Resident Population in Anne Arundel County, MD was 594.58200 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Resident Population in Anne Arundel County, MD reached a record high of 594.58200 in January of 2023 and a record low of 298.04200 in January of 1970. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Anne Arundel County, MD - last updated from the United States Federal Reserve on May of 2024.