Rockwall County, Texas

Rockwall County
Rockwall County
County
	The Rockwall County Courthouse in Rockwall
	Location within the U.S. state of Texas
	Texas's location within the U.S.
	Coordinates: 32°53′N 96°25′W / 32.89°N 96.41°W
Country	United States
State	Texas
Founded	1873
Named for	Rockwall, Texas, named in turn for its clastic dikes
Seat	Rockwall
Largest city	Rockwall
Area
• Total	149 sq mi (390 km2)
• Land	127 sq mi (330 km2)
• Water	22 sq mi (60 km2) 15%
Population (2020)
• Total	107,819
• Density	720/sq mi (280/km2)
Demonym	Rockwallian
Time zone	UTC−6 (Central)
• Summer (DST)	UTC−5 (CDT)
Congressional district	4th
Website	www.rockwallcountytexas.com

Rockwall County is a county in the U.S. state of Texas. At 149 square miles (390 sq km), Rockwall County has the smallest area of any Texas county. Per the 2020 Census, its population was 107,819.^[1] Its county seat is Rockwall.^[2] 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.^[3] 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.

^ "Rockwall County, Texas". United States Census Bureau. Retrieved January 30, 2022.
^ "Find a County". National Association of Counties. Retrieved June 7, 2011.
^ El Naser, Haya (March 23, 2010). "Texas big Census winner this decade". USA Today. Retrieved January 21, 2020.

[Rockwall_County,_Texas-1] "Rockwall County, Texas". United States Census Bureau. Retrieved January 30, 2022.

[GR6-2] "Find a County". National Association of Counties. Retrieved June 7, 2011.

[3] El Naser, Haya (March 23, 2010). "Texas big Census winner this decade". USA Today. Retrieved January 21, 2020.

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