Deerfield is a suburb of Chicago in Lake County, Illinois, United States, approximately 25 miles north of Chicago with a small portion extending into Cook County, Illinois. The population was 18,225 at the 2010 census, a decline of 175 from 2000.
Deerfield is home to the headquarters of Walgreens, Baxter Healthcare, Business Technology Partners, Caterpillar Inc., APAC Customer Services, Fortune Brands Home & Security, Takeda Pharmaceutical Company's US HQ, Consumers Digest, and Mondelēz International. Deerfield is often listed among some of the wealthiest and highest earning places in Illinois and the Midwest. The per capita income of the village is $68,101 and the median household income is $143,729.
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