Dubuque County, Iowa ZIP Codes
- ZIP records
13 - Cities represented
11 - Sum of listed ZIP population estimates
91,771
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 | 52001 | Dubuque | 43,101 |
| 2 | 52002 | Dubuque | 17,005 |
| 3 | 52003 | Dubuque | 13,796 |
| 4 | 52068 | Peosta | 5,280 |
| 5 | 52046 | Farley | 3,129 |
| 6 | 52045 | Epworth | 2,777 |
| 7 | 52073 | Sherrill | 1,381 |
| 8 | 52032 | Bernard | 1,305 |
| 9 | 52053 | Holy Cross | 1,148 |
| 10 | 52039 | Durango | 1,079 |
Cities in Dubuque County
ZIP Directory
- ZIP 52001
- ZIP 52002
- ZIP 52003
- ZIP 52032
- ZIP 52039
- ZIP 52045
- ZIP 52046
- ZIP 52053
- ZIP 52056
- ZIP 52065
- ZIP 52068
- ZIP 52073
- ZIP 52078
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.