Resident Population in Norfolk County, MA was 740.75400 Thous. of Persons in January of 2024, according to the United States Federal Reserve. Historically, Resident Population in Norfolk County, MA reached a record high of 740.75400 in January of 2024 and a record low of 603.30000 in January of 1971. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Norfolk County, MA - last updated from the United States Federal Reserve on April of 2026.