Cromwell, IA ZIP code
The ZIP code for Cromwell, Iowa is 50842. It is in Union County.
- Population in these ZIPs
- 99
- Avg. median income
- $59,600population-weighted
- Typical home value
- $104,700population-weighted
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Cromwell, IA ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 50842 | 99 | $59,583 | $104,700 |
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 Cromwell
- Creston 4 mi
- Prescott 7 mi
- Lenox 10 mi
- Orient 12 mi
- Arispe 14 mi
- Shannon City 14 mi
- Afton 14 mi
- Corning 16 mi
- Diagonal 17 mi
- Bridgewater 17 mi
- Clearfield 17 mi
- Greenfield 18 mi
Frequently asked questions
What is the ZIP code for Cromwell, IA?
The ZIP code for Cromwell, IA is 50842.
What county is Cromwell, Iowa in?
Cromwell ZIP codes are in Union County.