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Welcome to Jefferson County ...

Time Zone: Jefferson County lies in the Eastern Time Zone (EST/EDT) and observes daylight saving time.

The community of Watertown is the Seat for Jefferson County.

Jefferson County was founded in 1805 and was created by taking area from Oneida County.

From the Census Estimates for 2019, <1> Jefferson had a population of 110,143 people. This is a decrease of 5.24% since the last Census (which gave a population of 116,229 people in 2010).

At the time of the 2010 Census, Jefferson represented 0.6% of the total population of New York.

Below are some of the communities located in Jefferson County:

  • Adams
    (16 miles [25.7 km] to the south)
    • Jump to our Gazetteer entry for Adams
    • Adams is located in Jefferson County (NY)
    • Population from the 2020 Census: 1,687 people
    • Jump to TripAdvisor's Tourism page for Adams <2>
  • Alexandria
    (19 miles [30.6 km] to the north)
    • Note: The GPS coordinates that we are using for Alexandria have been provided by the GNIS.<3> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Alexandria
    • Alexandria is located in Jefferson County (NY)
    • Population from the 2020 Census: 3,840 people
  • Alexandria Bay
    (20 miles [32.2 km] to the north)
    • Note: The GPS coordinates that we are using for Alexandria Bay have been provided by the GNIS.<3> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Alexandria Bay
    • Alexandria Bay is located in Jefferson County (NY)
    • Population from the 2020 Census: 1,012 people
    • Jump to TripAdvisor's Tourism page for Alexandria Bay <2>
  • Antwerp
    (20 miles [32.2 km] to the northeast)
    • Jump to our Gazetteer entry for Antwerp
    • Antwerp is located in Jefferson County (NY)
    • Population from the 2020 Census: 641 people
    • Jump to TripAdvisor's Tourism page for Antwerp <2>
  • Black River
    (7 miles [11.3 km] to the east)
  • Brownville
    (2 miles [3.2 km] to the southwest)
  • Cape Vincent
    (20 miles [32.2 km] to the west)
    • Note: The GPS coordinates that we are using for Cape Vincent have been provided by the GNIS.<3> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Cape Vincent
    • Cape Vincent is located in Jefferson County (NY)
    • Population from the 2020 Census: 680 people
    • Jump to TripAdvisor's Tourism page for Cape Vincent <2>
  • Carthage
    (17 miles [27.4 km] to the east)
    • Note: The GPS coordinates that we are using for Carthage have been provided by the GNIS.<3> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Carthage
    • Carthage is located in Jefferson County (NY)
    • Population from the 2020 Census: 3,256 people
    • Jump to TripAdvisor's Tourism page for Carthage <2>
  • Continue List   (34 more) ...
    • Champion
      (13 miles [20.9 km] to the east)
      • Note: The GPS coordinates that we are using for Champion have been provided by the GNIS.<3> The coordinates still need to be verified.
      • Jump to our Gazetteer entry for Champion
      • Champion is located in Jefferson County (NY)
      • Population from the 2020 Census: 4,236 people
    • Chaumont
      (9 miles [14.5 km] to the west)
      • Note: The GPS coordinates that we are using for Chaumont have been provided by the GNIS.<3> The coordinates still need to be verified.
      • Jump to our Gazetteer entry for Chaumont
      • Chaumont is located in Jefferson County (NY)
      • Population from the 2020 Census: 568 people
      • Jump to TripAdvisor's Tourism page for Chaumont <2>
    • Clayton
      (15 miles [24.1 km] to the northwest)
      • Jump to our Gazetteer entry for Clayton
      • Clayton is located in Jefferson County (NY)
      • Population from the 2020 Census: 1,775 people
      • Jump to TripAdvisor's Tourism page for Clayton <2>
    • Deferiet
      (13 miles [20.9 km] to the east)
      • Note: The GPS coordinates that we are using for Deferiet have been provided by the GNIS.<3> The coordinates still need to be verified.
      • Jump to our Gazetteer entry for Deferiet
      • Deferiet is located in Jefferson County (NY)
      • Population from the 2020 Census: 278 people
      • Jump to TripAdvisor's Tourism page for Deferiet <2>
    • Dexter
      (5 miles [8 km] to the southwest)
      • Jump to our Gazetteer entry for Dexter
      • Dexter is located in Jefferson County (NY)
      • Population from the 2020 Census: 980 people
      • Jump to TripAdvisor's Tourism page for Dexter <2>
    • Ellisburg
      (23 miles [37 km] to the southwest)
      • Note: The GPS coordinates that we are using for Ellisburg have been provided by the GNIS.<3> The coordinates still need to be verified.
      • Jump to our Gazetteer entry for Ellisburg
      • Ellisburg is located in Jefferson County (NY)
      • Population from the 2020 Census: 229 people
      • Jump to TripAdvisor's Tourism page for Ellisburg <2>
    • Evans Mills
      (7 miles [11.3 km] to the northeast)
    • Glen Park
      (2 miles [3.2 km] to the south)
      • Note: The GPS coordinates that we are using for Glen Park have been provided by the GNIS.<3> The coordinates still need to be verified.
      • Jump to our Gazetteer entry for Glen Park
      • Glen Park is located in Jefferson County (NY)
      • Population from the 2020 Census: 462 people
    • Henderson
      (17 miles [27.4 km] to the southwest)
      • Note: The GPS coordinates that we are using for Henderson have been provided by the GNIS.<3> The coordinates still need to be verified.
      • Jump to our Gazetteer entry for Henderson
      • Henderson is located in Jefferson County (NY)
      • Population from the 2020 Census: 1,287 people
    • Hounsfield
      (14 miles [22.5 km] to the southwest)
      • Note: The GPS coordinates that we are using for Hounsfield have been provided by the GNIS.<3> The coordinates still need to be verified.
      • Jump to our Gazetteer entry for Hounsfield
      • Hounsfield is located in Jefferson County (NY)
      • Population from the 2020 Census: 3,301 people
    • Le Ray
      (7 miles [11.3 km] to the east)
      • Note: The GPS coordinates that we are using for Le Ray have been provided by the GNIS.<3> The coordinates still need to be verified.
      • Jump to our Gazetteer entry for Le Ray
      • Le Ray is located in Jefferson County (NY)
      • Population from the 2020 Census: 20,680 people
    • Lorraine
      (19 miles [30.6 km] to the south)
      • Note: The GPS coordinates that we are using for Lorraine have been provided by the GNIS.<3> The coordinates still need to be verified.
      • Jump to our Gazetteer entry for Lorraine
      • Lorraine is located in Jefferson County (NY)
      • Population from the 2020 Census: 970 people
    • Lyme
      (13 miles [20.9 km] to the west)
      • Note: The GPS coordinates that we are using for Lyme have been provided by the GNIS.<3> The coordinates still need to be verified.
      • Jump to our Gazetteer entry for Lyme
      • Lyme is located in Jefferson County (NY)
      • Population from the 2020 Census: 2,034 people
    • Mannsville
      (23 miles [37 km] to the south)
    • Orleans
      (11 miles [17.7 km] to the north)
      • Note: The GPS coordinates that we are using for Orleans have been provided by the GNIS.<3> The coordinates still need to be verified.
      • Jump to our Gazetteer entry for Orleans
      • Orleans is located in Jefferson County (NY)
      • Population from the 2020 Census: 2,658 people
    • Pamelia
      (Less than 2 miles to the northeast)
      • Note: The GPS coordinates that we are using for Pamelia have been provided by the GNIS.<3> The coordinates still need to be verified.
      • Jump to our Gazetteer entry for Pamelia
      • Pamelia is located in Jefferson County (NY)
      • Population from the 2020 Census: 2,837 people
    • Philadelphia
      (14 miles [22.5 km] to the northeast)
      • Note: The GPS coordinates that we are using for Philadelphia have been provided by the GNIS.<3> The coordinates still need to be verified.
      • Jump to our Gazetteer entry for Philadelphia
      • Philadelphia is located in Jefferson County (NY)
      • Population from the 2020 Census: 1,101 people
      • Jump to TripAdvisor's Tourism page for Philadelphia <2>
    • Rodman
      (13 miles [20.9 km] to the south)
      • Note: The GPS coordinates that we are using for Rodman have been provided by the GNIS.<3> The coordinates still need to be verified.
      • Jump to our Gazetteer entry for Rodman
      • Rodman is located in Jefferson County (NY)
      • Population from the 2020 Census: 1,109 people
    • Rutland
      (9 miles [14.5 km] to the southeast)
      • Note: The GPS coordinates that we are using for Rutland have been provided by the GNIS.<3> The coordinates still need to be verified.
      • Jump to our Gazetteer entry for Rutland
      • Rutland is located in Jefferson County (NY)
      • Population from the 2020 Census: 2,845 people
    • Sackets Harbor
      (10 miles [16.1 km] to the southwest)
      • Note: The GPS coordinates that we are using for Sackets Harbor have been provided by the GNIS.<3> The coordinates still need to be verified.
      • Jump to our Gazetteer entry for Sackets Harbor
      • Sackets Harbor is located in Jefferson County (NY)
      • Population from the 2020 Census: 1,376 people
      • Jump to TripAdvisor's Tourism page for Sackets Harbor <2>
    • Theresa
      (14 miles [22.5 km] to the northeast)
      • Jump to our Gazetteer entry for Theresa
      • Theresa is located in Jefferson County (NY)
      • Population from the 2020 Census: 766 people
    • Watertown
      (7 miles [11.3 km] to the south)
      • Note: The GPS coordinates that we are using for Watertown have been provided by the GNIS.<3> The coordinates still need to be verified.
      • Jump to our Gazetteer entry for Watertown
      • Watertown is located in Jefferson County (NY)
      • Population from the 2020 Census: 4,426 people
    • West Carthage
      (16 miles [25.7 km] to the east)
      • Note: The GPS coordinates that we are using for West Carthage have been provided by the GNIS.<3> The coordinates still need to be verified.
      • Jump to our Gazetteer entry for West Carthage
      • West Carthage is located in Jefferson County (NY)
      • Population from the 2020 Census: 1,901 people
    • Wilna
      (17 miles [27.4 km] to the east)
      • Note: The GPS coordinates that we are using for Wilna have been provided by the GNIS.<3> The coordinates still need to be verified.
      • Jump to our Gazetteer entry for Wilna
      • Wilna is located in Jefferson County (NY)
      • Population from the 2020 Census: 5,787 people
    • Worth
      (20 miles [32.2 km] to the south)
      • Note: The GPS coordinates that we are using for Worth have been provided by the GNIS.<3> The coordinates still need to be verified.
      • Jump to our Gazetteer entry for Worth
      • Worth is located in Jefferson County (NY)
      • Population from the 2020 Census: 219 people

Websites of Interest ...

Footnotes ...

<1>On a yearly basis, the US Census Bureau creates an estimate of the county's population. Keep in mind that this is an estimate and not an actual count. The last physical count was the 2010 Census and the next count will be for the 2020 Census.
<2>While we're fans and frequent users of TripAdvisor, you should know that we're also members of the TripAdvisor affiliate program.
<3>The location has been supplied by the Geographic Names Information System - which is maintained by the U.S. Geological Survey (USGS). While these values should be definitive, we found that accuracy can vary and you should double-check the location if accuracy is required.
 

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This page was last modified/updated: 26 Feb 2024