Clayton County, Iowa ZIP Codes
- ZIP records
15 - Cities represented
15 - Sum of listed ZIP population estimates
16,181
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 | 52052 | Guttenberg | 2,999 |
| 2 | 52076 | Strawberry Point | 2,258 |
| 3 | 52043 | Elkader | 2,058 |
| 4 | 52042 | Edgewood | 1,804 |
| 5 | 52157 | McGregor | 1,451 |
| 6 | 52049 | Garnavillo | 1,370 |
| 7 | 52035 | Colesburg | 1,331 |
| 8 | 52156 | Luana | 769 |
| 9 | 52047 | Farmersburg | 462 |
| 10 | 52072 | Saint Olaf | 454 |
Cities in Clayton County
- Colesburg
- Edgewood
- Elkader
- Elkport
- Farmersburg
- Garber
- Garnavillo
- Guttenberg
- Luana
- Marquette
- McGregor
- North Buena Vista
- Saint Olaf
- Strawberry Point
- Volga
ZIP Directory
- ZIP 52035
- ZIP 52042
- ZIP 52043
- ZIP 52044
- ZIP 52047
- ZIP 52048
- ZIP 52049
- ZIP 52052
- ZIP 52066
- ZIP 52072
- ZIP 52076
- ZIP 52077
- ZIP 52156
- ZIP 52157
- ZIP 52158
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.