Resident Population in Ritchie County, WV was 8.16700 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Resident Population in Ritchie County, WV reached a record high of 11.50300 in January of 1981 and a record low of 8.16700 in January of 2023. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Ritchie County, WV - last updated from the United States Federal Reserve on May of 2024.