San Antonio Texas Population 2024.  — san antonio population in 2024 is estimated as 1.47 million, the second most populous city in texas, san antonio was named by a 1691 spanish expedition for the portuguese priest saint anthony of padua, whose feast day is june 13.  — this past july, data from the 988 lifeline’s online database show texas’ answer rate as 81%.

Updated 4:03 pm pdt, august 28, 2024. The exact population of san antonio, texas as of august 2024 is estimated at 1,434,625 residents.