Resident Population in McIntosh County, OK was 19.60300 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Resident Population in McIntosh County, OK reached a record high of 20.26700 in January of 2010 and a record low of 12.47200 in January of 1970. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in McIntosh County, OK - last updated from the United States Federal Reserve on May of 2024.