Resident Population in Lewis County, WV was 16.50000 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Resident Population in Lewis County, WV reached a record high of 19.30000 in January of 1979 and a record low of 15.87700 in January of 2019. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Lewis County, WV - last updated from the United States Federal Reserve on May of 2024.