In 2023, McMullen County, TX had a population of 623 people with a median age of 32.6 and a median household income of $45,833. Between 2022 and 2023 the population of McMullen County, TX declined from 670 to 623, a −7.01% decrease and its median household income declined from $60,313 to $45,833, a −24% decrease.
The 5 largest ethnic groups in McMullen County, TX are White (Non-Hispanic) (44.6%), Two+ (Hispanic) (31.8%), White (Hispanic) (17%), Other (Hispanic) (5.62%), and American Indian & Alaska Native (Non-Hispanic) (0.642%).
None of the households in McMullen County, TX reported speaking a non-English language at home as their primary shared language. This does not consider the potential multi-lingual nature of households, but only the primary self-reported language spoken by all members of the household.
96.5% of the residents in McMullen County, TX are U.S. citizens.
In 2023, the median property value in McMullen County, TX was $108,800, and the homeownership rate was 76.8%.
Most people in McMullen County, TX drove alone to work, and the average commute time was 27.2 minutes. The average car ownership in McMullen County, TX was 2 cars per household.
McMullen County, TX borders Atascosa County, TX, Duval County, TX, La Salle County, TX, Live Oak County, TX, and Webb County, TX.