Census place · GEOID 1982065 · Pottawattamie County
Walnut, IA ZIP codes
1 ZIP/ZCTA intersecting this Census place in Pottawattamie County.
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: Census place Walnut (GEOID 1982065). Methodology
Combined population of ZIP/ZCTAs intersecting this place: 1,637 (1 ZIPs).
Combined population of ZIP/ZCTAs intersecting this place. Each intersecting ZIP contributes its full ZCTA population; overlap percents are descriptive only. This is not the Census place ACS headline above. Methodology
Map of Walnut, IA

ZIP/ZCTA overlap with Walnut
Population overlap
Share of each ZIP/ZCTA’s population located within Walnut, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.
- 5157767.8%
USPS primary city
ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
ZIP codes intersecting Walnut
| ZIP | City | County | Population | Income |
|---|---|---|---|---|
| 51577 | Walnut | Pottawattamie County | 1,637 | $67,928 |