Top Places in Illinois That Reported Accelerating COVID-19 Weekly Growth

Enigma Forensics has been busy tracking week to week COVID-19 cases in each Illinois county. We are thankful of our Medical Professionals. Thank you to everyone for all you’ve done to reduce the spread!

Illinois as a state has been trending in the right direction. Only 8 counties reported cases in excess of zero the week before last week and more than 20 cases the last week show weekly growth. These counties should continue to ramp up additional testing availability and contact tracing to keep the state on track as a whole. 9 counties showed a reduction in a week over week reported cases. Click through on the County Name to see the time series chart depicting the daily counts and 7 days trended average.

Download COVID-19 Daily Confirmed Positive Cases

The data depicted above was obtained from the John Hopkins GitHub Repository.

Growth of the outbreak can be seen where the daily blue COVID-19 confirmed cases count exceeds the 7 day trailing daily orange average trend line.

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COVID-Confirmed Positive Cases Week over Week Comparison

Counties with zero cases the week before last week were excluded.

CountyWeek Before Last Week
Total Cases
Last Week
Total Cases
Week Over
Week Percentage Growth
Cass439875.00%
Stephenson1124118.18%
Rock Island414919.51%
Kane25429415.75%
Will21123712.32%
Lake2682939.33%
Madison90911.11%
Cook227322800.31%
Adams0220.00%
Kankakee6259-4.84%
Kendall3431-8.82%
St. Clair166151-9.04%
Winnebago149135-9.40%
Champaign5447-12.96%
DuPage291234-19.59%
DeKalb3928-28.21%
McHenry9665-32.29%
Peoria6342-33.33%
This chart is based on data obtained daily from the Illinois Department of Public Health Website. The source daily counts are available at: https://enigmaforensics.com/covid-19/us/state/Illinois_Cases_Delta_By_Date.csv

Top Zip Codes in Illinois Reporting Week over Week Growth
(COVID-19 Confirmed Cases)

Zip CodeCityWeek Before Last WeekLast WeekWeekly Growth RatePeople / Square MilePopulation
60088Great Lakes634467%6,78015,761
62691Virginia630400%222,426
60076Skokie725257%6,24133,415
60624Chicago – West Garfield Park620233%10,78038,105
60169Hoffman Estates825213%4,40633,847
60706Harwood Heights / Norridge1031210%7,82223,134
61265Moline721200%2,37945,099
60462Orland Park720186%2,46938,723
60089Buffalo Grove1233175%4,25941,533
60104Belwood922144%8,08819,038
Data captured from IDPH website daily. Data as of 6/24/20.

Great Lakes Naval Station is leading as the top Zip code in Illinois experiencing the highest week over week growth rate of new COVID-19 confirmed cases. Click the Zip Code to view the daily and weekly average trends of new cases. In the City of Chicago, West Garfield Park is the hot zone where cases shot up 233% over the previous week.