San Antonio Texas Population 2024 By Age. The average age of texans last year was 37,. San antonio has a 2024 population of 1,513,974.

2 other pacific islander alone, or two or more native hawaiian and. San antonio is currently growing at a rate of 1.25% annuallyandits population has increased by5.19% since the most recent census, which recorded a population of 1,439,257 in 2020.