Fig. 5.
Case-Fatality Ratio, Population/mi2, Median Household Income, and Unemployment Rate in Chicago, Illinois. A total of 26 zip codes were included. The average CFR was 3.2% and ranged from 2.0% to 6.5%. The population/mi2 ranged from 4,069–34,229, with an average of 14,823 population/mi2. Additionally, the average median household income and unemployment rate was $53,259 (Range: $22,158-$117,138) and 11.0% (Range: 2.5%–27.2%), respectively.