Resident Population in Nicholas County, WV was 24.16900 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Resident Population in Nicholas County, WV reached a record high of 28.67500 in January of 1982 and a record low of 22.55200 in January of 1970. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Nicholas County, WV - last updated from the United States Federal Reserve on May of 2024.