County Postal Hub • FIPS 48333
Mills County, TX ZIP Codes & Directory
Complete postal guide for Mills County, Texas. Featuring the official county seat of Goldthwaite, largest municipality Goldthwaite, and serving 2 incorporated municipal entities.
County Seat Goldthwaite
Total Population 4,456
Land Area 748 sq mi
FIPS Code 48333
Municipalities Located in Mills County
Incorporated Cities, Towns, and Villages
2 Cities
0 Towns
Active USPS Postal Codes in Mills County
Standard delivery zones and geographic service boundaries
Frequently Asked Questions About Mills County, TX
What is the county seat and largest city in Mills County? ▾
The official county seat of Mills County is Goldthwaite, and its largest incorporated municipality by population is Goldthwaite.
How many cities, towns, and villages are in Mills County? ▾
Mills County encompasses 2 incorporated municipal entities, including 2 cities, 0 towns, and 0 villages.
What is the total population and land area of Mills County? ▾
According to official U.S. Census Bureau data, Mills County has a population of approximately 4,456 residents and spans an area of 748 square miles.
How many postal codes operate in Mills County? ▾
There are 1 active USPS postal codes serving addresses within Mills County, Texas.