McMullen County Demographics

A map of McMullen County's Population by Race

McMullen County, Texas had a population of 600 in 2020. It was 58.8% White, 0.2% Black, 0.5% Asian, 37.3% Hispanic, 1.0% Native American/Other, and 2.2% Multiracial. This map presents the population of McMullen County, with one dot drawn for each person counted in the 2020 Census, color-coded by race.

McMullen County is the 251st most populous county of the 254 counties in Texas.

McMullen County's White Population

353 residents of McMullen County identify as White, or 58.8%. This makes the White share of the population of McMullen County larger than the White share of the population of Texas (39.7% White). Of the 254 counties in Texas, McMullen County is ranked #122 in terms of White residents as a share of the population.

McMullen County is more White than neighboring Live Oak County (52.7% White), La Salle County (22% White), Atascosa County (32.8% White), Duval County (9.5% White), and Frio County (16.6% White).

McMullen County's Black Population

1 residents of McMullen County identify as Black, or 0.2%. This makes the Black share of the population of McMullen County slightly less than the Black share of the population of Texas (11.8% Black). Of the 254 counties in Texas, McMullen County is ranked #239 in terms of Black residents as a share of the population.

McMullen County is less Black than neighboring Live Oak County (1.8% Black), La Salle County (3.3% Black), Atascosa County (0.7% Black), Duval County (1.5% Black), and Frio County (3.8% Black).

McMullen County's Asian Population

3 residents of McMullen County identify as Asian, or 0.5%. This makes the Asian share of the population of McMullen County roughly similar to the Asian share of the population of Texas (5.4% Asian). Of the 254 counties in Texas, McMullen County is ranked #133 in terms of Asian residents as a share of the population.

McMullen County is more Asian than neighboring Live Oak County (0.3% Asian), La Salle County (0.1% Asian), and Atascosa County (0.3% Asian). McMullen County is less Asian than neighboring Frio County (1.1% Asian).

McMullen County's Hispanic Population

224 residents of McMullen County identify as Hispanic, or 37.3%. This makes the Hispanic share of the population of McMullen County roughly similar to the Hispanic share of the population of Texas (39.3% Hispanic). Of the 254 counties in Texas, McMullen County is ranked #91 in terms of Hispanic residents as a share of the population.

McMullen County is less Hispanic than neighboring Live Oak County (42.3% Hispanic), La Salle County (73.6% Hispanic), Atascosa County (63.7% Hispanic), Duval County (81% Hispanic), and Frio County (77.1% Hispanic).

McMullen County's Native American/Other Population

6 residents of McMullen County identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other, or 1.0%. This makes the Native American/Other share of the population of McMullen County roughly similar to the Native American/Other share of the population of Texas (0.8% Native American/Other). Of the 254 counties in Texas, McMullen County is ranked #33 in terms of Native American/Other residents as a share of the population.

McMullen County is more Native American/Other than neighboring Live Oak County (0.9% Native American/Other), La Salle County (0.1% Native American/Other), Atascosa County (0.6% Native American/Other), Duval County (0.2% Native American/Other), and Frio County (0.8% Native American/Other).

McMullen County's Multiracial Population

13 residents of McMullen County identify as Multiracial, or 2.2%. This makes the Multiracial share of the population of McMullen County roughly similar to the Multiracial share of the population of Texas (3% Multiracial). Of the 254 counties in Texas, McMullen County is ranked #184 in terms of Multiracial residents as a share of the population.

McMullen County is more Multiracial than neighboring Live Oak County (2.1% Multiracial), La Salle County (0.8% Multiracial), Atascosa County (1.9% Multiracial), and Frio County (0.6% Multiracial). McMullen County is less Multiracial than neighboring Duval County (7.3% Multiracial).

Source: 2020 Census State Redistricting Data and Census TIGER/Line Shapefiles.