Effingham, KS ZIP code
The ZIP code for Effingham, Kansas is 66023. It is in Atchison County.
- Population in these ZIPs
- 1,189
- Avg. median income
- $55,800population-weighted
- Typical home value
- $219,000population-weighted
- Metro area
- Atchison, KS
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Effingham, KS ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 66023 | 1,189 | $55,759 | $219,000 |
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 Effingham
- Muscotah 7 mi
- Nortonville 7 mi
- Lancaster 8 mi
- Cummings 10 mi
- Everest 11 mi
- Valley Falls 12 mi
- Horton 13 mi
- Whiting 14 mi
- Atchison 14 mi
- Denton 15 mi
- Winchester 15 mi
- Denison 15 mi
Frequently asked questions
What is the ZIP code for Effingham, KS?
The ZIP code for Effingham, KS is 66023.
What county is Effingham, Kansas in?
Effingham ZIP codes are in Atchison County.