Union County, South Carolina ZIP Codes
- ZIP records
4 - Cities represented
4 - Sum of listed ZIP population estimates
25,071
Population sum includes positive estimates in these ZIP records; it is not an official county population.
Top ZIP Codes by Population
| Rank | ZIP Code | City | Population estimate |
|---|---|---|---|
| 1 | 29379 | Union | 17,607 |
| 2 | 29353 | Jonesville | 3,675 |
| 3 | 29321 | Buffalo | 3,236 |
| 4 | 29364 | Lockhart | 553 |
Cities in Union County
ZIP Directory
Browse all ZIP data for South Carolina
Methodology: Records are grouped by the source file's listed county and state. Population sums add positive ZIP-level estimates and are not official county totals; city counts use distinct city labels in the source.