As of Feb. 16, there have been 9,125 St. Clair County residents in their 40s who have tested positive for COVID-19, according to numbers being reported to the Illinois Department of Public Health.
There have been 113,842 residents in their 40s in the county who had been tested, meaning that eight percent of those tested have the coronavirus. Through Feb. 16, there have been 62,640 confirmed COVID-19 cases and 708 deaths from the coronavirus in St. Clair County.
Illinois was home to some of the first reported COVID-19 cases in the US. It has suffered numerous waves of the pandemic, which peaked in the fall of 2020. As the Midwestern hub of the US, Illinois businesses suffered greatly, including layoffs at two major airlines based in the state.
| Date | Total Tested | Total Positive | Positive % |
|---|---|---|---|
| February 16 | 803,081 | 62,640 | 7.8 |
| February 15 | 801,738 | 62,573 | 7.8 |
| February 14 | 800,587 | 62,542 | 7.8 |
| February 10 | 792,056 | 62,296 | 7.9 |
| February 9 | 789,348 | 62,203 | 7.9 |
| February 8 | 788,186 | 62,089 | 7.9 |
| February 7 | 786,706 | 61,962 | 7.9 |



