Resident Population in Mississippi was 2943.04500 Thous. of Persons in January of 2024, according to the United States Federal Reserve. Historically, Resident Population in Mississippi reached a record high of 2991.89200 in January of 2014 and a record low of 1553.00000 in January of 1900. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Mississippi - last updated from the United States Federal Reserve on February of 2026.