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Collin County, Texas

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Article Genealogy
Parent: Dallas, Texas Hop 3
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Collin County, Texas
Collin County, Texas
source
CountyCollin County
StateTexas
Founded year1846
SeatMcKinney
Largest cityPlano
Area total sq mi886
Area land sq mi848
Area water sq mi38
Population as of2020
Population total1,064,465
Population density sq mi1255
Time zoneCentral
District3rd
District24th
District326th
District432nd

Collin County, Texas is a major urban county located in the U.S. state of Texas, within the Dallas–Fort Worth metroplex. Established in 1846 and named for pioneer Collin McKinney, its county seat is McKinney, though its most populous city is Plano. The county has experienced explosive growth, transforming from a primarily agricultural region into a global hub for corporate headquarters, technology, and finance.

History

The area was originally inhabited by several Native American tribes, including the Caddo and Comanche. Following the Texas Revolution and the Republic of Texas's establishment, the Texas Congress formed the county from Fannin County land. Early settlers, many of whom arrived via the Peters Colony, established farming communities. The arrival of the Houston and Texas Central Railway in the 1870s spurred growth in towns like McKinney and Plano. The 20th century saw a shift from cotton farming to dairy production, but the most profound change began with the relocation of Texas Instruments and later Frito-Lay and JCPenney to the area, catalyzing its modern economic boom.

Geography

According to the U.S. Census Bureau, the county has a total area of 886 square miles, of which 848 square miles is land and 38 square miles is water. It is situated within the Blackland Prairie ecoregion. Major waterways include Lavon Lake, a reservoir on the East Fork Trinity River managed by the U.S. Army Corps of Engineers, and Lake Ray Hubbard, which forms part of its southern border with Dallas County. The terrain is characterized by rolling prairies and fertile soil, though significant portions are now urbanized.

Demographics

As of the 2020 United States census, the population was 1,064,465, making it one of the most populous counties in Texas. The racial and ethnic composition is diverse, with significant growth in Asian American and Hispanic communities. The county consistently ranks among the nation's most affluent, with high median household income and educational attainment levels. Major ancestry groups include German, English, Irish, and Asian Indian.

Government and politics

Collin County operates under a Commissioners' court system, led by a County Judge and four Commissioners. It is part of several Texas judicial districts and is served by multiple federal district courts. Historically a stronghold for the Republican Party, it has seen increasingly competitive elections in recent cycles. The county is represented in Congress by members including Keith Self and Beth Van Duyne.

Economy

The economy is dominated by the corporate, technology, and financial services sectors. It is home to the global headquarters of numerous Fortune 500 and Fortune 1000 companies, including Toyota North America, Liberty Mutual, Alliance Data, and Keurig Dr Pepper. Major employment centers include the Legacy West district in Plano and the CityLine development in Richardson. The presence of Texas Instruments and a dense network of telecommunications firms, such as Ericsson and AT&T, solidifies its status as a Silicon Prairie anchor.

Education

Public education is provided by several highly rated independent school districts, including Plano Independent School District, Frisco Independent School District, and Allen Independent School District. Higher education institutions within the county include Collin College, a large community college district, and satellite campuses of University of Texas at Dallas and Texas A&M University–Commerce. The county is also served by the Collin County Community College District.

Communities

The county contains numerous cities, towns, and unincorporated communities. The largest cities are Plano, Frisco, McKinney (the county seat), and Allen. Other significant incorporated places include Wylie, Murphy, Princeton, Farmersville, Anna, Melissa, Fairview, Lowry Crossing, and Weston. Unincorporated areas include Parker and Celina, the latter having annexed into both Collin and Denton counties.

Category:Collin County, Texas Category:Texas counties Category:1846 establishments in Texas