This flag uses many different elements in it’s design to represent Cook County. The blue on the flag represents Lake Michigan, and the purple represents the county flower, the purple coneflower. The purple on the flag takes up approximately 41 percent of the flag, to represent the fact that 41 percent of Illinois lives in Cook County. The 6 pointed star in the middle represents the 6 regions of cook county, and represents the fact that Cook County is the 6th largest in land area in Illinois. There are many more aspects of this design that could likely be linked to parts of Cook County.