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 | ![]() |
State | ![]() |
Founded | 1873 |
Named for | Rockwall, Texas, named in turn for its clastic dikes |
Seat | Rockwall |
Largest city | Dallas |
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 | 723.6/sq mi (279.4/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, 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 sixth-wealthiest county in Texas.
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.
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) is land and 22 square miles (57 km2) (15%) is 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
- Collin County (north)
- Hunt County (east)
- Kaufman County (south)
- Dallas County (west)
Demographics
Historical population | |||
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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 | 107,819 | 37.6% | |
U.S. Decennial Census 1850–2010 2010–2020 |
2020 census
Race / Ethnicity | Pop 2010 | Pop 2020 | % 2010 | % 2020 |
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White alone (NH) | 58,046 | 70,198 | 74.10% | 65.11% |
Black or African American alone (NH) | 4,397 | 8,179 | 5.61% | 7.59% |
Native American or Alaska Native alone (NH) | 345 | 479 | 0.44% | 0.44% |
Asian alone (NH) | 1,850 | 3,306 | 2.36% | 3.07% |
Pacific Islander alone (NH) | 47 | 75 | 0.06% | 0.07% |
Some Other Race alone (NH) | 116 | 344 | 0.15% | 0.32% |
Mixed Race/Multi-Racial (NH) | 1,066 | 4,678 | 1.36% | 4.34% |
Hispanic or Latino (any race) | 12,470 | 20,560 | 15.92% | 19.07% |
Total | 78,337 | 107,819 | 100.00% | 100.00% |
Note: the US Census treats Hispanic/Latino as an ethnic category. This table excludes Latinos from the racial categories and assigns them to a separate category. Hispanics/Latinos can be of any race.
Communities
Cities
- 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)
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.
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