Harrison County, Iowa ZIP Codes
- ZIP records
10 - Cities represented
10 - Sum of listed ZIP population estimates
14,759
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 | 51555 | Missouri Valley | 4,952 |
| 2 | 51546 | Logan | 3,114 |
| 3 | 51579 | Woodbine | 2,282 |
| 4 | 51529 | Dunlap | 1,732 |
| 5 | 51557 | Mondamin | 828 |
| 6 | 51563 | Persia | 629 |
| 7 | 51564 | Pisgah | 520 |
| 8 | 51545 | Little Sioux | 267 |
| 9 | 51556 | Modale | 266 |
| 10 | 51550 | Magnolia | 169 |
Cities in Harrison 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.