As of Feb. 23, there have been 436,181 Illinois 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 6,282,517 residents in their 40s in the state who had been tested, meaning that 6.9 percent of those tested have the coronavirus. Through Feb. 23, there have been 3,022,684 confirmed COVID-19 cases and 32,517 deaths from the coronavirus in Illinois.
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 23 | 54,055,396 | 3,022,684 | 5.6 |
| February 22 | 53,968,881 | 3,019,951 | 5.6 |
| February 18 | 53,621,982 | 3,013,709 | 5.6 |
| February 17 | 53,468,470 | 3,010,525 | 5.6 |
| February 16 | 53,294,319 | 3,007,987 | 5.6 |
| February 15 | 53,187,015 | 3,004,664 | 5.6 |
| February 14 | 53,083,826 | 3,001,771 | 5.7 |



