Cameron County is the southernmost county in the U.S. state of Texas. As of the 2025 census estimate, its population was 433,946. Its county seat and largest city is Brownsville, with the second-largest being Harlingen.

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Country: United States
Inception: 1848
Website: http://www.co.cameron.tx.us, https://www.cameroncountytx.gov/

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Facts from Wikidata (CC0). Image by County of Cameron via Wikimedia Commons (Public domain).

Cameron County

county in Texas, United States

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