Walnut, KS zip code
Walnut, Kansas uses one zip code: 66780. Most of it is in Crawford County. Together these zip codes are home to about 674 people.
Zip codes
1
Population
674
All zips combined
Largest zip
66780
674 residents
Zip codes in Walnut
| Zip | Type | Population | IncomeMedian income |
|---|---|---|---|
| 66780 | 674 | $55,813 |