There have been 1,229 residents in their thirties in the county who had been tested, meaning that five percent of those tested have the coronavirus. Through September 30, there have been 641 confirmed COVID-19 cases and 38 deaths from the coronavirus in Jefferson 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.
Test results for the past 10 days in Jefferson County
| Date | Total Tested | Total Positive | Positive % |
|---|---|---|---|
| September 30 | 9,794 | 641 | 6.5 |
| September 29 | 9,752 | 624 | 6.4 |
| September 28 | 9,665 | 620 | 6.4 |
| September 27 | 9,598 | 611 | 6.4 |
| September 26 | 9,497 | 600 | 6.3 |
| September 25 | 9,381 | 587 | 6.3 |
| September 24 | 9,289 | 584 | 6.3 |
| September 23 | 9,110 | 572 | 6.3 |
| September 22 | 9,087 | 564 | 6.2 |
| September 21 | 9,028 | 564 | 6.2 |
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