There are 5 zip codes in Union County, South Carolina. The most populated is 29379, located in Union. * 2024 populations estimated based on the latest ACS 5-year data.

Download Table Data

Enter your email below, and you'll receive this table's data in your inbox momentarily.

Zip Code
Population
City
2937917,380Union
293533,483Jonesville
293213,248Buffalo
290311,864Carlisle
29364557Lockhart
showing: 5 rows

Zip Codes in Union County, South Carolina by Population (2024)