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Welcome to Alamo ...

The city of Alamo is located on the South Texas Plains.

Alamo is located in Hidalgo County<1>.

While we don't have a date for the founding of Alamo, you might consider that their post office opened  in 1919.

From the  Census Estimates for 2019, Alamo has a population of 19,941 people<2> (see below for details).

The community of Alamo is 90 feet [27 m] above sea level.<3>.

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

Alamo is within the (956) area code.

The ZIP code for Alamo: 78516<4>

Websites for Alamo ...

Official Website:

Population Details ...

Taken from the 2019 Census Estimates, Alamo had an population of 19,941 people. This is an increase of 8.65% since the 2010 Census (or an increase of 35.1% since the 2000 Census).

At the time of the 2010 Census, Alamo had a population of 18,353 people. This makes Alamo the county's 7th most populous community.

The population of Alamo represents 0.07% of the total population of Texas (which has 25,145,561 people), making it the state's 133rd most populous community.

With a 2010 count of 18,353 people, the population of Alamo increased 24.34% from the 2000 Census (which had a count of 14,760 people).

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

Communities Also Named Alamo ...

Using our Gazetteer, we found that there are two Texas communities named Alamo: This one is located in Hidalgo County and the other is located in Cass County.

Beyond Texas, there are 20 communities that are also named Alamo - they are located in Arkansas, British Columbia, California, Colorado, Florida, Georgia (2), Indiana, Kansas, Kentucky, Michigan, Montana, Nevada, New Mexico (2), North Dakota, Oklahoma, Tennessee and Wyoming.

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

Communities near Alamo ...

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

  • McAllen
    (6 miles [9.7 km] to the west)
  • Edinburg
    (8 miles [12.9 km] to the north)
  • Mission
    (12 miles [19.3 km] to the west)
  • Weslaco
    (8 miles [12.9 km] to the east)
  • Alton
    (13 miles [20.9 km] to the northwest)
    • Note: The GPS coordinates that we are using for Alton have been provided by the GNIS.<6> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Alton
    • Alton is located in Hidalgo County
    • Population from the 2020 Census: 18,785 people
    • Jump to TripAdvisor's Tourism page for Alton <5>
  • Mercedes
    (13 miles [20.9 km] to the east)
  • Hidalgo
    (10 miles [16.1 km] to the southwest)
  • La Feria
    (18 miles [29 km] to the east)
  • Elsa
    (11 miles [17.7 km] to the northeast)
    • Note: The GPS coordinates that we are using for Elsa have been provided by the GNIS.<6> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Elsa
    • Elsa is located in Hidalgo County
    • Population from the 2020 Census: 7,120 people
    • Jump to TripAdvisor's Tourism page for Elsa <5>
  • Progreso
    (11 miles [17.7 km] to the southeast)
    • Note: The GPS coordinates that we are using for Progreso have been provided by the GNIS.<6> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Progreso
    • Progreso is located in Hidalgo County
    • Population from the 2020 Census: 5,979 people
    • Jump to TripAdvisor's Tourism page for Progreso <5>

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

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

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

TripAdvisor Tourism Pages for Alamo ...

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

Adding Alamo to Our Gazetteer ...

We originally found mention of Alamo 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 Alamo was in the document titled List of Post Offices from Cameron Blevins and Richard Helbock.<7>

From that list, the Alamo post office opened in 1919.

We also found Alamo on a map titled Road Map for Texas (from Shell Oil, 1956).

For more details, see References and Mentions for Alamo.

The official website for Alamo:

The official website for Hidalgo County:

The official website for State of Texas:

Footnotes ...

<1>If you're interested in how the shape of Texas' counties, including Hidalgo, 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 Alamo.
<3>The elevation is an estimate for the area around Alamo - it will be higher in some places and lower in others.
<4>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 Alamo). When looking for a ZIP Code, whether Alamo or elsewhere, it's always best to check the website of the United States Postal Service (USPS).
<5>While we're fans and frequent users of TripAdvisor, you should know that we're also members of the TripAdvisor affiliate program.
<6>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.
<7>A copy of their list with background information can be found at:


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This page was last modified/updated: 07 Apr 2024