11 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 66508 | Marysville | 4,020 |
| 66427 | Frankfort | 1,241 |
| 66411 | Blue Rapids | 1,195 |
| 66548 | Waterville | 924 |
| 66403 | Axtell | 803 |
| 66412 | Bremen | 583 |
| 66406 | Beattie | 406 |
| 66544 | Vermillion | 307 |
| 66541 | Summerfield | 259 |
| 66518 | Oketo | 203 |
| 66438 | Home | 189 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 11 ZCTAs in Marshall County, Kansas (US Census).