Population Estimate, Total, Not Hispanic or Latino, White Alone (5-year estimate) in Dewey County, OK was 3592.00000 Persons in January of 2022, according to the United States Federal Reserve. Historically, Population Estimate, Total, Not Hispanic or Latino, White Alone (5-year estimate) in Dewey County, OK reached a record high of 4126.00000 in January of 2011 and a record low of 3592.00000 in January of 2022. 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 Dewey County, OK - last updated from the United States Federal Reserve on May of 2024.