Population Estimate, Total, Not Hispanic or Latino, Black or African American Alone (5-year estimate) in Mariposa County, CA was 154.00000 Persons in January of 2024, according to the United States Federal Reserve. Historically, Population Estimate, Total, Not Hispanic or Latino, Black or African American Alone (5-year estimate) in Mariposa County, CA reached a record high of 266.00000 in January of 2020 and a record low of 99.00000 in January of 2010. Trading Economics provides the current actual value, an historical data chart and related indicators for Population Estimate, Total, Not Hispanic or Latino, Black or African American Alone (5-year estimate) in Mariposa County, CA - last updated from the United States Federal Reserve on April of 2026.