South Barrington is a residential suburb in Cook County, Illinois, United States, south of Barrington. The population was 4,993 at the 2018 census. South Barrington is a wealthy suburb of Chicago featuring some of the largest homes in Illinois. It is the location of the famous megachurch Willow Creek Community Church, Goebbert's Pumpkin Patch and Farm, and a lifestyle center (shopping center) named The Arboretum of South Barrington.
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