Lavaca County, TX ZIP Codes & Directory
Complete postal guide for Lavaca County, Texas. Featuring the official county seat of Hallettsville, largest municipality Hallettsville, and serving 2 incorporated municipal entities.
Municipalities Located in Lavaca County
Incorporated Cities, Towns, and Villages
Active USPS Postal Codes in Lavaca County
Standard delivery zones and geographic service boundaries
Frequently Asked Questions About Lavaca County, TX
What is the county seat and largest city in Lavaca County? ▾
The official county seat of Lavaca County is Hallettsville, and its largest incorporated municipality by population is Hallettsville.
How many cities, towns, and villages are in Lavaca County? ▾
Lavaca County encompasses 2 incorporated municipal entities, including 2 cities, 0 towns, and 0 villages.
What is the total population and land area of Lavaca County? ▾
According to official U.S. Census Bureau data, Lavaca County has a population of approximately 20,337 residents and spans an area of 970 square miles.
How many postal codes operate in Lavaca County? ▾
There are 1 active USPS postal codes serving addresses within Lavaca County, Texas.