Marshall County, Kentucky ZIP Codes
- ZIP records
4 - Cities represented
4 - Sum of listed ZIP population estimates
31,470
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 | 42025 | Benton | 19,941 |
| 2 | 42029 | Calvert City | 5,552 |
| 3 | 42044 | Gilbertsville | 3,894 |
| 4 | 42048 | Hardin | 2,083 |
Cities in Marshall 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.