La Feria redirects here. For the Mexican amusement park known as La Feria, see La Feria Chapultepec Mágico. La Feria is a city in Cameron County, Texas, United States. The population was 7,302 at the 2010 census. It is part of the Brownsville–Harlingen–Raymondville and the Matamoros–Brownsville metropolitan areas.