County Postal Hub • FIPS 48315
Marion County, TX ZIP Codes & Directory
Complete postal guide for Marion County, Texas. Featuring the official county seat of Jefferson, largest municipality Jefferson, and serving 2 incorporated municipal entities.
County Seat Jefferson
Total Population 9,725
Land Area 381 sq mi
FIPS Code 48315
Municipalities Located in Marion County
Incorporated Cities, Towns, and Villages
2 Cities
0 Towns
Active USPS Postal Codes in Marion County
Standard delivery zones and geographic service boundaries
Frequently Asked Questions About Marion County, TX
What is the county seat and largest city in Marion County? ▾
The official county seat of Marion County is Jefferson, and its largest incorporated municipality by population is Jefferson.
How many cities, towns, and villages are in Marion County? ▾
Marion County encompasses 2 incorporated municipal entities, including 2 cities, 0 towns, and 0 villages.
What is the total population and land area of Marion County? ▾
According to official U.S. Census Bureau data, Marion County has a population of approximately 9,725 residents and spans an area of 381 square miles.
How many postal codes operate in Marion County? ▾
There are 1 active USPS postal codes serving addresses within Marion County, Texas.