County map and local details. Looking for what county you are currently in? Find out on this map or use your device GPS to see what county you are in.