| ZIP Codes: | 10 ZIP Codes (8 Standard, 2 PO Box, 0 Unique) [See All] |
| Area Code: | 580 |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 2:13:25 PM |
| Population: | 24,738 [See All] |
| FIPS: | 40065 |
| CBSA: | Altus, OK |
| Land Area: | 901 sq mi |
| Water Area: | 2 sq mi |
| Coordinates: | 34.6238, -99.3694 |
| Quick Link: |
24,738 residents live across 10 ZIPs covering 901 sq mi, served by 9 distinct USPS-recognized cities.
Population moved from 26,376 to 24,495 from 2014 to 2024 — a -7.1% change. 0 ZIPs gained residents, 8 lost.
The county's wealthiest ZIP 73549 (Headrick, $190,871 median) and poorest ZIP 73537 (Eldorado, $59,688) are 30.2 miles apart — a 3.2× income gap across local geography.
Median home values vary 4.0× across this county — from $57,200 in 73537 (Eldorado) to $227,800 in 73549 (Headrick).
Density varies 59× across the county — from 2 people/sq mi in 73539 (Elmer) to 128 in 73556 (Martha).
Educational attainment ranges from 14.6% bachelor's+ in 73560 (Olustee) to 49.4% in 73549 (Headrick) — the breadth of educational profiles across the area.
Within Oklahoma, this is the #35 most populous of 78 counties and ranks #2 for median household income .
Weighted by population, the typical household earns about $63,500 across the county — reflecting what a typical resident sees, not a simple ZIP average.
24.8% of adults age 25+ hold a bachelor's degree or higher (3,969 of 15,991 reporting).
8 Standard delivery, 2 PO Box only, 0 single-entity Unique ZIPs serve this county.
Median household income spans 3.2× between the wealthiest and poorest ZIPs — a sign of significant intra-county inequality.
A frontier county — vast land area with only a few residents per square mile. Daily life looks very different here than in the country's denser counties.
One ZIP holds the majority of this county's population — a sign of a county built around a single city or town.
Jackson County lost 6.2% of residents between 2014 and 2024. ZIPs that shed the largest share:
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 73521 | Altus | Standard | 20,155 | $60,887 | 178.6 | -7.5% |
| 73526 | Blair | Standard | 2,049 | $65,536 | 78.4 | -0.6% |
| 73560 | Olustee | Standard | 654 | $63,226 | 130.6 | -2.1% |
| 73537 | Eldorado | Standard | 543 | $59,688 | 180.0 | -18.8% |
| 73532 | Duke | Standard | 451 | $68,250 | 166.0 | -3.2% |
| 73549 | Headrick | Standard | 320 | $190,871 | 73.1 | -7.0% |
| 73523 | Altus Afb | Standard | 243 | — | 6.3 | — |
| 73539 | Elmer | Standard | 189 | $104,375 | 87.4 | -19.6% |
| 73556 | Martha | PO Box | 134 | $64,375 | 1.1 | -4.3% |
| 73522 | Altus | PO Box | — | — | 0.0 | — |