San Antonio Population 2020
San Antonio's 2020 population is now estimated at 2,320,137. In 1950, the population of San Antonio was 453,532. San Antonio has grown by 282,460 since 2015, which represents a 2.63% annual change. These population estimates and projections come from the latest revision of the UN World Urbanization Prospects. These estimates represent the Urban agglomeration of San Antonio, which typically includes San Antonio's population in addition to adjacent suburban areas.