Resident Population in Lake Charles, LA (MSA) was 242.97500 Thous. of Persons in January of 2024, according to the United States Federal Reserve. Historically, Resident Population in Lake Charles, LA (MSA) reached a record high of 254.32900 in January of 2020 and a record low of 190.40100 in January of 2006. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Lake Charles, LA (MSA) - last updated from the United States Federal Reserve on April of 2026.