County ZIP codes · Oklahoma · FIPS 40133
Seminole County, OK ZIP Codes
Seminole County, Oklahoma has 11 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 10 residential and 1 for PO boxes or a single organization. 7 of the residential ones lie mainly in Seminole County and 3 mainly in a neighboring county; 7 cross the county line. Median household income ranges from $41,053 in 74849 (Konawa) to $61,875 in 74854 (Maud) (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
Where are the ZIP codes of Seminole County?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
How different are its ZIP codes?
The middle half of its ranked ZIP codes (1,000+ people living in households) report median household incomes between $42,701 and $52,614.
They carry 10 postal town names.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).
All 10 residential ZIP codes in Seminole County
7 ZIP codes lie mainly in Seminole County; 3 more reach into it from a neighboring county and follow the first table.
| In this county | ||||||
|---|---|---|---|---|---|---|
| 74868 | Seminole | 12,543 | 59 | $48k | $120k | 100% |
| 74884 | Wewoka | 5,474 | 41 | $47k | $89k | 98% |
| 74849 | Konawa | 2,727 | 22 | $41k | $91k | 71% |
| 74840 | Earlsboro | 1,827 | 30 | $54k | $163k | 59% |
| 74867 | Sasakwa | 595 | 6 | $51k | $91k | 88% |
| 74837 | Cromwell | 153 | 472 | $59k | $75k | 100% |
| 74830 | Bowlegs | 148 | 129 | $54k | $50k | 100% |
Partly in Seminole County
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; county shares by land area (Census 2020 ZCTA-county relationship file).
Which ZIP codes cross the county line?
7 ZIP codes of Seminole County extend into another county. A ZIP code follows mail routes, not county borders.
| ZIP | In Seminole | Elsewhere |
|---|---|---|
| 74848 | 3% | Hughes County 97% |
| 74859 | 11% | Okfuskee County 89% |
| 74884 | 98% | Hughes County 2% |
| 74849 | 71% | Pottawatomie County 29% |
| 74854 | 50% | Pottawatomie County 50% |
| 74840 | 59% | Pottawatomie County 41% |
| 74867 | 88% | Hughes County 12% |
Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).
PO Box and single-organization ZIP codes
| ZIP | Postal name |
|---|---|
| 74818 | Seminole |
Source: GeoNames postal codes (CC BY 4.0).
Which first three digits do Seminole County's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Every ZIP code of Seminole County starts with 748.
| Prefix | Sectional center | Here | All codes |
|---|---|---|---|
| 748 | Oklahoma City, OK (SCF 730) | 11 | 50 |
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.