Union, IA ZIP code
The ZIP code for Union, Iowa is 50258. It is in Hardin County.
- Population in these ZIPs
- 958
- Avg. median income
- $84,000population-weighted
- Typical home value
- $192,300population-weighted
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Union, IA ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 50258 | 958 | $83,988 | $192,300 |
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 Union
- Whitten 4 mi
- Liscomb 5 mi
- Albion 7 mi
- New Providence 7 mi
- Clemons 7 mi
- Conrad 8 mi
- Saint Anthony 9 mi
- Eldora 9 mi
- Zearing 13 mi
- Hubbard 13 mi
- Beaman 13 mi
- Steamboat Rock 14 mi
Frequently asked questions
What is the ZIP code for Union, IA?
The ZIP code for Union, IA is 50258.
What county is Union, Iowa in?
Union ZIP codes are in Hardin County.