County Postal Hub • FIPS 48235
Irion County, TX ZIP Codes & Directory
Complete postal guide for Irion County, Texas. Featuring the official county seat of Mertzon, largest municipality Mertzon, and serving 2 incorporated municipal entities.
County Seat Mertzon
Total Population 1,513
Land Area 1,052 sq mi
FIPS Code 48235
Municipalities Located in Irion County
Incorporated Cities, Towns, and Villages
2 Cities
0 Towns
Active USPS Postal Codes in Irion County
Standard delivery zones and geographic service boundaries
Frequently Asked Questions About Irion County, TX
What is the county seat and largest city in Irion County? ▾
The official county seat of Irion County is Mertzon, and its largest incorporated municipality by population is Mertzon.
How many cities, towns, and villages are in Irion County? ▾
Irion County encompasses 2 incorporated municipal entities, including 2 cities, 0 towns, and 0 villages.
What is the total population and land area of Irion County? ▾
According to official U.S. Census Bureau data, Irion County has a population of approximately 1,513 residents and spans an area of 1,052 square miles.
How many postal codes operate in Irion County? ▾
There are 1 active USPS postal codes serving addresses within Irion County, Texas.