Allen County, Kansas ZIP Codes
- ZIP records
7 - Cities represented
7 - Sum of listed ZIP population estimates
12,370
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 | 66749 | Iola | 7,448 |
| 2 | 66748 | Humboldt | 2,830 |
| 3 | 66755 | Moran | 890 |
| 4 | 66751 | La Harpe | 590 |
| 5 | 66732 | Elsmore | 294 |
| 6 | 66772 | Savonburg | 288 |
| 7 | 66742 | Gas | 30 |
Cities in Allen County
ZIP Directory
Browse all ZIP data for Kansas
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.