Population Estimate, Total, Not Hispanic or Latino, Black or African American Alone (5-year estimate) in Suffolk County, NY was 107348.00000 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 Suffolk County, NY reached a record high of 108361.00000 in January of 2017 and a record low of 102867.00000 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 Suffolk County, NY - last updated from the United States Federal Reserve on June of 2024.