Shelby County, Iowa ZIP codes
10 ZIP codes are in Shelby County, plus 9 that cross in from neighboring counties.
- ZIP codes
- 10
- Population in these ZIPs
- 11,310
- Avg. median income
- $68,900population-weighted
- Cities & towns
- 10
Loading map…
Click anywhere on the map to see which ZIP code it's in.
ZIP codes in Shelby County
| ZIP code | City | Population | Median income | Typical home value |
|---|---|---|---|---|
| 51446 | Irwin | 499 | $62,750 | $150,300 |
| 51447 | Kirkman | 113 | $68,214 | $141,700 |
| 51527 | Defiance | 362 | $64,750 | $207,200 |
| 51530 | Earling | 809 | $73,750 | $236,100 |
| 51531 | Elk Horn | 889 | $59,199 | $192,000 |
| 51537 | Harlan | 6,382 | $65,000 | $204,500 |
| 51562 | Panama | 506 | $81,250 | $253,100 |
| 51565 | Portsmouth | 516 | $103,257 | $274,300 |
| 51570 | Shelby | 1,118 | $77,708 | $256,100 |
| 51578 | Westphalia | 116 | $77,292 | $97,600 |
ZIP codes partly in Shelby County
These ZIP codes are mostly in a neighboring county but cover part of Shelby County.
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 50022 | Atlantic | Cass County | 8,526 | $63,125 | $160,900 |
| 51454 | Manilla | Crawford County | 1,254 | $100,625 | $166,900 |
| 51455 | Manning | Carroll County | 2,279 | $76,786 | $194,800 |
| 51521 | Avoca | Pottawattamie County | 1,953 | $73,769 | $235,400 |
| 51529 | Dunlap | Harrison County | 1,732 | $61,599 | $199,200 |
| 51543 | Kimballton | Audubon County | 478 | $72,083 | $126,500 |
| 51552 | Marne | Cass County | 169 | $90,000 | $190,200 |
| 51563 | Persia | Harrison County | 629 | $69,297 | $257,400 |
| 51577 | Walnut | Pottawattamie County | 1,561 | $71,518 | $199,100 |
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 and towns in Shelby County
Nearby counties
Frequently asked questions
How many ZIP codes are in Shelby County, Iowa?
10 ZIP codes are mainly in Shelby County, and 9 more ZIP codes from neighboring areas reach partly into it.
What cities are in Shelby County?
ZIP codes in Shelby County use the city names Defiance, Earling, Elk Horn, Harlan, Irwin, Kirkman, Panama, Portsmouth, Shelby and Westphalia.