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A Gazetteer for the United States and Canada
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Welcome to Nassau ...

The village of Nassau is located in Rensselaer County<1>.

While we don't have a date for the founding of Nassau, you might consider that their post office opened  in 1810.

From the  Census Estimates for 2019, Nassau has a population of 1,102 people<2> (see below for details).

Nassau is 400 feet [122 m] above sea level.<3>.

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

Area Codes for Nassau: 518 & 838<4>

The ZIP code for Nassau: 12123<5>

Population Details ...

Taken from the 2019 Census Estimates, Nassau had an population of 1,102 people. This is a decrease of 2.74% since the 2010 Census (or a decrease of 5.08% since the 2000 Census).

At the time of the 2010 Census, Nassau had a population of 1,133 people. This makes Nassau the county's 19th most populous community.

With a 2010 count of 1,133 people, the population of Nassau decreased 2.41% from the 2000 Census (with a count of 1,161 people).

More information can be found on the Census Page for Nassau.

Communities Also Named Nassau ...

Using our Gazetteer, we found that there are two New York communities named Nassau: This one is located in Rensselaer County and the other is located in Richmond County.

Beyond New York, there are 6 communities that are also named Nassau - they are located in Delaware, Iowa, Minnesota, Missouri and Ontario.

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

Websites for Nassau ...

Chamber of Commerce:   www.renscochamber.com/

Although we don't have any websites that are specific to Nassau, the following might be of interest:

Communities near Nassau ...

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

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

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

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

TripAdvisor Tourism Pages for Nassau ...

Looking for more information about Nassau? 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 Nassau, there are neighboring communities that also have Tourism pages. More information about those communities can be found on our TripAdvisor Page for Nassau.

Adding Nassau to Our Gazetteer ...

We originally found mention of Nassau 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 Nassau was in the document titled List of Post Offices from Cameron Blevins and Richard Helbock.<9>

From that list, the Nassau post office opened in 1810.

We also found Nassau in the book titled U.S. Post Offices (Oct. 1846).

For more details, see References and Mentions for Nassau.

Footnotes ...

<1>If you're interested in how the shape of New York's counties, including Rensselaer, have changed over time, we recommend the Atlas of Historical County Boundaries.
<2>Population counts have been provided by the U.S. Census Bureau. For more detail, please visit our Census Page for Nassau.
<3>The elevation is an estimate for the area around Nassau - it will be higher in some places and lower in others.
<4>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 518 code has been Overlayed with the 838 area code. New phone numbers in the Nassau area will be assigned with one of these codes: 518 or 838. As a result, placing a call in the Nassau area will require 10-digit dialing (where you enter both the area code and then the phone number).
<5>ZIP Codes have been created by the United States Postal Service (USPS) as a way of grouping addresses to make delivery more efficient. The boundaries of the ZIP Code can be changed, re-assigned, eliminated or overlapped with other ZIP Codes. So keep in mind that any given ZIP Code is only 'loosely' associated with a village (such as Nassau). When looking for a ZIP Code, whether Nassau or elsewhere, it's always best to check the website of the United States Postal Service (USPS).
<6>While we're fans and frequent users of TripAdvisor, you should know that we're also members of the TripAdvisor affiliate program.
<7>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.
<8>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.
<9>A copy of their list with background information can be found at:

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