State & Local Coronavirus Summary


As of Friday, May 27th:   

  • Yellowstone County has 146 new cases this week, 227 active cases, and 43,359 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 34% of cases in Montana. Confirmed cases and deaths can be found in the figures below.case age 5-27case age table 5-27










Need a COVID-19 Test?  RiverStone Health has provided a list of all testing sites within Yellowstone County. You can also order 3 shipments of 4 free at-home tests for your household from the government to be shipped to your home address. Please report all positive at-home tests to RiverStone Health.

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

The CDC reports an average of 118.1 cases 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 44th within a state by state comparison of the number of cases per 100,000 individuals. current case status 5-27