Dubuque, IA metro area ZIP codes
The Dubuque, IA metropolitan statistical area (CBSA 20220) covers 1 county in Iowa and 15 ZIP codes.
- ZIP codes
- 15
- Population
- 91,771
- Avg. median income
- $80,500population-weighted
- Counties
- 1
Click anywhere on the map to see which ZIP code it's in.
Counties in the Dubuque, IA area
ZIP codes in the Dubuque, IA area
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 52001 | Dubuque | Dubuque County | 43,101 | $61,643 | $207,100 |
| 52002 | Dubuque | Dubuque County | 17,005 | $91,036 | $348,300 |
| 52003 | Dubuque | Dubuque County | 13,796 | $98,908 | $337,900 |
| 52004 PO Box | Dubuque | Dubuque County | — | — | — |
| 52032 | Bernard | Dubuque County | 1,305 | $88,500 | $293,700 |
| 52039 | Durango | Dubuque County | 1,079 | $79,345 | $400,500 |
| 52045 | Epworth | Dubuque County | 2,777 | $91,667 | $326,500 |
| 52046 | Farley | Dubuque County | 3,129 | $96,151 | $312,700 |
| 52053 | Holy Cross | Dubuque County | 1,148 | $83,000 | $341,900 |
| 52056 | Luxemburg | Dubuque County | 229 | $83,750 | $236,300 |
| 52065 | New Vienna | Dubuque County | 671 | $99,250 | $326,600 |
| 52068 | Peosta | Dubuque County | 5,280 | $125,901 | $441,800 |
| 52073 | Sherrill | Dubuque County | 1,381 | $95,526 | $381,500 |
| 52078 | Worthington | Dubuque County | 870 | $97,778 | $319,600 |
| 52099 PO Box | Dubuque | Dubuque County | — | — | — |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Frequently asked questions
How many ZIP codes are in the Dubuque, IA metro area?
15 ZIP codes, based on each ZIP code's main county.
Which counties make up the Dubuque, IA area?
Dubuque County.
What is an MSA?
A metropolitan statistical area (MSA) is a core city of 50,000+ people plus the surrounding counties tied to it by commuting, as defined by the U.S. Office of Management and Budget. Micropolitan areas have a core of 10,000–50,000. Together they are called core-based statistical areas (CBSAs).