Net County-to-County Migration Flow (5-year estimate) for Mason County, WV was -323.00000 Persons in January of 2020, according to the United States Federal Reserve. Historically, Net County-to-County Migration Flow (5-year estimate) for Mason County, WV reached a record high of 350.00000 in January of 2014 and a record low of -400.00000 in January of 2009. 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 Mason County, WV - last updated from the United States Federal Reserve on May of 2024.