Resident Population in Muskogee County, OK was 66.67700 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Resident Population in Muskogee County, OK reached a record high of 71.52100 in January of 2009 and a record low of 59.54200 in January of 1970. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Muskogee County, OK - last updated from the United States Federal Reserve on May of 2024.