Blackwell, OK ZIP code
The ZIP code for Blackwell, Oklahoma is 74631. It is in Kay County.
- Population in these ZIPs
- 6,689
- Avg. median income
- $54,000population-weighted
- Typical home value
- $62,900population-weighted
- Metro area
- Ponca City, OK
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Blackwell, OK ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 74631 | 6,689 | $53,964 | $62,900 |
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 Blackwell
Frequently asked questions
What is the ZIP code for Blackwell, OK?
The ZIP code for Blackwell, OK is 74631.
What county is Blackwell, Oklahoma in?
Blackwell ZIP codes are in Kay County.