Percent of Population Below the Poverty Level (5-year estimate) in Blaine County, MT was 20.20% in January of 2022, according to the United States Federal Reserve. Historically, Percent of Population Below the Poverty Level (5-year estimate) in Blaine County, MT reached a record high of 32.70 in January of 2017 and a record low of 20.20 in January of 2022. Trading Economics provides the current actual value, an historical data chart and related indicators for Percent of Population Below the Poverty Level (5-year estimate) in Blaine County, MT - last updated from the United States Federal Reserve on May of 2024.