Duval County Post Offices

404 E Main
Benavides, Texas 78341

2239 Fm 716
Concepcion, Texas 78349

320 S Main St
Freer, Texas 78357

6417 Highway 359
Realitos, Texas 78376

111 N Victoria St
San Diego, Texas 78384

Duval County

There are 5 US Post Offices in Duval County serving a total of 12,620 residents equating to 2,524 residents per post office. It's estimated that approximately 20,143 packages are handled across the 5 county post offices annually. Duval County is a county located in the U.S. state of Texas. As of the 2010 census, its population was 11,782. The county seat is San Diego. The county was founded in 1858 and later organized in 1876. It is named for Burr H. Duval, a soldier in the Texas Revolution who died in the Goliad Massacre."