In 2021, Knollwood, TX had a population of 416 people with a median age of 39.8 and a median household income of $37,500. Between 2020 and 2021 the population of Knollwood, TX grew from 405 to 416, a 2.72% increase and its median household income declined from $38,750 to $37,500, a −3.23% decrease.
The 5 largest ethnic groups in Knollwood, TX are White (Non-Hispanic) (78.8%), Two+ (Non-Hispanic) (11.1%), Black or African American (Non-Hispanic) (4.33%), White (Hispanic) (2.88%), and Asian (Non-Hispanic) (2.4%).
None of the households in Knollwood, 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.
99.5% of the residents in Knollwood, TX are U.S. citizens.
In 2020, the median property value in Knollwood, TX was $41,500, and the homeownership rate was 35.9%.
Most people in Knollwood, TX drove alone to work, and the average commute time was 33.6 minutes. The average car ownership in Knollwood, TX was 1 car per household.