Resident Population in La Salle County, TX was 6.53700 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Resident Population in La Salle County, TX reached a record high of 7.63500 in January of 2015 and a record low of 5.01400 in January of 1970. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in La Salle County, TX - last updated from the United States Federal Reserve on May of 2024.