Resident Population in Augusta County, VA was 78.62200 Thous. of Persons in January of 2024, according to the United States Federal Reserve. Historically, Resident Population in Augusta County, VA reached a record high of 78.62200 in January of 2024 and a record low of 44.22000 in January of 1970. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Augusta County, VA - last updated from the United States Federal Reserve on April of 2026.