San Augustine County, TX ZIP Codes & Directory
Complete postal guide for San Augustine County, Texas. Featuring the official county seat of San Augustine, largest municipality San Augustine, and serving 2 incorporated municipal entities.
Municipalities Located in San Augustine County
Incorporated Cities, Towns, and Villages
Active USPS Postal Codes in San Augustine County
Standard delivery zones and geographic service boundaries
Frequently Asked Questions About San Augustine County, TX
What is the county seat and largest city in San Augustine County? ▾
The official county seat of San Augustine County is San Augustine, and its largest incorporated municipality by population is San Augustine.
How many cities, towns, and villages are in San Augustine County? ▾
San Augustine County encompasses 2 incorporated municipal entities, including 2 cities, 0 towns, and 0 villages.
What is the total population and land area of San Augustine County? ▾
According to official U.S. Census Bureau data, San Augustine County has a population of approximately 7,918 residents and spans an area of 528 square miles.
How many postal codes operate in San Augustine County? ▾
There are 1 active USPS postal codes serving addresses within San Augustine County, Texas.