There are 5 zip codes in Duval County, Texas. The most populated is 78384, located in San Diego. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
783845,510San Diego
783572,817Freer
783411,508Benavides
78349568Concepcion
78376258Realitos

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