In 2021, Castle Hills, TX had a population of 4.01k people with a median age of 43.4 and a median household income of $93,487. Between 2020 and 2021 the population of Castle Hills, TX declined from 4,459 to 4,007, a −10.1% decrease and its median household income grew from $89,464 to $93,487, a 4.5% increase.
The 5 largest ethnic groups in Castle Hills, TX are White (Non-Hispanic) (45.6%), White (Hispanic) (26.6%), Two+ (Hispanic) (19.6%), Asian (Non-Hispanic) (4.02%), and Other (Hispanic) (2.12%).
None of the households in Castle Hills, 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.
92.9% of the residents in Castle Hills, TX are U.S. citizens.
In 2021, the median property value in Castle Hills, TX was $327,800, and the homeownership rate was 83.4%.
Most people in Castle Hills, TX drove alone to work, and the average commute time was 20 minutes. The average car ownership in Castle Hills, TX was 2 cars per household.