Rubuta ci gaba don wannan sakin layi - A 1850, San Antonio ya zama birni mafi girma a Texas tare da mutane 8,235, yana jagorantar daga Galveston. An ƙarfafa ta da gina layin dogo na farko a shekara ta 1877, da kuma mummunar guguwa da ta afka wa Galveston
, San Antonio ya sake zama birni mafi girma a jihar a 1900. Ya kasance a saman wuri har zuwa 1930, lokacin da Dallas da Houston suka wuce Alamo City. Ya haɗu da birnin zuwa manyan kasuwanni da kuma "ƙarin" al'ummar Amurka.