As of September 25, there have been 9,892 Cook County residents in their thirties who have tested positive for COVID-19, according to numbers being reported to the Illinois Department of Public Health.
There have been 135,416 residents in their thirties in the county who had been tested, meaning that seven percent of those tested have the coronavirus. Through September 25, there have been 63,508 confirmed COVID-19 cases and 2,250 deaths from the coronavirus in Cook County.
Illinois gathers all of its COVID-19 data from across the state electronically. The reported cases and deaths will fluctuate as additional info is gathered. Chicago was home to one of the first known cases of COVID-19 in the US, as well as it’s transmission.
| Date | Total Tested | Total Positive | Positive % |
|---|---|---|---|
| September 25 | 960,309 | 63,508 | 6.6 |
| September 24 | 949,174 | 63,085 | 6.6 |
| September 23 | 939,525 | 62,634 | 6.7 |
| September 22 | 933,804 | 62,391 | 6.7 |
| September 21 | 927,955 | 62,097 | 6.7 |
| September 20 | 922,703 | 61,847 | 6.7 |
| September 19 | 915,119 | 61,610 | 6.7 |
| September 18 | 895,734 | 61,069 | 6.8 |
| September 17 | 887,546 | 60,751 | 6.8 |
| September 16 | 879,554 | 60,404 | 6.9 |



