Richardson is a city in Dallas and Collin counties in the U.S. state of Texas. As of the 2019 American Community Survey, the city had a total population of 121,323. Richardson is an affluent inner suburb of Dallas. It is home to the University of Texas at Dallas and the Telecom Corridor, with a high concentration of telecommunications companies. More than 5,000 businesses have operations within Richardson's 28 square miles, including many of the world's... Show more

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