County Postal Hub • FIPS 48423
Smith County, TX ZIP Codes & Directory
Complete postal guide for Smith County, Texas. Featuring the official county seat of Tyler, largest municipality Tyler, and serving 2 incorporated municipal entities.
County Seat Tyler
Total Population 233,470
Land Area 928 sq mi
FIPS Code 48423
Municipalities Located in Smith County
Incorporated Cities, Towns, and Villages
2 Cities
0 Towns
Active USPS Postal Codes in Smith County
Standard delivery zones and geographic service boundaries
Frequently Asked Questions About Smith County, TX
What is the county seat and largest city in Smith County? ▾
The official county seat of Smith County is Tyler, and its largest incorporated municipality by population is Tyler.
How many cities, towns, and villages are in Smith County? ▾
Smith County encompasses 2 incorporated municipal entities, including 2 cities, 0 towns, and 0 villages.
What is the total population and land area of Smith County? ▾
According to official U.S. Census Bureau data, Smith County has a population of approximately 233,470 residents and spans an area of 928 square miles.
How many postal codes operate in Smith County? ▾
There are 2 active USPS postal codes serving addresses within Smith County, Texas.