Welcome to Henderson Harbor ...

Henderson Harbor is located in the Thousand Islands/Saint Lawrence River/Seaway region.

Henderson Harbor is located in Jefferson County<1>.

While we don't have a date for the founding of Henderson Harbor, you might consider that their post office opened  in 1889.

A typical abbreviation for Henderson Harbor: Henderson Hbr. (or less commonly used: Henderson Harb. or Henderson Hrbr.)

Henderson Harbor is 240 feet [73 m] above sea level.<2>.

Time Zone: Henderson Harbor lies in the Eastern Time Zone (EST/EDT) and observes daylight saving time

Area Codes for Henderson Harbor: 315 & 680<3>

Communities near Henderson Harbor ...

We have created a list of 10 communities that are near Henderson Harbor.

• Watertown
  (16 miles [25.7 km] to the northeast)
  • Jump to our Gazetteer entry for Watertown
  • Watertown is located in Jefferson County
  • Population from the 2020 Census: 24,330 people
  • Jump to TripAdvisor's Tourism page for Watertown <4>
• Adams
  (9 miles [14.5 km] to the southeast)
  • Jump to our Gazetteer entry for Adams
  • Adams is located in Jefferson County
  • Population from the 2020 Census: 1,687 people
  • Jump to TripAdvisor's Tourism page for Adams <4>
• Sackets Harbor
  (6 miles [9.7 km] to the northeast)
  • Note: The GPS coordinates that we are using for Sackets Harbor have been provided by the GNIS.<5> The coordinates still need to be verified.
  • Jump to our Gazetteer entry for Sackets Harbor
  • Sackets Harbor is located in Jefferson County
  • Population from the 2020 Census: 1,376 people
  • Jump to TripAdvisor's Tourism page for Sackets Harbor <4>
• Brownville
  (14 miles [22.5 km] to the northeast)
  • Jump to our Gazetteer entry for Brownville
  • Brownville is located in Jefferson County
  • Population from the 2020 Census: 1,063 people
  • Jump to TripAdvisor's Tourism page for Brownville <4>
• Dexter
  (12 miles [19.3 km] to the northeast)
  • Jump to our Gazetteer entry for Dexter
  • Dexter is located in Jefferson County
  • Population from the 2020 Census: 980 people
  • Jump to TripAdvisor's Tourism page for Dexter <4>
• Sandy Creek
  (16 miles [25.7 km] to the south)
  • Jump to our Gazetteer entry for Sandy Creek
  • Sandy Creek is located in Oswego County
  • Population from the 2020 Census: 716 people
  • Jump to TripAdvisor's Tourism page for Sandy Creek <4>
• Cape Vincent
  (19 miles [30.6 km] to the north)
  • Note: The GPS coordinates that we are using for Cape Vincent have been provided by the GNIS.<5> The coordinates still need to be verified.
  • Jump to our Gazetteer entry for Cape Vincent
  • Cape Vincent is located in Jefferson County
  • Population from the 2020 Census: 680 people
  • Jump to TripAdvisor's Tourism page for Cape Vincent <4>
• Chaumont
  (14 miles [22.5 km] to the north)
  • Jump to our Gazetteer entry for Chaumont
  • Chaumont is located in Jefferson County
  • Population from the 2020 Census: 568 people
  • Jump to TripAdvisor's Tourism page for Chaumont <4>
• Lacona
  (16 miles [25.7 km] to the southeast)
  • Jump to our Gazetteer entry for Lacona
  • Lacona is located in Oswego County
  • Population from the 2020 Census: 545 people
  • Jump to TripAdvisor's Tourism page for Lacona <4>
• Glen Park
  (15 miles [24.1 km] to the northeast)
  • Note: The GPS coordinates that we are using for Glen Park have been provided by the GNIS.<5> The coordinates still need to be verified.
  • Jump to our Gazetteer entry for Glen Park
  • Glen Park is located in Jefferson County
  • Population from the 2020 Census: 462 people

To Help With Your Genealogy Research ...

We have a couple of sections for those tracing their genealogy.

We created a list of cemeteries that are in the area around Henderson Harbor. Our list includes the location of those cemeteries and we provide an overhead view. See our Cemetery List for Henderson Harbor.

Using the information from an 1895 Atlas, we've created a list of communities that were in the area of Henderson Harbor. Our list includes information such as whether the 1895 community had a post office or railroad service. See our List of 1890's Communities around Henderson Harbor.

We also have a detailed list of newspapers that have been published in the area around Henderson Harbor. See our Newspapers Page for Henderson Harbor.

TripAdvisor Tourism Pages for Henderson Harbor ...

Looking for more information about Henderson Harbor? A wonderful source is the TripAdvisor website. We always start with the TripAdvisor Tourism page, where you can read an overview with links that will help you find lodging, restaurants and attractions.

In addition to the Tourism page for Henderson Harbor, there are neighboring communities that also have Tourism pages. More information about those communities can be found on our TripAdvisor Page for Henderson Harbor.

Adding Henderson Harbor to Our Gazetteer ...

We originally found mention of Henderson Harbor in both the FIPS-55 and the GNIS. For more information, see the FIPS and GNIS Codes sections on our Miscellaneous Page.

From our notes, the earliest published mention we've found for Henderson Harbor was in the document titled List of Post Offices from Cameron Blevins and Richard Helbock.<6>

X2X - From that list, the Henderson Harbor post office opened in 1889.

We also found Henderson Harbor in the book titled Business Atlas and Shippers' Guide (1895).

For more details, see References and Mentions for Henderson Harbor.

Off-the-Road Links ...

Unfortunately, we don't know of a website for Henderson Harbor. If you can help, please contact us through our Feedback Page.

The official website for Jefferson County: www.co.jefferson.ny.us/

The official website for State of New York: https://www.ny.gov/