Marion County, Missouri ZIP Codes
- ZIP records
6 - Cities represented
6 - Sum of listed ZIP population estimates
34,269
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 | 63401 | Hannibal | 21,489 |
| 2 | 63461 | Palmyra | 5,446 |
| 3 | 63456 | Monroe City | 4,749 |
| 4 | 63454 | Maywood | 1,104 |
| 5 | 63471 | Taylor | 770 |
| 6 | 63463 | Philadelphia | 711 |
Cities in Marion County
ZIP Directory
Browse all ZIP data for Missouri
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.