Harmon County, Oklahoma ZIP codes
3 ZIP codes are in Harmon County, plus 3 that cross in from neighboring counties.
- ZIP codes
- 3
- Population in these ZIPs
- 2,390
- Avg. median income
- $43,100population-weighted
- Cities & towns
- 3
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ZIP codes in Harmon County
| ZIP code | City | Population | Median income | Typical home value |
|---|---|---|---|---|
| 73544 | Gould | 178 | $36,250 | $64,300 |
| 73550 | Hollis | 2,179 | $43,804 | $48,100 |
| 73571 | Vinson | 33 | $37,000 | $161,100 |
ZIP codes partly in Harmon County
These ZIP codes are mostly in a neighboring county but cover part of Harmon County.
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 73532 | Duke | Jackson County | 451 | $68,250 | $147,800 |
| 73537 | Eldorado | Jackson County | 543 | $59,688 | $65,700 |
| 73554 | Mangum | Greer County | 3,309 | $56,400 | $62,400 |
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 Harmon County
Nearby counties
Frequently asked questions
How many ZIP codes are in Harmon County, Oklahoma?
3 ZIP codes are mainly in Harmon County, and 3 more ZIP codes from neighboring areas reach partly into it.
What cities are in Harmon County?
ZIP codes in Harmon County use the city names Gould, Hollis and Vinson.