Lamoni, IA ZIP code
The ZIP code for Lamoni, Iowa is 50140. It is in Decatur County.
- Population in these ZIPs
- 2,842
- Avg. median income
- $57,400population-weighted
- Typical home value
- $166,700population-weighted
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Lamoni, IA ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 50140 | 2,842 | $57,443 | $166,700 |
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 Lamoni
Frequently asked questions
What is the ZIP code for Lamoni, IA?
The ZIP code for Lamoni, IA is 50140.
What county is Lamoni, Iowa in?
Lamoni ZIP codes are in Decatur County.