Net County-to-County Migration Flow (5-year estimate) for Boundary County, ID was 423.00000 Persons in January of 2020, according to the United States Federal Reserve. Historically, Net County-to-County Migration Flow (5-year estimate) for Boundary County, ID reached a record high of 469.00000 in January of 2018 and a record low of -254.00000 in January of 2011. 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 Boundary County, ID - last updated from the United States Federal Reserve on May of 2024.