Palo Alto County, Iowa ZIP codes
8 ZIP codes are in Palo Alto County, plus 6 that cross in from neighboring counties.
- ZIP codes
- 8
- Population in these ZIPs
- 9,246
- Avg. median income
- $71,600population-weighted
- Cities & towns
- 8
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ZIP codes in Palo Alto County
| ZIP code | City | Population | Median income | Typical home value |
|---|---|---|---|---|
| 50515 | Ayrshire | 251 | $63,333 | $137,700 |
| 50527 | Curlew | 106 | — | — |
| 50528 | Cylinder | 366 | $116,429 | $214,700 |
| 50536 | Emmetsburg | 4,207 | $59,261 | $169,100 |
| 50562 | Mallard | 377 | $72,500 | $155,600 |
| 50597 | West Bend | 1,341 | $92,000 | $199,400 |
| 51342 | Graettinger | 1,385 | $84,866 | $168,300 |
| 51358 | Ruthven | 1,213 | $64,583 | $187,000 |
ZIP codes partly in Palo Alto County
These ZIP codes are mostly in a neighboring county but cover part of Palo Alto County.
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 50539 | Fenton | Kossuth County | 444 | $65,417 | $121,000 |
| 50546 | Havelock | Pocahontas County | 356 | $64,583 | $135,400 |
| 50554 | Laurens | Pocahontas County | 1,653 | $63,802 | $75,800 |
| 50578 | Ringsted | Emmet County | 633 | $71,645 | $178,100 |
| 50581 | Rolfe | Pocahontas County | 809 | $57,500 | $70,600 |
| 50598 | Whittemore | Kossuth County | 818 | $78,558 | $166,000 |
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 and towns in Palo Alto County
Nearby counties
Frequently asked questions
How many ZIP codes are in Palo Alto County, Iowa?
8 ZIP codes are mainly in Palo Alto County, and 6 more ZIP codes from neighboring areas reach partly into it.
What cities are in Palo Alto County?
ZIP codes in Palo Alto County use the city names Ayrshire, Curlew, Cylinder, Emmetsburg, Graettinger, Mallard, Ruthven and West Bend.