Atascosa County Demographics

A map of Atascosa County's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
Hispanic	33,363	31,178	65.4%	63.7%
White	15,788	16,066	31.0%	32.8%
Multiracial	649	919	1.3%	1.9%
Black	570	340	1.1%	0.7%
Native American/Other	329	308	0.6%	0.6%
Asian	309	170	0.6%	0.3%

Atascosa County, Texas has an estimated population of 51,008, an increase from the 48,981 recorded in the 2020 Census. The population is 65.4% Hispanic, 31.0% White, 1.3% Multiracial, 1.1% Black, 0.6% Asian, and 0.6% Native American/Other. This demographic dot map shows the population of Atascosa County, with one dot drawn for each person counted by the Census, color-coded by race.

Atascosa has become less racially diverse since 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 Atascosa County, that probability was 48.7% in 2020 and 47.6% in the most recent ACS estimates.

Atascosa County is ranked the 71st most populous county in Texas, out of 254 counties. Atascosa County was ranked the 71st most populous county in the 2020 Census.

Atascosa County's White Population

15,788 residents of Atascosa County, or 31.0% of the population, identify as White. The share of White residents in Atascosa County is lower than in Texas overall, where 39.1% of the population is White. Atascosa County ranks 215th statewide in terms of White residents as a share of the population, out of 254 counties.

Since the 2020 Census, Atascosa County's White population has declined by an estimated 1.7%. White residents' share of Atascosa County's population has decreased from 32.8% to 31.0%.

Atascosa County is more White than neighboring Bexar County (26.2% White), and Frio County (14.6% White). Atascosa County is less White than neighboring Wilson County (54.8% White), McMullen County (37.3% White), and Karnes County (34.7% White).

Atascosa County's Black Population

570 residents of Atascosa County, or 1.1% of the population, identify as Black. The share of Black residents in Atascosa County is considerably lower than in Texas overall, where 11.9% of the population is Black. Atascosa County ranks 200th statewide in terms of Black residents as a share of the population, out of 254 counties.

Since the 2020 Census, Atascosa County's Black population has grown by an estimated 67.6%. Black residents' share of Atascosa County's population has remained roughly unchanged at 1.1%.

Atascosa County is more Black than neighboring McMullen County (0% Black). Atascosa County is less Black than neighboring Wilson County (2% Black), Bexar County (7.4% Black), Frio County (5.1% Black), and Karnes County (9.3% Black).

Atascosa County's Asian Population

309 residents of Atascosa County, or 0.6% of the population, identify as Asian. The share of Asian residents in Atascosa County is slightly lower than in Texas overall, where 5.5% of the population is Asian. Atascosa County ranks 182nd statewide in terms of Asian residents as a share of the population, out of 254 counties.

Since the 2020 Census, Atascosa County's Asian population has grown by an estimated 81.8%. Asian residents' share of Atascosa County's population has remained roughly unchanged at 0.6%.

Atascosa County is more Asian than neighboring McMullen County (0% Asian), and Karnes County (0.3% Asian). Atascosa County is less Asian than neighboring Bexar County (3.2% Asian), and Frio County (1.4% Asian).

Atascosa County's Hispanic Population

33,363 residents of Atascosa County, or 65.4% of the population, identify as Hispanic. The share of Hispanic residents in Atascosa County is significantly higher than in Texas overall, where 39.7% of the population is Hispanic. Atascosa County ranks 32nd statewide in terms of Hispanic residents as a share of the population, out of 254 counties.

Since the 2020 Census, Atascosa County's Hispanic population has grown by an estimated 7.0%. Hispanic residents' share of Atascosa County's population has increased from 63.7% to 65.4%.

Atascosa County is more Hispanic than neighboring Wilson County (39.9% Hispanic), McMullen County (62.1% Hispanic), Bexar County (59.7% Hispanic), and Karnes County (53.4% Hispanic). Atascosa County is less Hispanic than neighboring Frio County (77.8% Hispanic).

Atascosa County's Native American/Other Population

329 residents of Atascosa County, or 0.6% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Atascosa County is comparable to the share in Texas overall, where 0.6% of the population is Native American/Other. Atascosa County ranks 147th statewide in terms of Native American/Other residents as a share of the population, out of 254 counties.

Since the 2020 Census, Atascosa County's Native American/Other population has grown by an estimated 6.8%. Native American/Other residents' share of Atascosa County's population has remained roughly unchanged at 0.6%.

Atascosa County is more Native American/Other than neighboring McMullen County (0.4% Native American/Other), Frio County (0.4% Native American/Other), and Karnes County (0.1% Native American/Other). Atascosa County is less Native American/Other than neighboring Wilson County (0.9% Native American/Other), and Bexar County (0.7% Native American/Other).

Atascosa County's Multiracial Population

649 residents of Atascosa County, or 1.3% of the population, identify as Multiracial. The share of Multiracial residents in Atascosa County is comparable to the share in Texas overall, where 3.1% of the population is Multiracial. Atascosa County ranks 196th statewide in terms of Multiracial residents as a share of the population, out of 254 counties.

Since the 2020 Census, Atascosa County's Multiracial population has declined by an estimated 29.4%. Multiracial residents' share of Atascosa County's population has decreased from 1.9% to 1.3%.

Atascosa County is more Multiracial than neighboring McMullen County (0.1% Multiracial), and Frio County (0.7% Multiracial). Atascosa County is less Multiracial than neighboring Wilson County (1.8% Multiracial), Bexar County (2.8% Multiracial), and Karnes County (2.2% 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.