Texas Triangle

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Texas Triangle Megaregion
Clockwise: Houston, Austin, San Antonio, Dallas
Country  United States
State(s) Flag of Texas.svg Texas
17,745,584 [1]
The metro areas of the Texas Triangle megaregion in 2020.

The Texas Triangle (also known as Texaplex) [2] is a region of Texas which contains the state's four largest cities and is home to the majority of the state's population. The Texas Triangle is formed by the state's four main urban centers, Houston, Dallas-Fort Worth, San Antonio and Austin, connected by Interstate 45, Interstate 10, and Interstate 35. In 2020, the population of the Texas Triangle reached nearly 21 million following rapid growth across much of Texas. [3]

The Texas Triangle is one of eleven megaregions in the United States, clusters of urban areas which share economic and cultural ties.


In 2004, the Texas Triangle contained five of the 20 largest cities in the US, and was home to more than 70% of all Texans, with a population of 13.8 million. [4] In the next 40 years, the population of the Texas Triangle has been projected to grow more than 65%, [5] or an additional 10 million people, leading to 78% of Texans living and working within the Texas Triangle. From a resident's perspective, the Triangle is gradually becoming synonymous with Texas. [6]

Additional MSAs in the region include Bryan-College Station, Killeen-Temple-Fort Hood, and Waco. Twelve micropolitan statistical areas are within the Triangle, which includes 66 counties. [7] Beaumont, located east of Houston, has been considered part of the Texas Triangle by numerous studies dating from 2000. [8] [9] [10] [11] [12] Burleson County is the center of the Texas Triangle.

Sizable metro areas in Texas outside the Triangle are Corpus Christi, El Paso, Lubbock, Midland-Odessa, Abilene, San Angelo, Laredo, Amarillo, Tyler, Longview, Wichita Falls, and the Rio Grande Valley.


The cities and counties in or near the Texas Triangle, a megaregion of the US state of Texas: City names in bold in the map legend are in the top 10 most populous Texas cities.

The megaregion is defined in work by America 2050 and others. Dr. Robert Lang of the Metropolitan Institute at Virginia Tech characterized Dallas–Fort Worth as one of the earliest recognized megapolitans. Although each city is distinct, Dallas and Fort Worth developed closely enough to form the urban area widely known as " The Metroplex". A conference about the future of the Texas Triangle was held by Houston Tomorrow and America 2050 on September 24–25, 2009 in Houston.

The 60,000-square-mile (160,000 km2) region contains most of the state's largest cities and metropolitan areas, and in 2008 had a total of 17 million people and by 2020 had grown to nearly 21 million [3], nearly 75% of Texas's total population. [13] The region is comparable to Florida in population and comparable to Georgia in area, but the Texas Triangle comprises less than a quarter of Texas's total land area.

According to the University of Texas at Austin Center for Sustainable Development, "the Texas Triangle has three sides measuring 271, 198, and 241 miles in ground distance." [14]


Metropolitan areas

Image of the Texas Triangle at night from the International Space Station in June 2013. Houston is at the bottom, Dallas at the top, and San Antonio at the far left (with Austin nearby).

Micropolitan areas

Counties in the Triangle

Sixty-seven counties are within the Texas Triangle. They are: Atascosa, Austin, Bandera, Bastrop, Bell, Bexar, Brazoria, Brazos, Burleson, Caldwell, Chambers, Collin, Colorado, Comal, Cooke, Coryell, Dallas, Delta, Denton, Ellis, Falls, Fayette, Fort Bend, Freestone, Galveston, Gonzales, Grayson, Grimes, Guadalupe, Hardin, Harris, Hays, Henderson, Hill, Hood, Houston, Hunt, Jefferson, Johnson, Kaufman, Kendall, Lavaca, Lee, Leon, Liberty, Limestone, Madison, McLennan, Medina, Milam, Montgomery, Navarro, Orange, Parker, Rockwall, Robertson, San Jacinto, Somervell, Tarrant, Travis, Walker, Waller, Washington, Wharton, Williamson, Wilson, and Wise.


The term "Texaplex" was coined by David Winans in 2009, a combination of the terms "Texas" and "metroplex." [15] [16]

The Texaplex Project

The Texaplex Project refers to the online viral video and white paper that was produced by David Winans and MODassic Marketing as a response to the 2008 recession. [17] The short video cites many economic and population statistics in Texas. The video was freely distributed and shared across the web in an effort to counteract the bad economic news with good news. [18]

See also

The RPA definition of the Texas Triangle megaregion includes the geographically detached Oklahoma Metropolitan Corridor, consisting of Oklahoma City and Tulsa.


  1. ^ "Houston leads rapid Texas Triangle Megaregion growth - Houston Tomorrow". houstontomorrow.org. Retrieved 2014-07-12.
  2. ^ David Winans & MODassic Marketing. "Texaplex video".
  3. ^ a b "The Texas Triangle Megaregion Nears 21 Million Residents | TNE". texasnewsexpress.com. Retrieved 2020-10-18.
  4. ^ "The Simple Economics of the Texas Triangle - Houston Business, Jan. 2004 - FRB Dallas". Archived from the original on 2004-02-02. Retrieved 2014-07-12.
  5. ^ "Reinventing The Texas Triangle - UTexas CSD - 2009" (PDF). utexas.edu. Retrieved 2014-03-25.
  6. ^ Regional Plan Association (2008). America 2050: An Infrastructure Vision for 21st Century America. New York, NY: Regional Plan Association.
  7. ^ https://web.archive.org/web/20110706145900/http://www.texastriangle.biz/2009/02/megas-metros-micros.html. Archived from the original on July 6, 2011. Retrieved December 8, 2009. Missing or empty |title= ( help)
  8. ^ "MegaRegions +MetroProsperity". Houston Tomorrow and America 2050. August 4, 2009. Retrieved November 8, 2014.
  9. ^ Kent Butler, Sara Hammerschmidt, Frederick Steiner and Ming Zhang. "REINVENTING THE TEXAS TRIANGLE Solutions for Growing Challenges" (PDF). The University of Texas at Austin School of Architecture Center for Sustainable Development. pp. 6, 10. Archived from the original (PDF) on September 30, 2011. Retrieved November 8, 2014.CS1 maint: multiple names: authors list ( link)
  10. ^ Dan Seedah and Robert Harrison (September 2011). "Megaregion Freight Movements: A Case Study of the Texas Triangle" (PDF). Center for Transportation Research University of Texas at Austin (Form DOT F 1700.7 (8-72)). pp. 37–38. Retrieved November 8, 2014.
  11. ^ Michael Neuman and Elise Bright (May 2008). "TEXAS URBAN TRIANGLE Framework for future growth" (PDF). Texas Transportation Institute Texas A&M University System College Station, Texas 77843-3135. pp. 4–6. Retrieved November 8, 2014.
  12. ^ Ming Zhang, Frederick Steiner, Kent Butler (April 4, 2007). "Connecting the Texas Triangle: Economic Integration and Transportation Coordination" (PDF). The Healdsburg Research Seminar on MegaRegions. p. 31. Retrieved 2018-03-11.CS1 maint: multiple names: authors list ( link)
  13. ^ Neuman, Michael; Elise Bright (May 2008). "Texas Urban Triangle: Framework for Future Growth". SWUTC/08/167166-1. Texas A&M University System. Archived from the original on 2009-07-06. Retrieved 2009-06-21.
  14. ^ Kent Butler; Sara Hammerschmidt; Frederick Steiner; Ming Zhang (2009). "Defining The Region" (PDF). Reinventing the Texas Triangle. Center for Sustainable Development, School of Architecture, The University of Texas at Austin. p. 5. Archived from the original (PDF) on 2011-09-30. Retrieved 2011-07-25.
  15. ^ "Definition of "texaplex"". Texaplex.com.
  16. ^ "Texaplex on NBC News". NBC D/FW.
  17. ^ The Economist. "Lone Star rising".
  18. ^ David Winans. "Texaplex Whitepaper" (PDF).

External links

Latitude and Longitude:

30°40′N 96°50′W / 30.66°N 96.84°W / 30.66; -96.84