Population Estimate, Total, Not Hispanic or Latino, Black or African American Alone (5-year estimate) in Mendocino County, CA was 557.00000 Persons in January of 2022, according to the United States Federal Reserve. Historically, Population Estimate, Total, Not Hispanic or Latino, Black or African American Alone (5-year estimate) in Mendocino County, CA reached a record high of 737.00000 in January of 2011 and a record low of 424.00000 in January of 2020. 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 Mendocino County, CA - last updated from the United States Federal Reserve on May of 2024.