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Jefferson County, New York

The location of Jefferson County in New York
The Public Square in Watertown, New York

Jefferson County is a county in the U.S. state of New York. As of the 2020 census, the population was 116,721.[1] The county seat is Watertown.[2] The county is named after Thomas Jefferson, third President of the United States of America.[3] Jefferson County is west of Lake Ontario, and southeast from the Canada–US border. Jefferson County is mostly rural area. Fort Drum is inside Jefferson County. The 10th Mountain Division is inside Fort Drum. Jefferson County is part of New York's 21st and 24th congressional districts.

Jefferson County was founded on March 28 1805.

  1. ↑ "QuickFacts: Jefferson County, New York". United States Census Bureau. Retrieved August 16, 2023.
  2. ↑ Cite error: The named reference GR6 was used but no text was provided for refs named (see the help page).
  3. ↑ Cite error: The named reference The Origin of Certain Place Names in the United States was used but no text was provided for refs named (see the help page).

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