Resident Population in Washakie County, WY was 7.71000 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Resident Population in Washakie County, WY reached a record high of 10.14000 in January of 1982 and a record low of 7.50000 in January of 1971. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Washakie County, WY - last updated from the United States Federal Reserve on June of 2024.