As of Jan. 14, there have been 377,425 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 5,631,944 residents in their 40s in the state who had been tested, meaning that 6.7 percent of those tested have the coronavirus. Through Jan. 14, there have been 2,589,640 confirmed COVID-19 cases and 29,099 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 % |
|---|---|---|---|
| January 14 | 47,949,094 | 2,589,640 | 5.4 |
| January 13 | 47,669,193 | 2,560,001 | 5.4 |
| January 12 | 47,411,987 | 2,522,953 | 5.3 |
| January 11 | 47,174,830 | 2,488,380 | 5.3 |
| January 10 | 46,827,777 | 2,460,270 | 5.3 |
| January 7 | 45,992,122 | 2,382,437 | 5.2 |
| January 6 | 45,758,467 | 2,339,534 | 5.1 |
| January 5 | 45,510,637 | 2,295,445 | 5 |



