Knollwood is located in Texas. Knollwood, Texas has a population of 416. Knollwood is less family-centric than the surrounding county with 14.47% of the households containing married families with children. The county average for households married with children is 31.12%.
The median household income in Knollwood, Texas is $37,500. The median household income for the surrounding county is $62,078 compared to the national median of $69,021. The median age of people living in Knollwood is 39.8 years.
The average high temperature in July is 92.6 degrees, with an average low temperature in January of 32.1 degrees. The average rainfall is approximately 42.2 inches per year, with 1.3 inches of snow per year.