Baldwin City, KS ZIP code
The ZIP code for Baldwin City, Kansas is 66006. It is in Douglas County.
- Population in these ZIPs
- 8,013
- Avg. median income
- $81,000population-weighted
- Typical home value
- $365,800population-weighted
- Metro area
- Lawrence, KS
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Baldwin City, KS ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 66006 | 8,013 | $80,960 | $365,800 |
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
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Frequently asked questions
What is the ZIP code for Baldwin City, KS?
The ZIP code for Baldwin City, KS is 66006.
What county is Baldwin City, Kansas in?
Baldwin City ZIP codes are in Douglas County.