McClain County, Oklahoma ZIP codes
6 ZIP codes are in McClain County, plus 7 that cross in from neighboring counties. It's part of the Oklahoma City, OK metro area.
- ZIP codes
- 6
- Population in these ZIPs
- 28,760
- Avg. median income
- $81,700population-weighted
- Cities & towns
- 6
Click anywhere on the map to see which ZIP code it's in.
ZIP codes in McClain County
| ZIP code | City | Population | Median income | Typical home value |
|---|---|---|---|---|
| 73031 | Dibble | 44 | — | — |
| 73065 | Newcastle | 11,685 | $87,358 | $283,300 |
| 73080 | Purcell | 10,773 | $72,500 | $222,300 |
| 73093 | Washington | 3,767 | $96,719 | $337,700 |
| 73095 | Wayne | 1,748 | $77,232 | $194,800 |
| 74831 | Byars | 743 | $58,750 | $204,700 |
ZIP codes partly in McClain County
These ZIP codes are mostly in a neighboring county but cover part of McClain County.
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 73002 | Alex | Grady County | 1,177 | $69,808 | $173,700 |
| 73010 | Blanchard | Grady County | 21,521 | $90,110 | $319,900 |
| 73052 | Lindsay | Garvin County | 6,380 | $62,222 | $149,000 |
| 73057 | Maysville | Garvin County | 2,222 | $61,044 | $134,600 |
| 73072 | Norman | Cleveland County | 50,881 | $78,546 | $317,800 |
| 73074 | Paoli | Garvin County | 1,208 | $78,088 | $149,200 |
| 74872 | Stratford | Garvin County | 2,901 | $56,321 | $188,200 |
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 and towns in McClain County
Nearby counties
Frequently asked questions
How many ZIP codes are in McClain County, Oklahoma?
6 ZIP codes are mainly in McClain County, and 7 more ZIP codes from neighboring areas reach partly into it.
What cities are in McClain County?
ZIP codes in McClain County use the city names Byars, Dibble, Newcastle, Purcell, Washington and Wayne.
What metro area is McClain County in?
McClain County is part of the Oklahoma City, OK metropolitan statistical area.