Net County-to-County Migration Flow (5-year estimate) for Marion County, IN was -11554.00000 Persons in January of 2020, according to the United States Federal Reserve. Historically, Net County-to-County Migration Flow (5-year estimate) for Marion County, IN reached a record high of -3503.00000 in January of 2009 and a record low of -14289.00000 in January of 2018. 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 Marion County, IN - last updated from the United States Federal Reserve on May of 2024.