Net County-to-County Migration Flow (5-year estimate) for St. Lucie County, FL was 6727.00000 Persons in January of 2020, according to the United States Federal Reserve. Historically, Net County-to-County Migration Flow (5-year estimate) for St. Lucie County, FL reached a record high of 8917.00000 in January of 2019 and a record low of 3166.00000 in January of 2014. 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 St. Lucie County, FL - last updated from the United States Federal Reserve on May of 2024.