Resident Population in Perry County, MS was 11.40600 Thous. of Persons in January of 2024, according to the United States Federal Reserve. Historically, Resident Population in Perry County, MS reached a record high of 12.23500 in January of 2010 and a record low of 9.06500 in January of 1970. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Perry County, MS - last updated from the United States Federal Reserve on April of 2026.