Resident Population in Upshur County, WV was 23.52900 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Resident Population in Upshur County, WV reached a record high of 24.75600 in January of 2015 and a record low of 19.09200 in January of 1970. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Upshur County, WV - last updated from the United States Federal Reserve on May of 2024.