Resident Population in Baltimore City, MD was 569.99700 Thous. of Persons in January of 2025, according to the United States Federal Reserve. Historically, Resident Population in Baltimore City, MD reached a record high of 908.10000 in January of 1971 and a record low of 567.51700 in January of 2023. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Baltimore City, MD - last updated from the United States Federal Reserve on May of 2026.