Hidalgo County is located in the U.S. state of Texas. The county seat is Edinburg and the largest city is McAllen. The county is named for Miguel Hidalgo y Costilla, the priest who raised the call for Mexico's independence from Spain. It is located in the Rio Grande Valley of South Texas and is one of the fastest-growing counties in the United States. As of the 2020 census, its population was 870,781, making it the ninth-most populous county in Texas, and the most populous county outside of the counties in the Texas Triangle. Hidalgo County is designated by the U.S. Census Bureau as the McAllen–Edinburg–Mission metropolitan statistical area, which itself is part of the McAllen-Edinburg-Mission-Rio Grande City, Texas combined statistical area with neighboring Starr County. With a population that is 91.9% Hispanic as of 2020, it is Texas' second-most populous majority-Hispanic county and the fifth-largest nationwide. It is also the largest county which is over 90% Hispanic.

Founded: January 24, 1852
Named for: Miguel Hidalgo y Costilla
Seat: Edinburg
Largest city: McAllen
Total: 1,583 sq mi (4,099.95 km²)
Land: 1,571 sq mi (4,068.87 km²)
Water: 12 sq mi (31.08 km²), 0.81
Density: auto/sq mi (/km²)
Time zone: Central: UTC-6-5
Official Website: https://www.hidalgocounty.us/
Wikidata description: county in Texas, United States
Wikidata id: Q26519
Wikidata label: Hidalgo County
Wikidata aliases: Array
Source
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