List of 1 Zip Codes in Walnut, Iowa

On this page, we'll list out the 1 zip codes we have on record for Walnut, Iowa in Pottawattamie County and Shelby County as well as the land area for each zip code.

Iowa is the 26th largest state by total land area, with a land area of 56,273 square miles (145,746 square kilometers) and has a total population of 3,150,011 people as of the most recent U.S. Census survey.

Walnut makes up approximately 0.14% of the total land area for Iowa and we have 1 zip codes for the city in our database, which you can see details of below, with land area information for each zip code.

Walnut covers the following counties:

There is not enough data as of the most recent U.S. Census survey to determine the population of Walnut.

ZIP Code Land Area (Sq. Meters) Land Area (Sq. Miles) Land Area (Sq. Kilometers)
51577 206,916,000 80 207

Click the zip code link(s) above to get detailed demographics data for the specific zip code (or ZCTA).

Places Near Walnut, Iowa

If you want to search and find zip codes for different cities or towns near Walnut, Iowa, the list below contains links to each of the 48 Iowa locations we have data for in Pottawattamie County and Shelby County.

Data Source(s)

All of the zip code data on this page is sourced from the United States Census Bureau geography reference files.

Link To or Reference This Page

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If you found the data or information on this page useful in your research, please use the tool below to properly cite or reference Name Census as the source. We appreciate your support!

  • "List of 1 Zip Codes in Walnut, Iowa". NameCensus.com. Accessed on March 29, 2024. https://namecensus.com/zip-codes/iowa/city/walnut/.

  • "List of 1 Zip Codes in Walnut, Iowa". NameCensus.com, https://namecensus.com/zip-codes/iowa/city/walnut/. Accessed 29 March, 2024

  • List of 1 Zip Codes in Walnut, Iowa. NameCensus.com. Retrieved from https://namecensus.com/zip-codes/iowa/city/walnut/.