County · Iowa · United States
Dubuque County ZIP codes
16 ZIP codes · 14 cities · FIPS 19061
Key facts
- State
- Iowa (IA)
- FIPS code
- 19061
- Population
- 98,948
- Median household income
- $75,919
- Median age
- 38.8
- Land area
- 608.3 sq mi (1,575.5 km²)
- Population density
- 163 / sq mi
- Area codes
- 563
Cities and ZIP codes in Dubuque County (14)
About this page
County figures are Census county-level values (ACS 5-year); the ZIP list shows the ZIPs whose primary county this is — a ZIP on a border can also serve neighbouring counties.
Sources: U.S. Census Bureau (2020 county relationship file, ACS 5-year) · GeoNames. Methodology.