Newcastle, OK ZIP code
The ZIP code for Newcastle, Oklahoma is 73065. It is in McClain County.
- Population in these ZIPs
- 11,685
- Avg. median income
- $87,400population-weighted
- Typical home value
- $283,300population-weighted
- Metro area
- Oklahoma City, OK
Loading map…
Click anywhere on the map to see which ZIP code it's in.
Newcastle, OK ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 73065 | 11,685 | $87,358 | $283,300 |
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 Newcastle
Frequently asked questions
What is the ZIP code for Newcastle, OK?
The ZIP code for Newcastle, OK is 73065.
What county is Newcastle, Oklahoma in?
Newcastle ZIP codes are in McClain County.