Resident Population in Dunklin County, MO was 27.03200 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Resident Population in Dunklin County, MO reached a record high of 37.70000 in January of 1978 and a record low of 27.03200 in January of 2023. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Dunklin County, MO - last updated from the United States Federal Reserve on May of 2024.