Dubuque County, IA Zip Codes
15 zip codes across 12 cities in Dubuque County, IA
About Dubuque County
Dubuque County, Iowa (IA) contains 15 unique zip codes spanning 12 cities and communities. Each zip code covers a different area within the county, with varying demographics, income levels, and housing markets.
Browse the complete list below to find detailed population, income, home values, cost of living, and climate data for any zip code in Dubuque County.
Cities in Dubuque County
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All Zip Codes in Dubuque County, IA
| Zip Code | City |
|---|---|
| 52001 | Dubuque |
| 52002 | Dubuque |
| 52003 | Dubuque |
| 52032 | Bernard |
| 52033 | Cascade |
| 52039 | Dubuque |
| 52040 | Dyersville |
| 52045 | Epworth |
| 52046 | Farley |
| 52053 | Holy Cross |
| 52056 | Luxemburg |
| 52065 | New Vienna |
| 52068 | Peosta |
| 52073 | Sherrill |
| 52078 | Worthington |
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Frequently Asked Questions
How many zip codes are in Dubuque County, IA?
Dubuque County, IA has 15 zip codes across 12 cities.
What cities are in Dubuque County?
Cities in Dubuque County include Bernard, Cascade, Dubuque, Dyersville, Epworth, Farley, Holy Cross, Luxemburg, New Vienna, Peosta, Sherrill, Worthington.
What state is Dubuque County in?
Dubuque County is located in Iowa (IA).
All demographic data on this page is sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code boundary and delivery data is sourced from the United States Postal Service (USPS). Data is updated periodically and may not reflect the most current figures. Census Bureau ZIP Code Tabulation Areas (ZCTAs) may differ slightly from USPS ZIP code boundaries.