County Postal Hub • FIPS 48069
Castro County, TX ZIP Codes & Directory
Complete postal guide for Castro County, Texas. Featuring the official county seat of Dimmitt, largest municipality Dimmitt, and serving 3 incorporated municipal entities.
County Seat Dimmitt
Total Population 7,371
Land Area 898 sq mi
FIPS Code 48069
Municipalities Located in Castro County
Incorporated Cities, Towns, and Villages
3 Cities
0 Towns
Active USPS Postal Codes in Castro County
Standard delivery zones and geographic service boundaries
Frequently Asked Questions About Castro County, TX
What is the county seat and largest city in Castro County? ▾
The official county seat of Castro County is Dimmitt, and its largest incorporated municipality by population is Dimmitt.
How many cities, towns, and villages are in Castro County? ▾
Castro County encompasses 3 incorporated municipal entities, including 3 cities, 0 towns, and 0 villages.
What is the total population and land area of Castro County? ▾
According to official U.S. Census Bureau data, Castro County has a population of approximately 7,371 residents and spans an area of 898 square miles.
How many postal codes operate in Castro County? ▾
There are 1 active USPS postal codes serving addresses within Castro County, Texas.