According to KKTV in Colorado Springs, there is only one county out of the 64 in the state of Colorado that doesn't have any reported COVID-19 cases in its population of nearly 1,400 people. 

Kiowa County, located southeast of Colorado springs, reportedly has no confirmed cases of COVID-19, making it the only county in Colorado that does not appear to have the virus, KKTV said. Kiowa includes the town of Eads, but is a rural area.

Google Maps

In Larimer County, cases are on the rise, but the county is in 'medium risk' category. As of July 21, there are 11 COVID patients in the hospital in Larimer County, and masks are mandatory in the entire state. Weld County has had over 2,100 confirmed cases.

You can see a comparison of Weld County cases and Larimer County cases here.