Unemployment Rate in Prairie County, MT was 3.10% in February of 2024, according to the United States Federal Reserve. Historically, Unemployment Rate in Prairie County, MT reached a record high of 10.10 in March of 1998 and a record low of 1.30 in August of 1991. Trading Economics provides the current actual value, an historical data chart and related indicators for Unemployment Rate in Prairie County, MT - last updated from the United States Federal Reserve on May of 2024.