Resident Population in Hempstead County, AR was 19.34300 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Resident Population in Hempstead County, AR reached a record high of 23.63500 in January of 1980 and a record low of 19.30800 in January of 1970. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Hempstead County, AR - last updated from the United States Federal Reserve on May of 2024.