Limestone County, TX ZIP Codes & Directory
Complete postal guide for Limestone County, Texas. Featuring the official county seat of Groesbeck, largest municipality Mexia, and serving 2 incorporated municipal entities.
Municipalities Located in Limestone County
Incorporated Cities, Towns, and Villages
Active USPS Postal Codes in Limestone County
Standard delivery zones and geographic service boundaries
Frequently Asked Questions About Limestone County, TX
What is the county seat and largest city in Limestone County? ▾
The official county seat of Limestone County is Groesbeck, and its largest incorporated municipality by population is Mexia.
How many cities, towns, and villages are in Limestone County? ▾
Limestone County encompasses 2 incorporated municipal entities, including 2 cities, 0 towns, and 0 villages.
What is the total population and land area of Limestone County? ▾
According to official U.S. Census Bureau data, Limestone County has a population of approximately 22,146 residents and spans an area of 909 square miles.
How many postal codes operate in Limestone County? ▾
There are 1 active USPS postal codes serving addresses within Limestone County, Texas.