Princeton, KS ZIP code
The ZIP code for Princeton, Kansas is 66078. It is in Franklin County.
- Population in these ZIPs
- 805
- Avg. median income
- $80,000population-weighted
- Typical home value
- $343,200population-weighted
- Metro area
- Ottawa, KS
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Princeton, KS ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 66078 | 805 | $80,000 | $343,200 |
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 Princeton
- Richmond 5 mi
- Rantoul 8 mi
- Ottawa 9 mi
- Williamsburg 10 mi
- Lane 11 mi
- Greeley 11 mi
- Pomona 14 mi
- Garnett 14 mi
- Osawatomie 15 mi
- Wellsville 16 mi
- Quenemo 17 mi
- Melvern 19 mi
Frequently asked questions
What is the ZIP code for Princeton, KS?
The ZIP code for Princeton, KS is 66078.
What county is Princeton, Kansas in?
Princeton ZIP codes are in Franklin County.