Resident Population in Lynn County, TX was 5.95200 Thous. of Persons in January of 2024, according to the United States Federal Reserve. Historically, Resident Population in Lynn County, TX reached a record high of 9.10700 in January of 1970 and a record low of 5.60600 in January of 2020. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Lynn County, TX - last updated from the United States Federal Reserve on April of 2026.