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Dallas County | |
|---|---|
From top, left to right: Dallas panorama, Dallas Hall in University Park, former Dallas County Courthouse with the Texas flag in 2017, Las Colinas in Irving | |
 Flag | |
 Location within the U.S. state of Texas | |
 Texas's location within the U.S. | |
| Coordinates: 32°46′N 96°47′W / 32.77°N 96.78°W | |
| Country |  United States |
| State |  Texas |
| Founded | March 30, 1846 |
| Named for | George M. Dallas |
| Seat | Dallas |
| Largest city | Dallas |
| Area | |
| • Total | 908.54 sq mi (2,353.1 km2) |
| • Land | 873.06 sq mi (2,261.2 km2) |
| • Water | 35.48 sq mi (91.9 km2) |
| Population (2020) | |
| • Total | 2,613,539  |
| • Density | 2,994/sq mi (1,156/km2) |
| Time zone | UTC−6 (Central) |
| • Summer (DST) | UTC−5 (CDT) |
| Congressional districts | 5th, 6th, 24th, 30th, 32nd, 33rd |
| Website | www |
Dallas County is the second-most populous county in the U.S. state of Texas with a 2020 U.S. census of 2,613,539,[1] making it the ninth-most populous county in the country. Dallas County is included in the Dallas-Arlington-Fort Worth metropolitan statistical area—colloquially referred to as the Dallas–Fort Worth metroplex. Municipal expansion within Dallas County has blurred the geographic lines between cities and between neighboring counties.[2]
Its county seat is the city of Dallas,[3] which is also Texas' third-largest city and the ninth-largest city in the United States. The county was founded in 1846 and was possibly named for George Mifflin Dallas, the 11th Vice President of the United States under U.S. President James K. Polk.
Geography
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According to the U.S. Census Bureau, the county has a total area of 909 square miles (2,350 km2), of which 873 square miles (2,260 km2) is land and 36 square miles (93 km2) (4.0%) is water.[4] 3,519 acres of the county is contained within 21 county-owned nature preserves, which were acquired through the county's Open Space Program.[5][6]
Adjacent counties
- Denton County (northwest)
- Collin County (northeast)
- Rockwall County (east)
- Kaufman County (southeast)
- Ellis County (south)
- Tarrant County (west)
Climate
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Communities
Cities (multiple counties)
- Carrollton (partly in Denton County and a small part in Collin County)
- Cedar Hill (small part in Ellis County)
- Combine (partly in Kaufman County)
- Coppell (small part in Denton County)
- Dallas (county seat) (small parts in Collin, Denton, Kaufman and Rockwall counties)
- Ferris (mostly in Ellis County)
- Garland (small parts in Collin and Rockwall counties)
- Glenn Heights (partly in Ellis County)
- Grand Prairie (partly in Tarrant County and a small part in Ellis County)
- Grapevine (mostly in Tarrant County and a small part in Denton County)
- Lewisville (mostly in Denton County)
- Mesquite (small part in Kaufman County)
- Ovilla (mostly in Ellis County)
- Richardson (small part in Collin County)
- Rowlett (small part in Rockwall County)
- Sachse (small part in Collin County)
- Seagoville (small part in Kaufman County)
- Wylie (mostly in Collin County and a small part in Rockwall County)
Cities
Towns
Census-designated places
Other unincorporated communities
Historical communities
- Alpha (not incorporated)
- Buckingham (Annexed by Richardson in 1996)
- Cedar Springs (First settled in February 1841. In 1929 the community was annexed by the city of Dallas.[8])
- Duck Creek (merged into Garland in 1887)
- East Dallas (annexed by the city of Dallas in 1890 but was once a city of its own)
- Embree (merged into Garland in 1887)
- Fruitdale (annexed by Dallas in 1964)
- Hatterville (Merged into Sunnyvale in 1953)
- Hord's Ridge (Merged into Oak Cliff in 1887[9])
- Kleberg (Absorbed by City of Dallas in 1978)
- La Reunion (Absorbed by City of Dallas in 1860)
- Letot (Northwest Dallas County, annexed by Dallas)[10]
- Liberty Grove
- Lisbon (Absorbed by City of Dallas in 1929)
- Little Egypt[11]
- Long Creek (Merged into Sunnyvale in 1953)
- Meaders
- New Hope (Merged into Sunnyvale in 1953 - not to be confused with the Collin County town of the same name)
- Noel Junction (not incorporated, Addison/Dallas)
- Oak Cliff (Annexed by Dallas in 1903)
- Penn Springs (Annexed by Duncanville in 1947)
- Pleasant Grove (Annexed by Dallas by 1962)
- Preston Hollow (Annexed by Dallas in 1945)
- Renner (annexed by Dallas in 1977)
- Rylie (annexed by Dallas in 1978)
- Scyene
- Trinity Mills (Annexed by Carrollton)[12]
- Tripp (Merged into Sunnyvale in 1953)
Demographics
| Census | Pop. | Note | %± |
|---|---|---|---|
| 1850 | 2,743 | — | |
| 1860 | 8,665 | 215.9% | |
| 1870 | 13,814 | 59.4% | |
| 1880 | 33,488 | 142.4% | |
| 1890 | 67,042 | 100.2% | |
| 1900 | 82,726 | 23.4% | |
| 1910 | 135,748 | 64.1% | |
| 1920 | 210,551 | 55.1% | |
| 1930 | 325,691 | 54.7% | |
| 1940 | 398,564 | 22.4% | |
| 1950 | 614,799 | 54.3% | |
| 1960 | 951,527 | 54.8% | |
| 1970 | 1,327,321 | 39.5% | |
| 1980 | 1,556,390 | 17.3% | |
| 1990 | 1,852,810 | 19.0% | |
| 2000 | 2,218,899 | 19.8% | |
| 2010 | 2,368,139 | 6.7% | |
| 2020 | 2,613,539 | 10.4% | |
| 2023 (est.) | 2,606,358 | [13] | −0.3% |
| U.S. Decennial Census[14] 2010–2020[1] | |||