Resident Population in Golden Valley County, MT was 0.83500 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Resident Population in Golden Valley County, MT reached a record high of 1.12000 in January of 2005 and a record low of 0.80000 in January of 1971. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Golden Valley County, MT - last updated from the United States Federal Reserve on May of 2024.