Population Estimate, Total, Not Hispanic or Latino, White Alone (5-year estimate) in Powell County, MT was 6145.00000 Persons in January of 2022, according to the United States Federal Reserve. Historically, Population Estimate, Total, Not Hispanic or Latino, White Alone (5-year estimate) in Powell County, MT reached a record high of 6476.00000 in January of 2010 and a record low of 6079.00000 in January of 2020. Trading Economics provides the current actual value, an historical data chart and related indicators for Population Estimate, Total, Not Hispanic or Latino, White Alone (5-year estimate) in Powell County, MT - last updated from the United States Federal Reserve on May of 2024.