Frankfort, KS ZIP code
The ZIP code for Frankfort, Kansas is 66427. It is in Marshall County.
- Population in these ZIPs
- 1,334
- Avg. median income
- $79,500population-weighted
- Typical home value
- $179,800population-weighted
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Frankfort, KS ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 66427 | 1,334 | $79,481 | $179,800 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities near Frankfort
- Vermillion 9 mi
- Blue Rapids 11 mi
- Home 13 mi
- Beattie 16 mi
- Centralia 16 mi
- Westmoreland 17 mi
- Waterville 17 mi
- Onaga 17 mi
- Marysville 17 mi
- Axtell 18 mi
- Olsburg 20 mi
- Baileyville 20 mi
Frequently asked questions
What is the ZIP code for Frankfort, KS?
The ZIP code for Frankfort, KS is 66427.
What county is Frankfort, Kansas in?
Frankfort ZIP codes are in Marshall County.