Population Estimate, Total, Not Hispanic or Latino, White Alone (5-year estimate) in Carter County, MT was 1242.00000 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 Carter County, MT reached a record high of 1297.00000 in January of 2021 and a record low of 1193.00000 in January of 2014. 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 Carter County, MT - last updated from the United States Federal Reserve on May of 2024.