Rockwall County, TX ZIP Codes & Directory
Complete postal guide for Rockwall County, Texas. Featuring the official county seat of Rockwall, largest municipality Rockwall, and serving 2 incorporated municipal entities.
Municipalities Located in Rockwall County
Incorporated Cities, Towns, and Villages
Active USPS Postal Codes in Rockwall County
Standard delivery zones and geographic service boundaries
Frequently Asked Questions About Rockwall County, TX
What is the county seat and largest city in Rockwall County? ▾
The official county seat of Rockwall County is Rockwall, and its largest incorporated municipality by population is Rockwall.
How many cities, towns, and villages are in Rockwall County? ▾
Rockwall County encompasses 2 incorporated municipal entities, including 2 cities, 0 towns, and 0 villages.
What is the total population and land area of Rockwall County? ▾
According to official U.S. Census Bureau data, Rockwall County has a population of approximately 107,819 residents and spans an area of 129 square miles.
How many postal codes operate in Rockwall County? ▾
There are 1 active USPS postal codes serving addresses within Rockwall County, Texas.