Hardin County, Iowa ZIP Codes
- ZIP records
10 - Cities represented
10 - Sum of listed ZIP population estimates
15,641
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 | 50126 | Iowa Falls | 6,368 |
| 2 | 50627 | Eldora | 3,276 |
| 3 | 50006 | Alden | 1,437 |
| 4 | 50122 | Hubbard | 1,297 |
| 5 | 50230 | Radcliffe | 1,145 |
| 6 | 50258 | Union | 958 |
| 7 | 50672 | Steamboat Rock | 611 |
| 8 | 50206 | New Providence | 349 |
| 9 | 50269 | Whitten | 164 |
| 10 | 50102 | Garden City | 36 |
Cities in Hardin 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.