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A Gazetteer for the United States and Canada
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Welcome to San Antonio ...

The city of San Antonio is located on the South Texas Plains.

San Antonio is primarily located in Bexar County<1> and is the County Seat for Bexar County. A portion of San Antonio extends into Medina County.

The community of San Antonio was established in 1718.

When the people of San Antonio refer to themselves (known as a demonym), they frequently use San Antonian<2>

From the  Census Estimates for 2019, San Antonio has a population of 1,547,256 people<3> (see below for details).

San Antonio is 710 feet [216 m] above sea level.<4>.

Time Zone: San Antonio lies in the Central Time Zone (CST/CDT) and observes daylight saving time

Area Codes for San Antonio: 210 & 726<5>

The ZIP codes for San Antonio: 78201-78261, 78263-78266, 78268-78270, 78278-78280, 78283-78285, 78288-78289, 78291-78299<6>

Population Details ...

Taken from the 2019 Census Estimates, San Antonio had an population of 1,547,256 people. This is an increase of 16.56% since the 2010 Census (or an increase of 35.17% since the 2000 Census).

At the time of the 2010 Census, San Antonio had a population of 1,327,407 people (or 77.05% of the total population of Bexar County). This makes San Antonio the county's most populous community.

The population of San Antonio represents 5.28% of the population of Texas (which has 25,145,561 people), making it the state's 2nd most populous community.

With a 2010 count of 1,327,407 people, the population of San Antonio increased 15.97% from the 2000 Census (with a count of 1,144,646 people).

More information can be found on the Census Page for San Antonio.

Communities Also Named San Antonio ...

Using our Gazetteer, we found that there are 14 communities that are also named San Antonio - they are located in California (5), Colorado, Florida, Kansas, Missouri, Nevada and New Mexico (4).

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

Websites for San Antonio ...

Official Website:   www.sanantonio.gov/

Junior League:   www.jlsa.org/

Communities near San Antonio ...

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

  • Schertz
    (16 miles [25.7 km] to the northeast)
  • Cibolo
    (18 miles [29 km] to the northeast)
  • Converse
    (12 miles [19.3 km] to the northeast)
  • Universal City
    (14 miles [22.5 km] to the northeast)
  • Live Oak
    (12 miles [19.3 km] to the northeast)
  • Selma
    (16 miles [25.7 km] to the northeast)
  • Leon Valley
    (8 miles [12.9 km] to the northwest)
  • Helotes
    (15 miles [24.1 km] to the northwest)
  • Kirby
    (7 miles [11.3 km] to the east)
  • Windcrest
    (9 miles [14.5 km] to the northeast)
    • Windcrest is located in Bexar County
    • Jump to our Gazetteer entry for Windcrest
    • Population from the 2020 Census: 5,854 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 San Antonio. Our list includes the location of those cemeteries and we provide an overhead view. See our Cemetery List for San Antonio.

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

We also have a detailed list of newspapers that have been published in the area around San Antonio. Our list includes 196 papers. See our Newspapers Page for San Antonio.

TripAdvisor Tourism Pages for San Antonio ...

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

Adding San Antonio to Our Gazetteer ...

We originally found mention of San Antonio 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 (so far) for San Antonio was on a map titled Map of Texas (from Rand McNally, 1911).

For more details, see References and Mentions for San Antonio.

Footnotes ...

<1>If you're interested in how the shape of Texas' counties, including Bexar, have changed over time, we recommend the Atlas of Historical County Boundaries.
<2>A demonym is the name for a resident of a community which is usually derived from (or is related to) the name of that community. In other words, it's how the residents of San Antonio refer to themselves. It's important to note that there aren't any rules for taking a city's name and turning it into a demonym. A demonym is informal and while the majority of San Antonio may use one name, keep in mind that others may use something different.
<3>Population counts have been provided by the U.S. Census Bureau. For more detail, please visit our Census Page for San Antonio.
<4>The elevation is an estimate for the area around San Antonio - it will be higher in some places and lower in others.
<5>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 210 code has been Overlayed with the 726 area code. New phone numbers in the San Antonio area will be assigned with one of these codes: 210 or 726. As a result, placing a call in the San Antonio area will require 10-digit dialing (where you enter both the area code and then the phone number).
<6>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 city (such as San Antonio). When looking for a ZIP Code, whether San Antonio or elsewhere, it's always best to check the website of the United States Postal Service (USPS).

Our list of ZIP Codes for San Antonio includes: 78201, 78202, 78203, 78204, 78205, 78206, 78207, 78208, 78209, 78210, 78211, 78212, 78213, 78214, 78215, 78216, 78217, 78218, 78219, 78220, 78221, 78222, 78223, 78224, 78225, 78226, 78227, 78228, 78229, 78230, 78231, 78232, 78233, 78234, 78235, 78236, 78237, 78238, 78239, 78240, 78241, 78242, 78243, 78244, 78245, 78246, 78247, 78248, 78249, 78250, 78251, 78252, 78253, 78254, 78255, 78256, 78257, 78258, 78259, 78260, 78263, 78264, 78265, 78268, 78269, 78278, 78279, 78283, 78284, 78288, 78291, 78292, 78293, 78294, 78295, 78296, 78297, 78298 & 78299.
<7>While we're fans and frequent users of TripAdvisor, you should know that we're also members of the TripAdvisor affiliate program.