San Antonio, TX Post Offices

San Antonio, Texas has a population of 1,567,118. According to the 2021 census, the city's 27 post offices serve 497,794 households with a median income of 497,794. The city is located in Bexar County / Comal County / Medina County and has a land area of 1,290,964,117 and a water area of 14,988,134.