Little Rock, IA ZIP code
The ZIP code for Little Rock, Iowa is 51243. It is in Lyon County.
- Population in these ZIPs
- 735
- Avg. median income
- $83,800population-weighted
- Typical home value
- $183,900population-weighted
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Little Rock, IA ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 51243 | 735 | $83,750 | $183,900 |
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 Rock
Frequently asked questions
What is the ZIP code for Little Rock, IA?
The ZIP code for Little Rock, IA is 51243.
What county is Little Rock, Iowa in?
Little Rock ZIP codes are in Lyon County.