Net County-to-County Migration Flow (5-year estimate) for Buchanan County, IA was 127.00000 Persons in January of 2020, according to the United States Federal Reserve. Historically, Net County-to-County Migration Flow (5-year estimate) for Buchanan County, IA reached a record high of 196.00000 in January of 2009 and a record low of -286.00000 in January of 2017. 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 Buchanan County, IA - last updated from the United States Federal Reserve on May of 2024.