Berkeley is a village located in Cook County, Illinois, United States. Incorporated in 1924, the population at the 2010 census was 5,209.
Beginning in 1835 the area that was to become Berkeley was home to farmers, most of German and Dutch ancestry. Settling on farms that ranged from 40 to 160 acres, the Dutch tended to be truck farmers, while the Germans did general farming.This small group of farm families established a one-room school called Sunnyside in 1848. Now housed in a larger and newer building, Sunnyside Elementary School still operates today. Subdivision in 1908 and again in 1914–1915 brought residential construction and new residents, many of whom were English, to the area. At the initiative of these newcomers, the village of Berkeley incorporated in 1924.