| Cameron County Texas Cities/Towns - Brownsville (County Seat), Combes, Harlingen, La Feria, Laguna Heights, Laureles, Los Fresnos, Port Isabel, Primera, Rio Hondo ,San Benito, South Padre Island |
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![]() Your Ad Here Cameron County is the southernmost county located in the U.S. state of Texas. In 2000, its population was 335,227. Its county seat is Brownsville. History Cameron is named for Captain Ewen Cameron, a soldier during the Texas Revolution and in the ill-fated Mier Expedition. |