Resident Population in Newton County, TX was 12.03900 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Resident Population in Newton County, TX reached a record high of 15.04100 in January of 1999 and a record low of 11.40000 in January of 1971. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Newton County, TX - last updated from the United States Federal Reserve on May of 2024.