In 2018, McMullen County, TX had a population of 662 people with a median age of 40.2 and a median household income of $68,750. Between 2017 and 2018 the population of McMullen County, TX grew from 600 to 662, a 10.3% increase and its median household income declined from $71,389 to $68,750, a -3.7% decrease.
The 5 largest ethnic groups in McMullen County, TX are White (Non-Hispanic) (49.2%), White (Hispanic) (49.2%), Other (Hispanic) (0.906%), American Indian & Alaska Native (Non-Hispanic) (0.604%), and Black or African American (Non-Hispanic) (0%). NaNN% of the people in McMullen County, TX speak a non-English language, and 97.9% are U.S. citizens.
The median property value in McMullen County, TX is $106,600, and the homeownership rate is 73.1%. Most people in McMullen County, TX commute by Drove Alone, and the average commute time is 18.3 minutes. The average car ownership in McMullen County, TX is 2 cars per household.