As of Dec. 27, there have been 1,579 Grundy 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 17,387 residents in their thirties in the county who had been tested, meaning that 9.1 percent of those tested have the coronavirus. Through Dec. 27, there have been 9,480 confirmed COVID-19 cases and 99 deaths from the coronavirus in Grundy 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 % |
|---|---|---|---|
| December 27 | 123,286 | 9,480 | 7.7 |
| December 23 | 122,115 | 9,298 | 7.6 |
| December 22 | 121,608 | 9,223 | 7.6 |
| December 21 | 120,978 | 9,168 | 7.6 |
| December 20 | 120,595 | 9,121 | 7.6 |



