Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Barrington Hills is a village located about 40 miles (64 km) northwest of Chicago in the U.S. state of Illinois. It straddles approximately 29 square miles (75 km2) over four counties, Cook, Kane, Lake, and McHenry. The population was 4,209 at the 2010 census. The Village of Barrington Hills was incorporated in 1957.The rural-suburban area is part of the greater Barrington area and many affluent residents live there on large estates within commuting distance of Chicago. There is a minimum 5-acre (2.0 ha) zoning restriction on building houses and both farming and horse raising are allowed.