Net County-to-County Migration Flow (5-year estimate) for Dewey County, OK was -280.00000 Persons in January of 2020, according to the United States Federal Reserve. Historically, Net County-to-County Migration Flow (5-year estimate) for Dewey County, OK reached a record high of 171.00000 in January of 2015 and a record low of -281.00000 in January of 2017. Trading Economics provides the current actual value, an historical data chart and related indicators for Net County-to-County Migration Flow (5-year estimate) for Dewey County, OK - last updated from the United States Federal Reserve on May of 2024.