Unemployment Rate in Yellowstone County, MT was 2.80% in March of 2024, according to the United States Federal Reserve. Historically, Unemployment Rate in Yellowstone County, MT reached a record high of 11.10 in April of 2020 and a record low of 1.90 in September of 2022. Trading Economics provides the current actual value, an historical data chart and related indicators for Unemployment Rate in Yellowstone County, MT - last updated from the United States Federal Reserve on May of 2024.