Jefferson (NY): Profile

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
- Jump to our Gazetteer entry for Adams
- Population from the 2020 Census: 1,687 people
- Jump to Google Maps centered on Adams
- Jump to TripAdvisor's Tourism page for Adams<2>
Alexandria
- Jump to our Gazetteer entry for Alexandria
- Population from the 2020 Census: 3,840 people
- 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 Google Maps centered on Alexandria
Alexandria Bay
- Jump to our Gazetteer entry for Alexandria Bay
- Population from the 2020 Census: 1,012 people
- 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 Google Maps centered on Alexandria Bay
- Jump to TripAdvisor's Tourism page for Alexandria Bay<2>
Antwerp
- Jump to our Gazetteer entry for Antwerp
- Population from the 2020 Census: 641 people
- Note: The GPS coordinates that we are using for Antwerp have been provided by the GNIS.<3> The coordinates still need to be verified.
- Jump to Google Maps centered on Antwerp
- Jump to TripAdvisor's Tourism page for Antwerp<2>
Black River
- Jump to our Gazetteer entry for Black River
- Population from the 2020 Census: 1,217 people
- Jump to Google Maps centered on Black River
- Jump to TripAdvisor's Tourism page for Black River<2>
Brownville
- Jump to our Gazetteer entry for Brownville
- Population from the 2020 Census: 1,063 people
- Note: The GPS coordinates that we are using for Brownville have been provided by the GNIS.<3> The coordinates still need to be verified.
- Jump to Google Maps centered on Brownville
- Jump to TripAdvisor's Tourism page for Brownville<2>
Cape Vincent
- Jump to our Gazetteer entry for Cape Vincent
- Population from the 2020 Census: 680 people
- 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 Google Maps centered on Cape Vincent
- Jump to TripAdvisor's Tourism page for Cape Vincent<2>
Carthage
- Jump to our Gazetteer entry for Carthage
- Population from the 2020 Census: 3,256 people
- 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 Google Maps centered on Carthage
- Jump to TripAdvisor's Tourism page for Carthage<2>
Continue List (34 more) ...
- Champion
  - Jump to our Gazetteer entry for Champion
  - Population from the 2020 Census: 4,236 people
  - 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 Google Maps centered on Champion
- Chaumont
  - Jump to our Gazetteer entry for Chaumont
  - Population from the 2020 Census: 568 people
  - 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 Google Maps centered on Chaumont
  - Jump to TripAdvisor's Tourism page for Chaumont<2>
- Clayton
  - Jump to our Gazetteer entry for Clayton
  - Population from the 2020 Census: 1,775 people
  - Jump to Google Maps centered on Clayton
  - Jump to TripAdvisor's Tourism page for Clayton<2>
- Deferiet
  - Jump to our Gazetteer entry for Deferiet
  - Population from the 2020 Census: 278 people
  - 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 Google Maps centered on Deferiet
  - Jump to TripAdvisor's Tourism page for Deferiet<2>
- Dexter
  - Jump to our Gazetteer entry for Dexter
  - Population from the 2020 Census: 980 people
  - Jump to Google Maps centered on Dexter
  - Jump to TripAdvisor's Tourism page for Dexter<2>
- Ellisburg
  - Jump to our Gazetteer entry for Ellisburg
  - Population from the 2020 Census: 229 people
  - 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 Google Maps centered on Ellisburg
  - Jump to TripAdvisor's Tourism page for Ellisburg<2>
- Evans Mills
  - Jump to our Gazetteer entry for Evans Mills
  - Population from the 2020 Census: 545 people
  - Jump to Google Maps centered on Evans Mills
  - Jump to TripAdvisor's Tourism page for Evans Mills<2>
- Glen Park
  - Jump to our Gazetteer entry for Glen Park
  - Population from the 2020 Census: 462 people
  - 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 Google Maps centered on Glen Park
- Henderson
  - Jump to our Gazetteer entry for Henderson
  - Population from the 2020 Census: 1,287 people
  - 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 Google Maps centered on Henderson
- Hounsfield
  - Jump to our Gazetteer entry for Hounsfield
  - Population from the 2020 Census: 3,301 people
  - 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 Google Maps centered on Hounsfield
- Le Ray
  - Jump to our Gazetteer entry for Le Ray
  - Population from the 2020 Census: 20,680 people
  - 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 Google Maps centered on Le Ray
- Lorraine
  - Jump to our Gazetteer entry for Lorraine
  - Population from the 2020 Census: 970 people
  - 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 Google Maps centered on Lorraine
- Lyme
  - Jump to our Gazetteer entry for Lyme
  - Population from the 2020 Census: 2,034 people
  - 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 Google Maps centered on Lyme
- Mannsville
  - Jump to our Gazetteer entry for Mannsville
  - Population from the 2020 Census: 330 people
  - Jump to Google Maps centered on Mannsville
  - Jump to TripAdvisor's Tourism page for Mannsville<2>
- Orleans
  - Jump to our Gazetteer entry for Orleans
  - Population from the 2020 Census: 2,658 people
  - 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 Google Maps centered on Orleans
- Pamelia
  - Jump to our Gazetteer entry for Pamelia
  - Population from the 2020 Census: 2,837 people
  - 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 Google Maps centered on Pamelia
- Philadelphia
  - Jump to our Gazetteer entry for Philadelphia
  - Population from the 2020 Census: 1,101 people
  - 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 Google Maps centered on Philadelphia
  - Jump to TripAdvisor's Tourism page for Philadelphia<2>
- Rodman
  - Jump to our Gazetteer entry for Rodman
  - Population from the 2020 Census: 1,109 people
  - 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 Google Maps centered on Rodman
- Rutland
  - Jump to our Gazetteer entry for Rutland
  - Population from the 2020 Census: 2,845 people
  - 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 Google Maps centered on Rutland
- Sackets Harbor
  - Jump to our Gazetteer entry for Sackets Harbor
  - Population from the 2020 Census: 1,376 people
  - 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 Google Maps centered on Sackets Harbor
  - Jump to TripAdvisor's Tourism page for Sackets Harbor<2>
- Theresa
  - Jump to our Gazetteer entry for Theresa
  - Population from the 2020 Census: 766 people
  - Jump to Google Maps centered on Theresa
- Watertown
  - Jump to our Gazetteer entry for Watertown
  - Population from the 2020 Census: 4,426 people
  - 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 Google Maps centered on Watertown
- West Carthage
  - Jump to our Gazetteer entry for West Carthage
  - Population from the 2020 Census: 1,901 people
  - 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 Google Maps centered on West Carthage
- Wilna
  - Jump to our Gazetteer entry for Wilna
  - Population from the 2020 Census: 5,787 people
  - 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 Google Maps centered on Wilna
- Worth
  - Jump to our Gazetteer entry for Worth
  - Population from the 2020 Census: 219 people
  - 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 Google Maps centered on Worth

Websites of Interest ...

Websites specific to New York
- Jump to Cyndi's List
- Jump to Family Search
- Jump to Genealogy Trails
- Website for the New York State Archives

Websites specific to Jefferson County
- Jump to Cyndi's List
- Jump to Family Search
- Jump to Genealogy Trails

Websites for nearby counties
- Saint Lawrence County
  - Jump to Cyndi's List
  - Jump to Family Search
  - Jump to Genealogy Trails
- Lewis County
  - Jump to Cyndi's List
  - Jump to Family Search
  - Jump to Genealogy Trails
- Oswego County
  - Jump to Cyndi's List
  - Jump to Family Search
  - Jump to Genealogy Trails

Cemetery Information and Directories
- Cemetery Junction: Cemeteries of New York
- Cyndi's List
- Cemeteries of New York
- Cemeteries of Jefferson County
- FamilySearch.org: Cemeteries of New York
- Find-A-Grave: Home Page
- Interment.net
- Cemeteries of New York
- Cemeteries of Jefferson County

Of Special Interest ...
- The GenDisasters website specializes in newspaper articles about tragedies and disasters. While it makes interesting reading all by itself, it should be of special interest to genealogists and family historians looking for people who were either affected by or directly involved in such tragedies.
- At this time (Dec 2022), GenDisasters website is currently offline due to a hacker attack. Hopefully they will be back soon.

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 have found that accuracy can vary and you should double-check the location if accuracy is required.