middle atlantic census division - Resident Population in the Middle Atlantic Census Division was 42610.07400 Thous. of Persons in January of 2025, according to the United States Federal Reserve. Historically, middle atlantic census division - Resident Population in the Middle Atlantic Census Division reached a record high of 42610.07400 in January of 2025 and a record low of 15480.00000 in January of 1900. Trading Economics provides the current actual value, an historical data chart and related indicators for middle atlantic census division - Resident Population in the Middle Atlantic Census Division - last updated from the United States Federal Reserve on April of 2026.