In 2023, Round Mountain, TX had a population of 95 people with a median age of 51.5 and a median household income of $96,250. Between 2022 and 2023 the population of Round Mountain, TX declined from 104 to 95, a −8.65% decrease and its median household income grew from $69,583 to $96,250, a 38.3% increase.
The 5 largest ethnic groups in Round Mountain, TX are White (Non-Hispanic) (75.8%), Other (Hispanic) (23.2%), Two+ (Non-Hispanic) (1.05%), White (Hispanic) (0%), and Black or African American (Non-Hispanic) (0%).
None of the households in Round Mountain, 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.
100% of the residents in Round Mountain, TX are U.S. citizens.
Most people in Round Mountain, TX drove alone to work, and the average commute time was 16.8 minutes. The average car ownership in Round Mountain, TX was 2 cars per household.