Net County-to-County Migration Flow (5-year estimate) for Baltimore County, MD was -1498.00000 Persons in January of 2020, according to the United States Federal Reserve. Historically, Net County-to-County Migration Flow (5-year estimate) for Baltimore County, MD reached a record high of 19272.00000 in January of 2009 and a record low of -3641.00000 in January of 2019. 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 Baltimore County, MD - last updated from the United States Federal Reserve on May of 2024.