State & Local Coronavirus Summary


As of Monday May 12:   

  • Yellowstone County has 28 new cases, 194 active cases, and 17,363 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 4.13

Age Table 5.12


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

The CDC reports an average of 10,302 cases and 74.1 deaths per 100,000 residents for the state of Montana in the last seven days. The statewide status of cases is summarized in the table below. Montana ranks 26th within a state by state comparison of the number of cases per 100,000 individuals. 

Case Status 5.12