Marion County, Ohio ZIP Codes
- ZIP records
8 - Cities represented
8 - Sum of listed ZIP population estimates
65,284
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 | 43302 | Marion | 53,702 |
| 2 | 43342 | Prospect | 3,836 |
| 3 | 43314 | Caledonia | 2,438 |
| 4 | 43332 | La Rue | 2,173 |
| 5 | 43356 | Waldo | 1,120 |
| 6 | 43341 | New Bloomington | 953 |
| 7 | 43337 | Morral | 625 |
| 8 | 43322 | Green Camp | 437 |
Cities in Marion County
ZIP Directory
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.