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Welcome to Round Rock ...

The city of Round Rock is located in Hill Country.

Round Rock is primarily located in Williamson County<1>. A portion of Round Rock extends into Travis County.



The community of Round Rock was established in 1851.

From the  Census Estimates for 2019, Round Rock has a population of 133,579 people<2> (see below for details).

Round Rock is 720 feet [219 m] above sea level.<3>.

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

Round Rock is within the (512) area code.

The ZIP codes for Round Rock: 78664, 78680 78683<4>

Websites for Round Rock ...

Official Website:   www.ci.round-rock.tx.us/

Chamber of Commerce:   www.roundrockchamber.org/

Population Details ...

Taken from the 2019 Census Estimates, Round Rock had an population of 133,579 people. This is an increase of 33.73% since the 2010 Census (or an increase of 118.49% since the 2000 Census).

At the time of the 2010 Census, Round Rock had a population of 99,887 people (or 23.63% of the total population of Williamson County). This makes Round Rock the county's most populous community.

The population of Round Rock represents 0.4% of the population of Texas (which has 25,145,561 people), making it the state's 31st most populous community.

With a 2010 count of 99,887 people, the population of Round Rock increased 63.38% from the 2000 Census (which had a count of 61,136 people).

More information can be found on the Census Page for Round Rock.

Communities Also Named Round Rock ...

Using our Gazetteer, we found that there are 2 communities that are also named Round Rock - they are located in Arizona and Tennessee.

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

Communities near Round Rock ...

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

  • Austin
    (17 miles [27.4 km] to the south)
  • Georgetown
    (8 miles [12.9 km] to the north)
  • Cedar Park
    (8 miles [12.9 km] to the west)
    • Note: The GPS coordinates that we are using for Cedar Park have been provided by the GNIS.<6> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Cedar Park
    • Cedar Park is located in Williamson County
    • Population from the 2020 Census: 81,040 people
    • Jump to TripAdvisor's Tourism page for Cedar Park <5>
  • Leander
    (11 miles [17.7 km] to the west)
    • Note: The GPS coordinates that we are using for Leander have been provided by the GNIS.<6> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Leander
    • Leander is located in Williamson County
    • Population from the 2020 Census: 70,519 people
    • Jump to TripAdvisor's Tourism page for Leander <5>
  • Pflugerville
    (6 miles [9.7 km] to the southeast)
    • Note: The GPS coordinates that we are using for Pflugerville have been provided by the GNIS.<6> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Pflugerville
    • Pflugerville is located in Travis County
    • Population from the 2020 Census: 66,826 people
    • Jump to TripAdvisor's Tourism page for Pflugerville <5>
  • Hutto
    (7 miles [11.3 km] to the east)
    • Note: The GPS coordinates that we are using for Hutto have been provided by the GNIS.<6> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Hutto
    • Hutto is located in Williamson County
    • Population from the 2020 Census: 29,987 people
    • Jump to TripAdvisor's Tourism page for Hutto <5>
  • Taylor
    (16 miles [25.7 km] to the east)
    • Jump to our Gazetteer entry for Taylor
    • Taylor is located in Williamson County
    • Population from the 2020 Census: 17,921 people
    • Jump to TripAdvisor's Tourism page for Taylor <5>
  • Manor
    (14 miles [22.5 km] to the southeast)
    • Note: The GPS coordinates that we are using for Manor have been provided by the GNIS.<6> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Manor
    • Manor is located in Travis County
    • Population from the 2020 Census: 15,767 people
    • Jump to TripAdvisor's Tourism page for Manor <5>
  • Lago Vista
    (18 miles [29 km] to the west)
  • Liberty Hill
    (17 miles [27.4 km] to the northwest)
    • Note: The GPS coordinates that we are using for Liberty Hill have been provided by the GNIS.<6> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Liberty Hill
    • Liberty Hill is located in Williamson County
    • Population from the 2020 Census: 3,549 people
    • Jump to TripAdvisor's Tourism page for Liberty Hill <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 Round Rock. Our list includes the location of those cemeteries and we provide an overhead view. See our Cemetery List for Round Rock.

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

We also have a detailed list of newspapers that have been published in the area around Round Rock. Our list includes 6 papers. See our Newspapers Page for Round Rock.

TripAdvisor Tourism Pages for Round Rock ...

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

Adding Round Rock to Our Gazetteer ...

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

From that list, the Round Rock post office opened in 1854.

We also found Round Rock in the book titled List of Post Offices in the United States (1870).

For more details, see References and Mentions for Round Rock.

The official website for Round Rock: www.ci.round-rock.tx.us/

The official website for Williamson County: www.wilco.org/

The official website for State of Texas: https://texas.gov/

Footnotes ...

<1>If you're interested in how the shape of Texas' counties, including Williamson, 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 Round Rock.
<3>The elevation is an estimate for the area around Round Rock - 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 Round Rock). When looking for a ZIP Code, whether Round Rock 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:

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









 

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This page was last modified/updated: 10 Mar 2024