State & Local Coronavirus Summary


As of Friday July 30:   

  • Yellowstone County has 31 new cases, 185 active cases, and 18,506 total cases of COVID-19 – find data for other counties here
  • Yellowstone County currently accounts for 16% of the total cases in Montana.
  • Persons ages 20-39 are contracting COVID-19 most frequently, comprising 35% of cases in Montana. Confirmed cases and deaths can be found in the figures below.
    Age 714

Age Table 7.30


  1. Montana Case Status
  2. Montana Trendline
  3. COVID-19 in Schools
  4. Congregate Setting Data

The CDC reports an average of 93.6 cases per 100,000 residents for the state of Montana in the last seven days, and the level of community transmission has been deemed substantial. The statewide status of cases is summarized in the table below. Montana ranks 28th within a state by state comparison of the number of cases per 100,000 individuals. 

Case Status 7.30