Round Rock, TX Demographics
A map of Round Rock's Population by Race
Round Rock, Texas has an estimated population of 127,786, an increase from the 119,468 recorded in the 2020 Census. The population is 45.9% White, 29.7% Hispanic, 11.0% Black, 8.1% Asian, 4.2% Multiracial, and 1.2% Native American/Other. This demographic dot map shows the population of Round Rock, with one dot drawn for each person counted by the Census, color-coded by race.
Round Rock has become slightly more racially diverse since the 2020 Census. It is slightly more diverse than Texas overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Round Rock, that probability was 67.3% in 2020 and 68.1% in the most recent ACS estimates.
Round Rock is ranked the 29th most populous place in Texas, out of 1,863 places. This ranking is based on the Census definition of a place, which includes incorporated places like cities, towns, and villages, as well as unincorporated census-designated places (CDPs). Round Rock was ranked the 31st most populous place in the 2020 Census.
Round Rock's White Population
58,640 residents of Round Rock, or 45.9% of the population, identify as White. The share of White residents in Round Rock is higher than in Texas overall, where 39.1% of the population is White. Round Rock ranks 1080th statewide in terms of White residents as a share of the population, out of 1,863 places.
Since the 2020 Census, Round Rock's White population has grown by an estimated 4.7%. White residents' share of Round Rock's population has decreased from 46.9% to 45.9%.
Round Rock is more White than neighboring Wells Branch (40.1% White), and Pflugerville (34.5% White). Round Rock is less White than neighboring Brushy Creek (56% White), Hutto (48% White), and Georgetown (66.2% White).
Round Rock's Black Population
14,016 residents of Round Rock, or 11.0% of the population, identify as Black. The share of Black residents in Round Rock is comparable to the share in Texas overall, where 11.9% of the population is Black. Round Rock ranks 352nd statewide in terms of Black residents as a share of the population, out of 1,863 places.
Since the 2020 Census, Round Rock's Black population has grown by an estimated 21.3%. Black residents' share of Round Rock's population has increased from 9.7% to 11.0%.
Round Rock is more Black than neighboring Brushy Creek (6.4% Black), Hutto (10.7% Black), and Georgetown (4.9% Black). Round Rock is less Black than neighboring Wells Branch (14.9% Black), and Pflugerville (17.5% Black).
Round Rock's Asian Population
10,335 residents of Round Rock, or 8.1% of the population, identify as Asian. The share of Asian residents in Round Rock is slightly higher than in Texas overall, where 5.5% of the population is Asian. Round Rock ranks 60th statewide in terms of Asian residents as a share of the population, out of 1,863 places.
Since the 2020 Census, Round Rock's Asian population has grown by an estimated 6.9%. Asian residents' share of Round Rock's population has remained roughly unchanged at 8.1%.
Round Rock is more Asian than neighboring Wells Branch (7.7% Asian), Hutto (2.4% Asian), and Georgetown (3.8% Asian). Round Rock is less Asian than neighboring Brushy Creek (11.6% Asian), and Pflugerville (9.3% Asian).
Round Rock's Hispanic Population
37,907 residents of Round Rock, or 29.7% of the population, identify as Hispanic. The share of Hispanic residents in Round Rock is considerably lower than in Texas overall, where 39.7% of the population is Hispanic. Round Rock ranks 916th statewide in terms of Hispanic residents as a share of the population, out of 1,863 places.
Since the 2020 Census, Round Rock's Hispanic population has grown by an estimated 6.1%. Hispanic residents' share of Round Rock's population has remained roughly unchanged at 29.7%.
Round Rock is more Hispanic than neighboring Brushy Creek (19% Hispanic), and Georgetown (21.3% Hispanic). Round Rock is less Hispanic than neighboring Wells Branch (31.3% Hispanic), Pflugerville (33.5% Hispanic), and Hutto (32.1% Hispanic).
Round Rock's Native American/Other Population
1,505 residents of Round Rock, or 1.2% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Round Rock is comparable to the share in Texas overall, where 0.6% of the population is Native American/Other. Round Rock ranks 428th statewide in terms of Native American/Other residents as a share of the population, out of 1,863 places.
Since the 2020 Census, Round Rock's Native American/Other population has grown by an estimated 25.1%. Native American/Other residents' share of Round Rock's population has remained roughly unchanged at 1.2%.
Round Rock is more Native American/Other than neighboring Brushy Creek (0.3% Native American/Other), Wells Branch (0.5% Native American/Other), Pflugerville (0.7% Native American/Other), Hutto (1.1% Native American/Other), and Georgetown (0.4% Native American/Other).
Round Rock's Multiracial Population
5,383 residents of Round Rock, or 4.2% of the population, identify as Multiracial. The share of Multiracial residents in Round Rock is comparable to the share in Texas overall, where 3.1% of the population is Multiracial. Round Rock ranks 430th statewide in terms of Multiracial residents as a share of the population, out of 1,863 places.
Since the 2020 Census, Round Rock's Multiracial population has grown by an estimated 2.1%. Multiracial residents' share of Round Rock's population has remained roughly unchanged at 4.2%.
Round Rock is more Multiracial than neighboring Georgetown (3.3% Multiracial). Round Rock is less Multiracial than neighboring Brushy Creek (6.6% Multiracial), Wells Branch (5.3% Multiracial), Pflugerville (4.6% Multiracial), and Hutto (5.8% Multiracial).
Sources: Most recent population estimates are from the 2020-2024 American Community Survey 5-Year Estimates. 2020 population counts and map data are from 2020 Census State Redistricting Data. Geographic data are from Census TIGER/Line Shapefiles.