Net County-to-County Migration Flow (5-year estimate) for Allegan County, MI was -2135.00000 Persons in January of 2020, according to the United States Federal Reserve. Historically, Net County-to-County Migration Flow (5-year estimate) for Allegan County, MI reached a record high of -185.00000 in January of 2015 and a record low of -2691.00000 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 Allegan County, MI - last updated from the United States Federal Reserve on May of 2024.