<Tr> <Td> 1890--1900 </Td> <Td> Dallas </Td> </Tr> <Tr> <Td> 1900--1930 </Td> <Td> San Antonio </Td> </Tr> <Tr> <Td> 1930--present </Td> <Td> Houston </Td> </Tr> <P> The state has three cities with populations exceeding one million: Houston, San Antonio, and Dallas . These three rank among the 10 most populous cities of the United States . As of 2010, six Texas cities had populations greater than 600,000 people . Austin, Fort Worth, and El Paso are among the 20 largest U.S. cities . Texas has four metropolitan areas with populations greater than a million: Dallas--Fort Worth--Arlington, Houston--Sugar Land--Baytown, San Antonio--New Braunfels, and Austin--Round Rock--San Marcos . The Dallas--Fort Worth and Houston metropolitan areas number about 6.3 million and 5.7 million residents, respectively . </P>

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