Seneca, KS zip code
Seneca, Kansas uses one zip code: 66538. Most of it is in Nemaha County. Together these zip codes are home to about 3.6K people.
Zip codes
1
Population
3.6K
All zips combined
Largest zip
66538
3,602 residents
Zip codes in Seneca
| Zip | Type | Population | IncomeMedian income |
|---|---|---|---|
| 66538 | 3,602 | $78,981 |