Union County, Kentucky ZIP Codes
- ZIP records
4 - Cities represented
4 - Sum of listed ZIP population estimates
13,798
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 | 42437 | Morganfield | 7,064 |
| 2 | 42459 | Sturgis | 3,903 |
| 3 | 42462 | Waverly | 1,546 |
| 4 | 42461 | Uniontown | 1,285 |
Cities in Union County
ZIP Directory
Browse all ZIP data for Kentucky
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.