Population Estimate, Total, Not Hispanic or Latino, Black or African American Alone (5-year estimate) in Barnstable County, MA was 6384.00000 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 Barnstable County, MA reached a record high of 6486.00000 in January of 2021 and a record low of 4081.00000 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 Barnstable County, MA - last updated from the United States Federal Reserve on May of 2024.