Rockwall County, Texas facts for kids
Quick facts for kids
Rockwall County
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The Rockwall County Courthouse in Rockwall
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Location within the U.S. state of Texas
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 Texas's location within the U.S. |
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| 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)
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| • Total | 107,819  |
| • Density | 720/sq mi (280/km2) |
| Demonym(s) | Rockwallian |
| Time zone | UTC−6 (Central) |
| • Summer (DST) | UTC−5 (CDT) |
| Congressional district | 4th |
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. 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 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.
Contents
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.
Geography
According to the U.S. Census Bureau, the county has an area of 149 square miles (390 km2), of which 127 square miles (330 km2) are land and 22 square miles (57 km2) (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
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Adjacent counties
- Collin County (north)
- Hunt County (east)
- Kaufman County (south)
- Dallas County (west)
Communities
- Dallas (mostly in Dallas County with small parts in Collin, Denton, Kaufman and Rockwall counties)
- Fate
- Garland (mostly in Dallas County with a small part in Collin County)
- Heath (small part in Kaufman County)
- McLendon-Chisholm
- Mobile City
- Rockwall (county seat)
- Rowlett (mostly in Dallas County)
- Royse City (partly in Collin and Hunt counties)
- Wylie (mostly in Collin County and a small part in Dallas County)
Demographics
| 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% | |
| 2020 | 107,844 | 37.7% | |
| 2023 (est.) | 131,307 | 67.6% | |
| U.S. Decennial Census 1850–2010 2010–2020 |
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| Race / Ethnicity (NH = Non-Hispanic) | Pop 2000 | Pop 2010 | Pop 2020 | % 2000 | % 2010 | % 2020 |
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| White alone (NH) | 35,817 | 58,046 | 70,198 | 83.14% | 74.10% | 65.11% |
| Black or African American alone (NH) | 1,374 | 4,397 | 8,179 | 3.19% | 5.61% | 7.59% |
| Native American or Alaska Native alone (NH) | 143 | 345 | 479 | 0.33% | 0.44% | 0.44% |
| Asian alone (NH) | 555 | 1,850 | 3,306 | 1.29% | 2.36% | 3.07% |
| Pacific Islander alone (NH) | 14 | 47 | 75 | 0.03% | 0.06% | 0.07% |
| Other race alone (NH) | 31 | 116 | 344 | 0.07% | 0.15% | 0.32% |
| Mixed race or Multiracial (NH) | 375 | 1,066 | 4,678 | 0.87% | 1.36% | 4.34% |
| Hispanic or Latino (any race) | 4,771 | 12,470 | 20,560 | 11.07% | 15.92% | 19.07% |
| Total | 43,080 | 78,337 | 107,819 | 100.00% | 100.00% | 100.00% |
According to the census 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 people/km2). There were 15,351 housing units at an average density of 119 units 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. By the 2020 census, its population increased to 107,819 with a racial and ethnic makeup of 65.11% non-Hispanic whites, 7.59% African Americans, 0.44% Native Americans, 3.07% Asians, 0.07% Pacific Islanders, 0.32% some other race, 4.34% multiracial, and 19.07% Hispanic or Latino of any race.
American Community Survey 2023 Data
The United States Census Bureau estimated that in 2023, Rockwall County’s population was 131,307. It was also estimated that the county was 21.4% Hispanic or Latino, 62.1% NH White, 9.9% NH Black, 3.8% NH Asian, 0.5% NH Native American, 0.1% NH Pacific Islander, 2.1% NH Multiracial.
| Race | Total | Percentage |
| Hispanic or Latino | 28,113 | 21.4% |
| NH White | 81,566 | 62.1% |
| NH Black | 13,027 | 9.9% |
| NH Asian | 5,053 | 3.8% |
| NH Native American | 710 | 0.5% |
| NH Pacific Islander | 103 | 0.1% |
| NH Multiracial | 2,735 | 2.1% |
Education
The following school districts serve Rockwall County:
- Rockwall Independent School District (small portion in Kaufman County)
- Royse City Independent School District (small portion in Collin, Hunt counties)
From 1997 to 2015 the number of non-Hispanic white children in K-12 schools in the county increased by 6,000 as part of a trend of white flight and suburbanization by non-Hispanic white families.
Collin College's official service area includes all of Rockwall County.
See also
In Spanish: Condado de Rockwall para niños
