Walnut Grove is located in California. Walnut Grove, California has a population of 1,143. Walnut Grove is less family-centric than the surrounding county with 24.31% of the households containing married families with children. The county average for households married with children is 33.01%.
The median household income in Walnut Grove, California is $56,833. The median household income for the surrounding county is $76,422 compared to the national median of $69,021. The median age of people living in Walnut Grove is 33.1 years.
The average high temperature in July is 92.5 degrees, with an average low temperature in January of 38.4 degrees. The average rainfall is approximately 18.5 inches per year, with 0 inches of snow per year.