Net County-to-County Migration Flow (5-year estimate) for Barnstable County, MA was -1740.00000 Persons in January of 2020, according to the United States Federal Reserve. Historically, Net County-to-County Migration Flow (5-year estimate) for Barnstable County, MA reached a record high of -736.00000 in January of 2013 and a record low of -2826.00000 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 Barnstable County, MA - last updated from the United States Federal Reserve on May of 2024.