Resident Population in Cumberland County, NC was 337.89000 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Resident Population in Cumberland County, NC reached a record high of 337.89000 in January of 2023 and a record low of 212.04200 in January of 1970. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Cumberland County, NC - last updated from the United States Federal Reserve on May of 2024.