Net County-to-County Migration Flow (5-year estimate) for Richland County, SC was 20431.00000 Persons in January of 2020, according to the United States Federal Reserve. Historically, Net County-to-County Migration Flow (5-year estimate) for Richland County, SC reached a record high of 21794.00000 in January of 2010 and a record low of 15284.00000 in January of 2013. 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 Richland County, SC - last updated from the United States Federal Reserve on May of 2024.