About the town » Winnetka, Cook County, Illinois, United States

Winnetka is an affluent North Shore village located approximately 16 miles north of downtown Chicago in Cook County, Illinois. As of the 2010 census it had a population of 12,187. Winnetka was featured on the list of America's 25 top-earning towns by CNN Money in 2011. The area is one of the most exclusive and wealthy suburbs in the nation. According to Business Week, it is among the top 15 richest zip codes in America.