Walnut, IA ZIP Codes, Coordinates & Counties
Walnut, Iowa has 1 ZIP code in Pottawattamie county. The approximate center of Walnut is 41.463, -95.205. Walnut has about 20,741 known street addresses.
ZIP codes in Walnut, IA
| ZIP Code | County | Latitude | Longitude |
|---|---|---|---|
| 51577 | Pottawattamie | 41.463 | -95.205 |
Counties Walnut spans
Pottawattamie
Most common streets in Walnut
500th, North, Pearl, Country, Pacific, Atlantic, Walnut, Redwood, Summit, Highland
Frequently asked questions
What ZIP codes are in Walnut, IA?
Walnut, Iowa has 1 ZIP code, ranging from 51577 to 51577. The full list, with each ZIP's county and coordinates, is in the table on this page.
What county is Walnut, IA in?
Walnut is in Pottawattamie county.
What are the latitude and longitude of Walnut, IA?
The approximate center of Walnut, Iowa is latitude 41.463, longitude -95.205. Coordinates for each ZIP code are listed in the table above.
How many ZIP codes does Walnut, IA have?
Walnut has 1 ZIP code.
How many addresses are in Walnut, IA?
Walnut, Iowa has about 20,741 known street addresses in the sthan.io US address database.
What are the most common streets in Walnut, IA?
Some of the most common street names in Walnut are 500th, North, Pearl, Country, Pacific, Atlantic.
What cities are near Walnut, IA?
Cities near Walnut include Marne (5 mi), Avoca (7 mi), Hancock (10 mi), Atlantic (11 mi), Elk Horn (11 mi).
Cities near Walnut
Marne, IA (5 mi) Avoca, IA (7 mi) Hancock, IA (10 mi) Atlantic, IA (11 mi) Elk Horn, IA (11 mi) Lewis, IA (12 mi) Harlan, IA (14 mi) Oakland, IA (14 mi)
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View the API →Last updated: June 2026 · Data: sthan.io US address database