Little Sioux, IA ZIP code
The ZIP code for Little Sioux, Iowa is 51545. It is in Harrison County.
- Population in these ZIPs
- 267
- Avg. median income
- $70,300population-weighted
- Typical home value
- $92,100population-weighted
- Metro area
- Omaha, NE-IA
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Little Sioux, IA ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 51545 | 267 | $70,313 | $92,100 |
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 Little Sioux
Frequently asked questions
What is the ZIP code for Little Sioux, IA?
The ZIP code for Little Sioux, IA is 51545.
What county is Little Sioux, Iowa in?
Little Sioux ZIP codes are in Harrison County.