Resident Population in Alcorn County, MS was 34.13500 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Resident Population in Alcorn County, MS reached a record high of 37.30200 in January of 2015 and a record low of 27.17900 in January of 1970. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Alcorn County, MS - last updated from the United States Federal Reserve on May of 2024.