<Tr> <Th> Summer (DST) </Th> <Td> UTC - 5 (CDT) </Td> </Tr> <Tr> <Th> Interstates </Th> <Td> </Td> </Tr> <P> San Antonio--New Braunfels is an eight - county metropolitan area in the U.S. state of Texas defined by the Office of Management and Budget (OMB). Colloquially referred to as Greater San Antonio, the metropolitan area straddles South Texas and Central Texas and is on the southwestern corner of the Texas Triangle . The official 2017 U.S. Census estimate showed the metropolitan area's population at 2,473,974--up from a reported 1,711,103 in 2000--making it the 24th largest metropolitan area in the United States . Austin--Round Rock lies about 80 miles northeast of Greater San Antonio . </P> <P> San Antonio--New Braunfels is the third - largest metro area in Texas, after Dallas--Fort Worth--Arlington and Houston--The Woodlands--Sugar Land . </P>

How many counties are in san antonio texas
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