In 2022, McMullen County, TX had a population of 670 people with a median age of 36.5 and a median household income of $60,313. Between 2021 and 2022 the population of McMullen County, TX declined from 729 to 670, a −8.09% decrease and its median household income declined from $63,056 to $60,313, a −4.35% decrease.
The 5 largest ethnic groups in McMullen County, TX are White (Hispanic) (39.4%), White (Non-Hispanic) (38.8%), Two+ (Hispanic) (17.3%), Other (Hispanic) (3.43%), and American Indian & Alaska Native (Non-Hispanic) (0.896%).
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.
95.8% of the residents in McMullen County, TX are U.S. citizens.
In 2022, the median property value in McMullen County, TX was $105,100, and the homeownership rate was 86.1%.
Most people in McMullen County, TX drove alone to work, and the average commute time was 28.4 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.