County Postal Hub • FIPS 48455
Trinity County, TX ZIP Codes & Directory
Complete postal guide for Trinity County, Texas. Featuring the official county seat of Groveton, largest municipality Trinity, and serving 2 incorporated municipal entities.
County Seat Groveton
Total Population 13,602
Land Area 693 sq mi
FIPS Code 48455
Municipalities Located in Trinity County
Incorporated Cities, Towns, and Villages
2 Cities
0 Towns
Active USPS Postal Codes in Trinity County
Standard delivery zones and geographic service boundaries
Frequently Asked Questions About Trinity County, TX
What is the county seat and largest city in Trinity County? ▾
The official county seat of Trinity County is Groveton, and its largest incorporated municipality by population is Trinity.
How many cities, towns, and villages are in Trinity County? ▾
Trinity County encompasses 2 incorporated municipal entities, including 2 cities, 0 towns, and 0 villages.
What is the total population and land area of Trinity County? ▾
According to official U.S. Census Bureau data, Trinity County has a population of approximately 13,602 residents and spans an area of 693 square miles.
How many postal codes operate in Trinity County? ▾
There are 1 active USPS postal codes serving addresses within Trinity County, Texas.