Population Estimate, Total, Not Hispanic or Latino, Black or African American Alone (5-year estimate) in Rosebud County, MT was 10.00000 Persons in January of 2022, according to the United States Federal Reserve. Historically, Population Estimate, Total, Not Hispanic or Latino, Black or African American Alone (5-year estimate) in Rosebud County, MT reached a record high of 78.00000 in January of 2010 and a record low of 8.00000 in January of 2017. Trading Economics provides the current actual value, an historical data chart and related indicators for Population Estimate, Total, Not Hispanic or Latino, Black or African American Alone (5-year estimate) in Rosebud County, MT - last updated from the United States Federal Reserve on June of 2024.