San Antonio, TX - Resident Population in San Antonio-New Braunfels, TX (MSA) was 2763.00600 Thous. of Persons in January of 2024, according to the United States Federal Reserve. Historically, San Antonio, TX - Resident Population in San Antonio-New Braunfels, TX (MSA) reached a record high of 2763.00600 in January of 2024 and a record low of 1719.26200 in January of 2000. Trading Economics provides the current actual value, an historical data chart and related indicators for San Antonio, TX - Resident Population in San Antonio-New Braunfels, TX (MSA) - last updated from the United States Federal Reserve on April of 2026.