Population Estimate, Total, Not Hispanic or Latino, White Alone (5-year estimate) in Marshall County, OK was 9933.00000 Persons in January of 2023, according to the United States Federal Reserve. Historically, Population Estimate, Total, Not Hispanic or Latino, White Alone (5-year estimate) in Marshall County, OK reached a record high of 11001.00000 in January of 2011 and a record low of 9735.00000 in January of 2021. Trading Economics provides the current actual value, an historical data chart and related indicators for Population Estimate, Total, Not Hispanic or Latino, White Alone (5-year estimate) in Marshall County, OK - last updated from the United States Federal Reserve on September of 2025.