Merrill, IA ZIP code
The ZIP code for Merrill, Iowa is 51038. It is in Plymouth County.
- Population in these ZIPs
- 1,449
- Avg. median income
- $95,900population-weighted
- Typical home value
- $286,300population-weighted
- Metro area
- Le Mars, IA
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Merrill, IA ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 51038 | 1,449 | $95,893 | $286,300 |
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 Merrill
- Hinton 6 mi
- Brunsville 8 mi
- Le Mars 10 mi
- Westfield 11 mi
- Sioux City 15 mi
- Akron 15 mi
- Oyens 15 mi
- Lawton 16 mi
- Chatsworth 18 mi
- Ireton 18 mi
- Kingsley 18 mi
- Maurice 20 mi
Frequently asked questions
What is the ZIP code for Merrill, IA?
The ZIP code for Merrill, IA is 51038.
What county is Merrill, Iowa in?
Merrill ZIP codes are in Plymouth County.