Net County-to-County Migration Flow (5-year estimate) for Mariposa County, CA was 7.00000 Persons in January of 2020, according to the United States Federal Reserve. Historically, Net County-to-County Migration Flow (5-year estimate) for Mariposa County, CA reached a record high of 329.00000 in January of 2013 and a record low of -151.00000 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 Mariposa County, CA - last updated from the United States Federal Reserve on April of 2026.