As of Monday, September 20, 2021, Montana reports 141,339 confirmed COVID-19 cases, with 1,619 new cases of coronavirus infection reported since yesterday: 233 new cases in Missoula County, 159 new cases in Flathead County, 158 new cases in Cascade County, 154 new cases in Gallatin County, 135 new cases in Yellowstone County, 109 new cases in Lake County, and more new cases in 41 more Montana counties. The number of active coronavirus cases in Montana is 9,721. Currently, 358 people are being treated in Montana hospitals for COVID-19. 1,887 people have died in Montana of COVID-19. Ten more deaths have been reported since Friday. Nationwide, more than 676,000 Americans have died of COVID-19. There have been 42,300,000 cases of coronavirus in the US, and counting.