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is a city in Dallas County, Texas (USA). As of the 2000 U.S. Census, the city's population was 37,646 (though a 2005 estimate placed the population at 45,514).
DeSoto is a suburb of Dallas and is part of the Best Southwest area, which includes DeSoto, Cedar Hill, Duncanville, and Lancaster.
According to the United States Census Bureau, the city has a total area of 21.6 square miles (55.9 km²), all of it land.