In 2021, McMullen County, TX had a population of 729 people with a median age of 33.8 and a median household income of $63,056. Between 2020 and 2021 the population of McMullen County, TX grew from 724 to 729, a 0.691% increase and its median household income declined from $67,386 to $63,056, a −6.43% decrease.
The 5 largest ethnic groups in McMullen County, TX are White (Hispanic) (48.3%), White (Non-Hispanic) (35%), Two+ (Hispanic) (12.5%), Other (Hispanic) (3.57%), and American Indian & Alaska Native (Non-Hispanic) (0.686%).
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.
94.7% of the residents in McMullen County, TX are U.S. citizens.
In 2021, the median property value in McMullen County, TX was $89,300, and the homeownership rate was 83.3%.
Most people in McMullen County, TX drove alone to work, and the average commute time was 27.1 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.