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County Information



Some of the cities, towns, and places in Rockwall County are Collin, Collin County, Dallas, Dallas County, Denton, Fate, Garland, Heath, Hunt, Kaufman, Kaufman County, McLendon-Chisholm, Mobile City, Rockwall, Rowlett, Royse City, Wylie



Rockwall County is a county in the U.S. state of Texas. At 149 square miles, Rockwall County has the smallest area of any Texas county. As of the 2010 census, its population was 78,337. Its county seat is Rockwall. The county and city are named for a wall-like subterranean rock formation that runs throughout the county. Rockwall County is part of the Dallas-Fort Worth-Arlington metropolitan statistical area. It was one of the top 25 fastest-growing counties in the U.S. in 2010. Rockwall County is listed as the sixth-wealthiest county in Texas. Cities in Rockwall county include Rockwall, Heath, Royse City, Fate, McClendon-Chisholm, Mobile City, and part of Rowlett.