Worthington, IA ZIP code
The ZIP code for Worthington, Iowa is 52078. It is in Dubuque County.
- Population in these ZIPs
- 870
- Avg. median income
- $97,800population-weighted
- Typical home value
- $319,600population-weighted
- Metro area
- Dubuque, IA
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Worthington, IA ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 52078 | 870 | $97,778 | $319,600 |
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
Cities near Worthington
- Farley 6 mi
- Dyersville 8 mi
- Hopkinton 8 mi
- Cascade 10 mi
- Epworth 10 mi
- Earlville 10 mi
- Delhi 11 mi
- Delaware 13 mi
- Monticello 13 mi
- New Vienna 13 mi
- Luxemburg 15 mi
- Langworthy 15 mi
Frequently asked questions
What is the ZIP code for Worthington, IA?
The ZIP code for Worthington, IA is 52078.
What county is Worthington, Iowa in?
Worthington ZIP codes are in Dubuque County.