Population Estimate, Total, Not Hispanic or Latino, Black or African American Alone (5-year estimate) in Baltimore County, MD was 252089.00000 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 Baltimore County, MD reached a record high of 252089.00000 in January of 2022 and a record low of 190762.00000 in January of 2009. 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 Baltimore County, MD - last updated from the United States Federal Reserve on May of 2024.