Haddam, KS ZIP code
The ZIP code for Haddam, Kansas is 66944. It is in Washington County.
- Population in these ZIPs
- 304
- Avg. median income
- $75,600population-weighted
- Typical home value
- —population-weighted
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Haddam, KS ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 66944 | 304 | $75,625 | — |
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 Haddam
- Morrowville 7 mi
- Cuba 9 mi
- Narka 9 mi
- Mahaska 10 mi
- Washington 12 mi
- Munden 14 mi
- Agenda 14 mi
- Linn 14 mi
- Clifton 17 mi
- Hollenberg 18 mi
- Belleville 18 mi
- Clyde 19 mi
Frequently asked questions
What is the ZIP code for Haddam, KS?
The ZIP code for Haddam, KS is 66944.
What county is Haddam, Kansas in?
Haddam ZIP codes are in Washington County.