Resident Population in Federal Reserve District 7: Chicago was 35358.56500 Thous. of Persons in January of 2024, according to the United States Federal Reserve. Historically, Resident Population in Federal Reserve District 7: Chicago reached a record high of 35358.56500 in January of 2024 and a record low of 29321.26800 in January of 1970. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Federal Reserve District 7: Chicago - last updated from the United States Federal Reserve on April of 2026.