Resident Population in Columbia County, AR was 22.02400 Thous. of Persons in January of 2024, according to the United States Federal Reserve. Historically, Resident Population in Columbia County, AR reached a record high of 27.01900 in January of 1983 and a record low of 22.02400 in January of 2024. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Columbia County, AR - last updated from the United States Federal Reserve on April of 2026.