Dubuque County, Iowa
Dubuque County is a county in Iowa. Its county FIPS code is 19061. Use the boundary map and neighboring areas below to check the jurisdiction you need.
- Official code
- 19061
- Representative coordinates
- 42.463481, -90.878771
- County type
- County
- County seat or government
- Dubuque
- Resident population, July 2025
- 99,381
- Land area
- 1,575.486 km²
- Water area
- 21.141 km²
- State
- Iowa
The representative point identifies this area. It is not a street address or a boundary survey.
Time zones in Dubuque County
| Time zone | Local time and UTC offset | Next clock change |
|---|---|---|
| America/Chicago | UTC-06:00 in January; UTC-05:00 in July. Enable JavaScript for the live clock. | Enable JavaScript for upcoming changes. |
Listed zones overlap the mapped area. A point lookup can distinguish sides of a boundary. Your device’s zone may differ.
Census ZIP areas
52001 · 52002 · 52003 · 52031 · 52032 · 52033 · 52039 · 52040 · 52045 · 52046 · 52052 · 52053 · 52054 · 52056 · 52065 · 52068 · 52073 · 52078 · 52079 · 52237
These statistical areas overlap the boundary. They are not delivery assignments; confirm mailing details with USPS ZIP Code Lookup.
Official county information
Dubuque County government website ↗ is the next stop for county offices, tax, voting, jury and records information. A geographic lookup cannot determine eligibility, tax liability or a court obligation.
Cities, towns and communities
These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.
- Asbury city, IA
- Balltown city, IA
- Bankston city, IA
- Bernard city, IA
- Cascade city, IA
- Centralia city, IA
- Dubuque city, IA
- Durango city, IA
- Dyersville city, IA
- Epworth city, IA
- Farley city, IA
- Graf city, IA
- Holy Cross city, IA
- Luxemburg city, IA
- New Vienna city, IA
- Peosta city, IA
- Rickardsville city, IA
- Sageville city, IA
- Sherrill city, IA
- Worthington city, IA
- Zwingle city, IA
Areas sharing the mapped boundary
These areas touch this mapped boundary.
Before using this answer on a form
Use a precise point for address-level questions. A device accuracy circle can cross a boundary; confirm tax, voting or jury details with the responsible office.
Find the county at your current point, check its ZIP area, or find its physical time zone.