Winnetka is located in California. Winnetka, California has a population of 45,829. Winnetka is more family-centric than the surrounding county with 33% households with children. The county percentage for households with children is 29%.
The median household income in Winnetka, California is $71,833. The median household income for the surrounding county is $73,262 compared to the national median of $66,222. The median age of people living in Winnetka is 38.5 years.
The average high temperature in July is 95 degrees, with an average low temperature in January of 39.5 degrees. The annual precipitation is 17.79.