Castalian Springs Real EstateCastalian Springs is located in Tennessee. Castalian Springs, Tennessee has a population of 545. Castalian Springs is less family-centric than the surrounding county with 18.31% of the households containing married families with children. The county average for households married with children is 33.28%. The median household income in Castalian Springs, Tennessee is $40,875. The median household income for the surrounding county is $61,584 compared to the national median of $57,652. The median age of people living in Castalian Springs is 43.2 years. Castalian Springs WeatherThe average high temperature in July is 88.5 degrees, with an average low temperature in January of 25.7 degrees. The average rainfall is approximately 51.5 inches per year, with 2.9 inches of snow per year. Castalian Springs MapReal estate near Castalian SpringsNearby CitiesNearby Cities Homes for Sale |