Shelby County, Iowa ZIP Codes
- ZIP records
10 - Cities represented
10 - Sum of listed ZIP population estimates
11,310
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 | 51537 | Harlan | 6,382 |
| 2 | 51570 | Shelby | 1,118 |
| 3 | 51531 | Elk Horn | 889 |
| 4 | 51530 | Earling | 809 |
| 5 | 51565 | Portsmouth | 516 |
| 6 | 51562 | Panama | 506 |
| 7 | 51446 | Irwin | 499 |
| 8 | 51527 | Defiance | 362 |
| 9 | 51578 | Westphalia | 116 |
| 10 | 51447 | Kirkman | 113 |
Cities in Shelby 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.