Kay County, OK ZIP codes
There are 8 ZIP codes in Kay County, OK, in 7 towns, from 74601 to 74653. The largest are 74601 (Ponca City), 74631 (Blackwell) and 74653 (Tonkawa). 1 more crosses into it from a neighbouring county: 74604.
The county seat is Newkirk.
- ZIP codes
- 8
- Partly in it
- 1 more
- Towns
- 7
- County seat
- Newkirk
- County FIPS
40071- State
- Oklahoma
- Population
- 43,625
- Median household income
- $58,423
- Land area
- 920 sq mi
- Area code
- 580
- Metro area
- Ponca City
Kay 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 Kay County
This ZIP code lies mostly in a neighbouring county but covers a twentieth or more of Kay County.
- 74604 Ponca City · mostly in Osage County
Map of Kay County ZIP codes
The ZIP codes of Kay 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.
Kay County in numbers
About 43,625 people live in Kay County, in 16,776 households, the 22nd most populous of Oklahoma's 77 counties. The median household income is $58,423 a year, 10% below the Oklahoma median of $65,039 (US: $80,734). The median owner-occupied home is valued at $124,700 (38% below the Oklahoma median), and median gross rent is $842 a month. The median age is 38.5; 19.2% of adults 25 and over hold a bachelor's degree or higher (28.3% across Oklahoma); the average commute takes 19 minutes.
| Population | 43,625 |
|---|---|
| Households | 16,776 |
| Median age | 38.5 |
| Median household income | $58,423 |
| Median home value | $124,700 |
| Median gross rent | $842 |
| Bachelor's degree or higher | 19.2% |
| Mean commute | 18.9 min |
| Population density | 47 / 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 Kay County
| Town | ZIP codes | Population |
|---|---|---|
| Ponca City | 2 | 24,326 |
| Blackwell | 1 | 6,042 |
| Tonkawa | 1 | 3,014 |
| Newkirk | 1 | 2,043 |
| Kaw City | 1 | 283 |
| Braman | 1 | 179 |
| Nardin | 1 | 130 |
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 Kay County.
Not sure you are in Kay County? What county am I in? answers from your location, near a county line included.
Every ZIP code in Kay County, with figures
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
74601 | Ponca City , OK | Standard | 18,916 | $52,067 | $99,700 |
74602 | Ponca City , OK | No street area | — | — | — |
74631 | Blackwell , OK | Standard | 6,689 | $53,964 | $86,500 |
74632 | Braman , OK | Standard | 553 | $88,750 | — |
74641 | Kaw City , OK | Standard | 552 | $62,083 | $127,800 |
74646 | Nardin , OK | Standard | 289 | $90,473 | — |
74647 | Newkirk , OK | Standard | 3,534 | $63,145 | $120,100 |
74653 | Tonkawa , OK | Standard | 3,710 | $59,079 | $88,300 |
Cite this page
zipcodes.pro. “Kay County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/ok/county/kay
Underlying data is public domain or openly licensed — sources, vintages and licences.