There are 16 zip codes in Cameron County, Texas. The most populated is 78521, located in Brownsville. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
7852187,040Brownsville
7852062,344Brownsville
7852659,547Brownsville
7855054,441Harlingen
7858649,504San Benito
7855240,824Harlingen
7856624,232Los Fresnos
7855912,973La Feria
7857810,540Port Isabel
785836,384Rio Hondo
785935,015Santa Rosa
785754,649Olmito
785972,386South Padre Island
78535633Combes
78592587Santa Maria
78567484Los Indios

Zip Codes in Cameron County, Texas by Population (2024)