Jefferson County, New York

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Jefferson County is a county in the U.S. state of New York. As of the 2010 census, the population was 116,229.[1] The county seat is Watertown.[2] The county is named after Thomas Jefferson, third President of the United States of America.[3] It is adjacent to Lake Ontario, southeast from the Canada–US border of Ontario.

Jefferson County was founded in 1805.

References[change | change source]

  1. "State & County QuickFacts". United States Census Bureau. Archived from the original on July 12, 2011. Retrieved October 12, 2013. Cite uses deprecated parameter |deadurl= (help)
  2. "Find a County". National Association of Counties. Archived from the original on 2011-05-31. Retrieved 2011-06-07. Cite uses deprecated parameter |deadurl= (help)
  3. Gannett, Henry (1905). The Origin of Certain Place Names in the United States. Govt. Print. Off. p. 168.