Resident Population in Weston County, WY was 6.80800 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Resident Population in Weston County, WY reached a record high of 7.85300 in January of 1984 and a record low of 6.00000 in January of 1974. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Weston County, WY - last updated from the United States Federal Reserve on May of 2024.