ZIP code 52078: Worthington, IA
52078 is a ZIP code in Worthington, Iowa, mainly in Dubuque County, part of the Dubuque, IA metro area. About 870 people live here.
- Population
- 870
- Median household income
- $97,778
- Typical home value
- $319,600+7.2% in 12 months
- Median rent
- —gross, per month
- Median age
- 40.4
- Homeowners
- 97.2%of occupied homes
Shaded: ZIP code 52078's area. Click anywhere on the map to see which ZIP code it's in.
ZIP codes within 10 milesWithin 25 miles
ZIP code 52078 details
| City | Worthington |
|---|---|
| State | Iowa |
| County | Dubuque County (also partly Delaware County) |
| Metro area | Dubuque, IA |
| Time zone | Central Time (UTC−6), observes daylight saving time |
| Type | Standard (delivery area) |
| Land area | 41.5 sq mi, plus 0 sq mi of water |
| Population density | 21 people per sq mi |
| Bachelor's degree or higher | 12.6% of adults 25+ |
| Average commute | 35.8 minutes |
| Center coordinates | 42.39583, -91.11571 |
ZIP codes near 52078
| ZIP code | City | Distance | Population |
|---|---|---|---|
| 52046 | Farley, IA | 6.1 mi | 3,129 |
| 52040 | Dyersville, IA | 7.6 mi | 5,584 |
| 52237 | Hopkinton, IA | 7.9 mi | 1,830 |
| 52033 | Cascade, IA | 9.9 mi | 3,292 |
| 52045 | Epworth, IA | 10.3 mi | 2,777 |
| 52041 | Earlville, IA | 10.4 mi | 1,468 |
| 52223 | Delhi, IA | 10.7 mi | 1,199 |
| 52036 | Delaware, IA | 12.7 mi | 135 |
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
Buying a home in 52078?
A typical home in ZIP code 52078 is worth about $319,600 (Zillow Home Value Index). The median household here earns $97,778 a year. See what buying here would cost per month, with Iowa average taxes and insurance filled in.
Monthly payment for a $319,600 homeWhat can a $97,778 income afford?Rental property numbers
About ZIP code 52078
What city is ZIP code 52078?
ZIP code 52078 is in Worthington, IA, in Dubuque County.
What county is ZIP code 52078 in?
52078 is mainly in Dubuque County, Iowa, and partly in Delaware County.
What is the population of ZIP code 52078?
About 870 people live in ZIP code 52078, according to the American Community Survey 2020–2024 5-year estimates.
What time zone is ZIP code 52078 in?
52078 is in Central Time (UTC−6). It observes daylight saving time.