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demographics

We recruit from Chicago and the suburbs. The following demographics and zip code list is based on Cook, Will, Lake and DuPage counties, from which we are able to recruit to our downtown facility.

City of Chicago, Cook, Will, Lake and DuPage Suburbs Source: 2000 U.S. Census

Population	7,218,947
Median Age	33.4 years
Median Household Income	$50,519
Population by Ethnicity	White	69.3%
	African-American	19.9%
	Hispanic	13.7%
	Asian	4.6%
	Other	6.2%

zip codes

Our zip code list is formatted in Microsoft Excel and is available for download. You may download a compressed copy for use with your own database program by clicking on the button below.

download zip codes

• PDF file
• Excel file