Castle Hills Real EstateCastle Hills is located in Texas. Castle Hills, Texas has a population of 4,393. Castle Hills is more family-centric than the surrounding county with 34.42% of the households containing married families with children. The county average for households married with children is 33.51%. The median household income in Castle Hills, Texas is $90,172. The median household income for the surrounding county is $53,999 compared to the national median of $57,652. The median age of people living in Castle Hills is 45.2 years. Castle Hills WeatherThe average high temperature in July is 94.5 degrees, with an average low temperature in January of 40.6 degrees. The average rainfall is approximately 32.5 inches per year, with 0.2 inches of snow per year. Castle Hills MapReal estate near Castle HillsNearby CitiesNearby Cities Homes for Sale |