Barrington is an affluent suburban village in Cook County and Lake County, Illinois, United States. The population was 10,327 at the 2010 census. Located approximately 32 miles northwest of Chicago, the area features wetlands, forest preserves, parks, and horse trails in a country-suburban setting.The Barrington area ZIP code, 60010, is the seventh-wealthiest ZIP code in the United States among areas with a population of 20,000 or more.Barrington is part of the Chicago metropolitan area and serves as the hub of activity for the surrounding 90-square-mile region which consists of six independent villages including North Barrington, South Barrington, Barrington Hills, Lake Barrington and Tower Lakes, as well as small portions of Carpentersville, Deer Park, Hoffman Estates, and Inverness.