Austin County Demographics

A map of Austin County's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	18,821	18,480	60.4%	61.3%
Hispanic	8,661	8,052	27.8%	26.7%
Black	2,460	2,352	7.9%	7.8%
Multiracial	813	889	2.6%	2.9%
Asian	256	201	0.8%	0.7%
Native American/Other	159	193	0.5%	0.6%

Austin County, Texas has an estimated population of 31,170, an increase from the 30,167 recorded in the 2020 Census. The population is 60.4% White, 27.8% Hispanic, 7.9% Black, 2.6% Multiracial, 0.8% Asian, and 0.5% Native American/Other. This demographic dot map shows the population of Austin County, with one dot drawn for each person counted by the Census, color-coded by race.

Austin is about as racially diverse as it was in the 2020 Census. It is considerably less 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 Austin County, that probability was 54.6% in 2020 and 55.1% in the most recent ACS estimates.

Austin County is ranked the 93rd most populous county in Texas, out of 254 counties. Austin County was ranked the 94th most populous county in the 2020 Census.

Austin County's White Population

18,821 residents of Austin County, or 60.4% of the population, identify as White. The share of White residents in Austin County is significantly higher than in Texas overall, where 39.1% of the population is White. Austin County ranks 111th statewide in terms of White residents as a share of the population, out of 254 counties.

Since the 2020 Census, Austin County's White population has grown by an estimated 1.8%. White residents' share of Austin County's population has decreased from 61.3% to 60.4%.

Austin County is more White than neighboring Waller County (38.1% White), Colorado County (53.2% White), Wharton County (43.3% White), and Fort Bend County (28.7% White). Austin County is less White than neighboring Washington County (61.4% White).

Austin County's Black Population

2,460 residents of Austin County, or 7.9% of the population, identify as Black. The share of Black residents in Austin County is slightly lower than in Texas overall, where 11.9% of the population is Black. Austin County ranks 67th statewide in terms of Black residents as a share of the population, out of 254 counties.

Since the 2020 Census, Austin County's Black population has grown by an estimated 4.6%. Black residents' share of Austin County's population has remained roughly unchanged at 7.9%.

Austin County is less Black than neighboring Waller County (23.4% Black), Washington County (14.2% Black), Colorado County (9.7% Black), Wharton County (10.9% Black), and Fort Bend County (20.6% Black).

Austin County's Asian Population

256 residents of Austin County, or 0.8% of the population, identify as Asian. The share of Asian residents in Austin County is slightly lower than in Texas overall, where 5.5% of the population is Asian. Austin County ranks 100th statewide in terms of Asian residents as a share of the population, out of 254 counties.

Since the 2020 Census, Austin County's Asian population has grown by an estimated 27.4%. Asian residents' share of Austin County's population has remained roughly unchanged at 0.8%.

Austin County is more Asian than neighboring Colorado County (0.7% Asian), and Wharton County (0.5% Asian). Austin County is less Asian than neighboring Waller County (2% Asian), Washington County (1.4% Asian), and Fort Bend County (21.9% Asian).

Austin County's Hispanic Population

8,661 residents of Austin County, or 27.8% of the population, identify as Hispanic. The share of Hispanic residents in Austin County is considerably lower than in Texas overall, where 39.7% of the population is Hispanic. Austin County ranks 127th statewide in terms of Hispanic residents as a share of the population, out of 254 counties.

Since the 2020 Census, Austin County's Hispanic population has grown by an estimated 7.6%. Hispanic residents' share of Austin County's population has increased from 26.7% to 27.8%.

Austin County is more Hispanic than neighboring Washington County (18.5% Hispanic), and Fort Bend County (24.7% Hispanic). Austin County is less Hispanic than neighboring Waller County (33.5% Hispanic), Colorado County (30.5% Hispanic), and Wharton County (42% Hispanic).

Austin County's Native American/Other Population

159 residents of Austin County, or 0.5% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Austin County is comparable to the share in Texas overall, where 0.6% of the population is Native American/Other. Austin County ranks 143rd statewide in terms of Native American/Other residents as a share of the population, out of 254 counties.

Since the 2020 Census, Austin County's Native American/Other population has declined by an estimated 17.6%. Native American/Other residents' share of Austin County's population has remained roughly unchanged at 0.5%.

Austin County is more Native American/Other than neighboring Waller County (0.3% Native American/Other), and Wharton County (0.3% Native American/Other). Austin County is less Native American/Other than neighboring Washington County (0.6% Native American/Other), Colorado County (0.6% Native American/Other), and Fort Bend County (0.6% Native American/Other).

Austin County's Multiracial Population

813 residents of Austin County, or 2.6% of the population, identify as Multiracial. The share of Multiracial residents in Austin County is comparable to the share in Texas overall, where 3.1% of the population is Multiracial. Austin County ranks 122nd statewide in terms of Multiracial residents as a share of the population, out of 254 counties.

Since the 2020 Census, Austin County's Multiracial population has declined by an estimated 8.5%. Multiracial residents' share of Austin County's population has remained roughly unchanged at 2.6%.

Austin County is less Multiracial than neighboring Washington County (3.9% Multiracial), Colorado County (5.3% Multiracial), Wharton County (2.9% Multiracial), and Fort Bend County (3.5% 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.