Resident Population in Wayne County, MS was 19.70300 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Resident Population in Wayne County, MS reached a record high of 21.31500 in January of 2000 and a record low of 16.50000 in January of 1971. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Wayne County, MS - last updated from the United States Federal Reserve on May of 2024.