Rockwall County
Sign in to savecounty in Texas, United States
AI overview
Rockwall County is a county located in Texas in the United States. It is notable as one of Texas's smaller counties by area, situated in the north-central part of the state near the Dallas-Fort Worth metroplex.
AI-generated from the Wikipedia summary — may contain errors.
Key facts
- Country
- United States
- State
- Texas
- Founded
- March 1, 1873
- Named after
- Rockwall, Texas , named in turn for its clastic dikes
- Seat
- Rockwall
- Largest city
- Rockwall
- County judge
- Frank New
- Total
- 148.933 sq mi (385.73 km )
- Land
- 127.210 sq mi (329.47 km )
- Water
- 21.723 sq mi (56.26 km ) 14.59%
- Estimate 2025
- 140,738
- Density
- 1,077.44/sq mi (416.00/km )
- Demonym
Article
Rockwall County is a county in the U.S. state of Texas. As of the 2020 census, its population was 107,819; it was estimated to be 140,738 in 2025. Its county seat is Rockwall and both 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 25 fastest-growing counties in the U.S. in 2009. Rockwall County is listed as the wealthiest county in Texas and the 17th-wealthiest in the United States by median household income. Cities in Rockwall County include Rockwall, Heath, Royse City, Fate, McClendon-Chisholm, Mobile City, and part of Rowlett.
History