In 2023, Knollwood, TX had a population of 488 people with a median age of 33.5 and a median household income of $61,250. Between 2022 and 2023 the population of Knollwood, TX declined from 494 to 488, a −1.21% decrease and its median household income grew from $47,000 to $61,250, a 30.3% increase.
The 5 largest ethnic groups in Knollwood, TX are White (Non-Hispanic) (66.6%), Two Races Excluding Other, & Three or More Races (Non-Hispanic) (12.1%), Asian (Non-Hispanic) (6.76%), Two Races Including Other (Hispanic) (5.53%), and Black or African American (Non-Hispanic) (4.92%).
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.
93.6% of the residents in Knollwood, TX are U.S. citizens.
Most people in Knollwood, TX drove alone to work, and the average commute time was 22.8 minutes. The average car ownership in Knollwood, TX was 2 cars per household.