While data for Round Rock from the latest US Census confirms that the city continues to grow rapidly, a closer look at the city’s recent census release report reveals other interesting trends in the city’s demographic makeup.

Round Rock’s official population count stood at 119,468 for the 2020 census, an increase of 19.6% from its previously recorded population of 99,887 at the 2010 census.

Like many towns in Texas, Round Rock is increasingly racially diverse; while the number of Round Rock residents who answered that they belonged to only one race has fallen from 96.2% of the total population to 82.9% over the past 10 years, the number of people belonging to two or more races increased from 3.8% to 17.1%. For the 2020 Census, the U.S. Census Bureau made improvements to questions on race and Hispanic origin, also known as ethnicity. Nearly one-third of Round Rock’s population identified as Hispanic or Latino in the 2020 census.

In 2020, adults over the age of 18 make up a larger share of Round Rock’s total population than in 2010. The number of people under the age of 18 has remained constant over the past decade, even as the The city’s population was growing, while the number of people over the age of 18 increased by 19,393.

The City of Round Rock also closely tracks economic and housing indicators to inform planning decisions. Over the past 10 years, 8,621 housing units have been added, which included a greater variety of housing unit types, such as single-family common lots and higher-density multi-family developments. Vacant units fell from 5.8% of total inventory to 5%, demonstrating that the additional units were needed to meet housing demand.

The Department of Planning and Development Services generates monthly population estimates based on housing units, occupancy and household size using the most recent decennial census as a benchmark. For more information, visit the city’s demographic and census information page.