Map of Rockwall County, Texas

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. Per the 2020 Census, its population was 107,819. 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 WorthArlington 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.

Rockwall County overview:
Name:Rockwall County
FIPS code:48-397
State:Texas
Founded:1873
Named for:Rockwall, Texas, named in turn for its clastic dikes
Seat:Rockwall
Largest city:Dallas
Total Area:149 sq mi (390 km²)
Land Area:127 sq mi (330 km²)
Total Population:107,819
Population Density:720/sq mi (280/km²)
Time zone:UTC−6 (Central)
Summer Time Zone (DST):UTC−5 (CDT)
Website:www.rockwallcountytexas.com

Rockwall County location map. Where is Rockwall County?

Rockwall County location on the U.S. Map. Where is Rockwall County.
Location of Rockwall County in the the United States.
Rockwall County location on the Texas map. Where is Rockwall County.
Location of Rockwall County in Texas.

History

Rockwall County was formed in 1873 from portions of Kaufman County. It split off because access to the county seat of Kaufman was inconvenient. It was named for its county seat, Rockwall. Rockwall County also is home to the great rock wall, which is no longer in public view today.

Rockwall County Road Map

Rockwall CountyStreet Map.
Street map of Rockwall County, Texas. Source: OpenStreetMap (OSM)
Rockwall CountyMap
Rockwall Countypolitical map.

Geography

According to the U.S. Census Bureau, the county has an area of 149 square miles (390 km), of which 127 square miles (330 km) are land and 22 square miles (57 km) (15%) are covered by water. It is the smallest county by area in Texas.

Major highways

  • Interstate 30
  • U.S. Highway 67
  • State Highway 66
  • State Highway 205
  • State Highway 276

Adjacent counties

Rockwall County Topographic Map

Topographic Map of Rockwall County, Texas
Rockwall County Topo map.

Rockwall County Satellite Map

Satellite Map of Rockwall County, Texas
Rockwall County satellite map.

Rockwall County Outline Map

Outline Map of Rockwall County, Texas
Rockwall County outline map.
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Parent Unit Map

Map of United States
The United States (US) covers a total area of 9,833,520 sq. km. Of this area, the 48 contiguous states and the District of Columbia cover 8,080,470 sq. km. The archipelago of Hawaii has an area of 28,311 sq. km while the remaining area is part of the US territories. The greatest east-west distance in the ... Read more
Map of United States
Political map of Texas State – Printable Collection
Texas (/ˈtɛksəs/, also locally /ˈtɛksɪz/; Spanish: Texas, Tejas) is a state in the South Central region of the United States. At 268,596 square miles (695,660 km), and with more than 30 million residents in 2022, it is the second-largest U.S. state by both area (after Alaska) and population (after California). Texas shares borders with the states ... Read more
Political map of Texas State – Printable Collection

Related Administrative Divisions

Sub-Administrative Units Maps