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Welcome to Sylvan Lake ...

Sylvan Lake is located in Dutchess County<1>.

While we don't have a date for the founding of Sylvan Lake, you might consider that their post office opened  in 1870.

A typical abbreviation for Sylvan Lake: Sylvan Lk.

Sylvan Lake is 340 feet [104 m] above sea level.<2>.

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

Area Codes for Sylvan Lake: 845 & 329<3>

Communities Also Named Sylvan Lake ...

Using our Gazetteer, we found that there are 8 communities that are also named Sylvan Lake - they are located in Alberta, Florida (2), Illinois, Michigan, Minnesota, New Jersey and Wisconsin.

For more information, see our Tidbits & Trivia Page for Sylvan Lake.

Communities near Sylvan Lake ...

We have created a list of 10 communities that are near Sylvan Lake.

  • Danbury
    (19 miles [30.6 km] to the southeast)
    • Note: The GPS coordinates that we are using for Danbury have been provided by the GNIS.<4> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Danbury
    • Danbury is located in Fairfield County (CT)
    • Population from the 2020 Census: 84,317 people
  • Poughkeepsie
    (11 miles [17.7 km] to the northwest)
  • Newburgh
    (16 miles [25.7 km] to the southwest)
  • New Milford
    (12 miles [19.3 km] to the east)
    • Note: The GPS coordinates that we are using for New Milford have been provided by the GNIS.<4> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for New Milford
    • New Milford is located in Litchfield County (CT)
    • Population from the 2020 Census: 26,683 people
  • Beacon
    (14 miles [22.5 km] to the southwest)
  • New Fairfield
    (15 miles [24.1 km] to the southeast)
    • Note: The GPS coordinates that we are using for New Fairfield have been provided by the GNIS.<4> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for New Fairfield
    • New Fairfield is located in Fairfield County (CT)
    • Population from the 2020 Census: 13,792 people
  • Wappingers Falls
    (9 miles [14.5 km] to the west)
    • Note: The GPS coordinates that we are using for Wappingers Falls have been provided by the GNIS.<4> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Wappingers Falls
    • Wappingers Falls is located in Dutchess County
    • Population from the 2020 Census: 5,509 people
    • Jump to TripAdvisor's Tourism page for Wappingers Falls <5>
  • Sherman
    (12 miles [19.3 km] to the east)
    • Note: The GPS coordinates that we are using for Sherman have been provided by the GNIS.<4> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Sherman
    • Sherman is located in Fairfield County (CT)
    • Population from the 2020 Census: 3,610 people
  • Cornwall-on-Hudson
    (18 miles [29 km] to the southwest)
    • Note: The GPS coordinates that we are using for Cornwall-on-Hudson came from an uncertain source and they still need to be verified:<6>
    • Jump to our Gazetteer entry for Cornwall-on-Hudson
    • Cornwall-on-Hudson is located in Greene County
  • Cornwall-on-Hudson
    (18 miles [29 km] to the southwest)

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 Sylvan Lake. Our list includes the location of those cemeteries and we provide an overhead view. See our Cemetery List for Sylvan Lake.

Using the information from an 1895 Atlas, we've created a list of communities that were in the area of Sylvan Lake. 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 Sylvan Lake.

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

TripAdvisor Tourism Pages for Sylvan Lake ...

Looking for more information about Sylvan Lake? 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.

While we are unaware of a Tourism page that is specific to Sylvan Lake, there are neighboring communities that do have Tourism pages. A map of those communities can be found with our TripAdvisor Page for Sylvan Lake.

Adding Sylvan Lake to Our Gazetteer ...

We originally found mention of Sylvan Lake 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 Sylvan Lake was in the document titled List of Post Offices from Cameron Blevins and Richard Helbock.<8>

X2X - From that list, the Sylvan Lake post office opened in 1870.

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

For more details, see References and Mentions for Sylvan Lake.

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

The official website for Dutchess County: www.dutchessny.gov/

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

Footnotes ...

<1>If you're interested in how the shape of New York's counties, including Dutchess, have changed over time, we recommend the Atlas of Historical County Boundaries.
<2>The elevation is an estimate for the area around Sylvan Lake - it will be higher in some places and lower in others.
<3>When there's a risk of an area code running out of phone numbers, an 'Overlay Area Code' is created that has the same geographic boundaries as the existing area code. In this case, the 845 code has been Overlayed with the 329 area code. New phone numbers in the Sylvan Lake area will be assigned with one of these codes: 845 or 329. As a result, placing a call in the Sylvan Lake area will require 10-digit dialing (where you enter both the area code and then the phone number).
<4>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.
<5>While we're fans and frequent users of TripAdvisor, you should know that we're also members of the TripAdvisor affiliate program.
<6>If we found a location and have questions about the accuracy of our information, we will simply say that the marker is 'in the vicinity'. We are not confident about the location and the position of our marker is only a rough guide. If we have too many doubts about the location, we will not include it in our database.
<7>An 'estimated' location is one where we have been given GPS coordinates, but are unable to verify the accuracy of those coordinates. That said, we have some confidence that we have placed the marker near the actual location. A typical reason for being unable to verify a location is that it might be on private property or maybe historic and gone without an obvious trace.
<8>A copy of their list with background information can be found at:

      https://cblevins.github.io/us-post-offices/data-biography/




 

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This page was last modified/updated: 29 Apr 2025