Walnut Creek Real EstateWalnut Creek is located in California. Walnut Creek, California has a population of 68,516. Walnut Creek is less family-centric than the surrounding county with 30.23% of the households containing married families with children. The county average for households married with children is 36.26%. The median household income in Walnut Creek, California is $86,845. The median household income for the surrounding county is $88,456 compared to the national median of $57,652. The median age of people living in Walnut Creek is 48.6 years. Walnut Creek WeatherThe average high temperature in July is 85.5 degrees, with an average low temperature in January of 40.3 degrees. The average rainfall is approximately 21.1 inches per year, with 0.7 inches of snow per year. Walnut Creek MapReal estate near Walnut CreekNearby CitiesNearby Cities Homes for SaleWalnut Creek Zip Codes |