McClain County, OK ZIP codes
McClain County, OK has 6 ZIP codes, in 6 towns: 73065, 73080, 73093, 73095, 74831 and 73031. 2 more cross into it from neighbouring counties: 73010 and 73052.
The county seat is Purcell.
- ZIP codes
- 6
- Partly in it
- 2 more
- Towns
- 6
- County seat
- Purcell
- County FIPS
40087- State
- Oklahoma
- Population
- 45,273
- Median household income
- $84,552
- Land area
- 571 sq mi
- Area code
- 405
- Metro area
- Oklahoma City
McClain County ZIP codes by town
Each ZIP code is listed under the county most of its land lies in and the town the Postal Service names it for; a ZIP code's own page shows exactly how it is split.
ZIP codes partly in McClain County
These ZIP codes lie mostly in a neighbouring county but each cover a twentieth or more of McClain County.
- 73010 Blanchard · mostly in Grady County
- 73052 Lindsay · mostly in Garvin County
Map of McClain County ZIP codes
The ZIP codes of McClain County, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.
McClain County in numbers
About 45,273 people live in McClain County, in 16,421 households, the 21st most populous of Oklahoma's 77 counties. The median household income is $84,552 a year, 30% above the Oklahoma median of $65,039 (US: $80,734). The median owner-occupied home is valued at $255,900 (28% above the Oklahoma median), and median gross rent is $954 a month. The median age is 38.6; 28.7% of adults 25 and over hold a bachelor's degree or higher (28.3% across Oklahoma); the average commute takes 28 minutes.
| Population | 45,273 |
|---|---|
| Households | 16,421 |
| Median age | 38.6 |
| Median household income | $84,552 |
| Median home value | $255,900 |
| Median gross rent | $954 |
| Bachelor's degree or higher | 28.7% |
| Mean commute | 27.9 min |
| Population density | 79 / sq mi |
U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates. Survey estimates carry margins of error, wider for small places. Sources and methods.
Largest towns in McClain County
| Town | ZIP codes | Population |
|---|---|---|
| Newcastle | 1 | 13,001 |
| Purcell | 1 | 6,803 |
| Dibble | 1 | 1,045 |
| Washington | 1 | 928 |
| Wayne | 1 | 701 |
| Byars | 1 | 209 |
Population of the census place of that name where there is one, otherwise of the ZIP codes the Postal Service addresses by it. A town's ZIP codes can reach past the county line.
Neighbouring counties
Counties that share a ZIP code with McClain County.
Not sure you are in McClain County? What county am I in? answers from your location, near a county line included.
Every ZIP code in McClain County, with figures
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
73031 | Dibble , OK | Standard | 44 | — | — |
73065 | Newcastle , OK | Standard | 11,685 | $87,358 | $249,200 |
73080 | Purcell , OK | Standard | 10,773 | $72,500 | $230,900 |
73093 | Washington , OK | Standard | 3,767 | $96,719 | $315,300 |
73095 | Wayne , OK | Standard | 1,748 | $77,232 | $149,500 |
74831 | Byars , OK | Standard | 743 | $58,750 | $136,800 |
Cite this page
zipcodes.pro. “McClain County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/ok/county/mcclain
Underlying data is public domain or openly licensed — sources, vintages and licences.