Resident Population in Chariton County, MO was 7.39900 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Resident Population in Chariton County, MO reached a record high of 11.10000 in January of 1975 and a record low of 7.36100 in January of 2021. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Chariton County, MO - last updated from the United States Federal Reserve on May of 2024.