Rockwall County, Texas

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Rockwall County, Texas
Rockwall county tx courthouse 2014.jpg
The Rockwall County Courthouse in Rockwall
Map of Texas highlighting Rockwall County
Location in the state of Texas
Map of the United States highlighting Texas
Texas's location in the U.S.
Founded 1873
Seat Rockwall
Largest city Rockwall
 • Total 149 sq mi (386 km2)
 • Land 127 sq mi (329 km2)
 • Water 22 sq mi (57 km2), 14.6%
 • (2010) 78,337
 • Density 607/sq mi (234/km²)
Congressional district 4th
Time zone Central: UTC-6/-5

Rockwall County is the smallest county located in the U.S. state of Texas. As of the 2010 census, its population was 78,337.[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, TX Metropolitan Statistical Area. It was one of the top twenty-five fastest growing counties in the U.S. in 2010.[3] Rockwall County is currently listed as the 6th wealthiest Texas county in Texas locations by per capita income.


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.


According to the U.S. Census Bureau, the county has a total area of 149 square miles (390 km2), of which 127 square miles (330 km2) is land and 22 square miles (57 km2) is (14.6%) water.[4] It is the smallest county by area in Texas.

Major highways[edit]

Adjacent counties[edit]


Historical population
Census Pop.
1880 2,984
1890 5,972 100.1%
1900 8,531 42.8%
1910 8,072 −5.4%
1920 8,591 6.4%
1930 7,658 −10.9%
1940 7,051 −7.9%
1950 6,156 −12.7%
1960 5,878 −4.5%
1970 7,046 19.9%
1980 14,528 106.2%
1990 25,604 76.2%
2000 43,080 68.3%
2010 78,337 81.8%
Est. 2012 83,021 6.0%
U.S. Decennial Census[5]
2012 Estimate[1]

As of the census[7] of 2000, there were 43,080 people, 14,530 households, and 11,972 families residing in the county. The population density was 334 people per square mile (129/km²). There were 15,351 housing units at an average density of 119 per square mile (46/km²). The racial makeup of the county was 89.17% White, 3.24% Black or African American, 0.40% Native American, 1.32% Asian, 0.05% Pacific Islander, 4.45% from other races, and 1.37% from two or more races. 11.07% of the population were Hispanic or Latino of any race.

There were 14,530 households out of which 44.40% had children under the age of 18 living with them, 71.00% were married couples living together, 8.00% had a female householder with no husband present, and 17.60% were non-families. 14.40% of all households were made up of individuals and 4.40% had someone living alone who was 65 years of age or older. The average household size was 2.92 and the average family size was 3.23.

In the county, the population was spread out with 30.10% under the age of 18, 7.00% from 18 to 24, 31.10% from 25 to 44, 23.30% from 45 to 64, and 8.60% who were 65 years of age or older. The median age was 35 years. For every 100 females there were 100.80 males. For every 100 females age 18 and over, there were 96.90 males.

The median income for a household in the county was $65,164, and the median income for a family was $71,448 (these figures had risen to $75,915 and $82,150 respectively as of a 2007 estimate[8]). Males had a median income of $49,636 versus $32,410 for females. The per capita income for the county was $28,573. About 3.80% of families and 4.70% of the population were below the poverty line, including 5.60% of those under age 18 and 4.10% of those age 65 or over.

Rockwall County was ranked the sixth fastest-growing county in the nation by the US Census Bureau from 2000 to 2010, adding 35,257 people (an 81.8% change).


The following school districts serve Rockwall County:


† Dallas is a city primarily in Dallas County but a portion extends into Rockwall County due to the city's ownership of Lake Ray Hubbard.
*Heath is mainly a city of Rockwall County but a small portion extends into northern Kaufman County.
** Rowlett is mainly a city of Dallas County but a portion of it extends into Rockwall County.
*** Royse City is mainly a city of Rockwall County but a portion of it extends into Collin County and Hunt County.
**** Wylie is mainly a city of Collin County but a small part extends into Rockwall County and Dallas County. ***** The city of Garland is located mostly in Dallas County, but an portion of the city extends into Rockwall County

See also[edit]


  1. ^ a b "State & County QuickFacts". United States Census Bureau. Retrieved December 23, 2013. 
  2. ^ "Find a County". National Association of Counties. Retrieved 2011-06-07. 
  3. ^ Texas big census winner this decade
  4. ^ "US Gazetteer files: 2010, 2000, and 1990". United States Census Bureau. 2011-02-12. Retrieved 2011-04-23. 
  5. ^ "U.S. Decennial Census". Retrieved December 23, 2013. 
  6. ^ "Texas Almanac: County Population History 1850-2010" (PDF). Texas State Historical Association. Retrieved December 23, 2013. 
  7. ^ "American FactFinder". United States Census Bureau. Retrieved 2011-05-14. 
  8. ^ U.S. Census Bureau Fact Finder
  9. ^ "Population of Texas Cities and Towns Sorted by County". The County Information Project Texas Association of Counties. Retrieved 16 March 2015. 

External links[edit]

Coordinates: 32°53′N 96°25′W / 32.89°N 96.41°W / 32.89; -96.41