Barrington Hills Cook CountyKane CountyLake CountyMcHenry CountyIllinois www.barringtonhills-il.gov Map Population 4,152 (2020)Type VillageArea 26.99 sq mi (69.91 km²), 0.62 sq mi waterGovernment VILLAGE OF BARRINGTON HILLSGovernment office 112 ALGONQUIN RD, BARRINGTON, IL 60010