Lincolnshire is a village in Lake County, Illinois, United States. It is a northern suburb of Chicago. Per the 2020 census, the population was 7,940. Named after Lincolnshire, England, the village was incorporated on August 5, 1957, from the unincorporated Half Day area when land was purchased to build a residential subdivision. The community underwent an aggressive era of expansion from 1983 through the 1990s. The Des Plaines River bisects the village, passing from north to south; Illinois Route 22 also divides the village into two parts, crossing the village from east to west.
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