Net County-to-County Migration Flow (5-year estimate) for Riverside County, CA was 19170.00000 Persons in January of 2020, according to the United States Federal Reserve. Historically, Net County-to-County Migration Flow (5-year estimate) for Riverside County, CA reached a record high of 45993.00000 in January of 2009 and a record low of 17115.00000 in January of 2015. 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 Riverside County, CA - last updated from the United States Federal Reserve on May of 2024.