County ZIP codes · Idaho · FIPS 16073
Owyhee County, ID ZIP Codes
Owyhee County, Idaho has 12 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 7 of the residential ones lie mainly in Owyhee County and 5 mainly in a neighboring county; 8 cross the county line. Median household income ranges from $63,760 in 83647 (Mountain Home) to $84,730 in 83641 (Melba) (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
Where are the ZIP codes of Owyhee 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 $64,042 and $69,593.
They carry 12 postal town names.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).
All 12 residential ZIP codes in Owyhee County
7 ZIP codes lie mainly in Owyhee County; 5 more reach into it from a neighboring county and follow the first table.
| In this county | ||||||
|---|---|---|---|---|---|---|
| 83628 | Homedale | 5,006 | 79 | $69k | $323k | 100% |
| 83641 | Melba | 4,061 | 18 | $85k | $426k | 61% |
| 83639 | Marsing | 3,311 | 13 | $64k | $462k | 100% |
| 83624 | Grand View | 1,349 | 5 | $45k | $273k | 78% |
| 83604 | Bruneau | 583 | 1 | $52k | – | 100% |
| 83627 | Hammett | 575 | 7 | $61k | $163k | 73% |
| 83650 | Murphy | 464 | 0 | $57k | $329k | 100% |
Partly in Owyhee County
| In this county | ||||||
|---|---|---|---|---|---|---|
| 89832 | Owyhee | 838 | 5 | $45k | $115k | 33% |
| 83302 | Rogerson | 35 | 0 | $108k | – | 26% |
| 83316 | Buhl | 10,456 | 36 | $70k | $310k | 14% |
| 97910 | Jordan Valley | 645 | 0 | $73k | $227k | 8% |
| 83647 | Mountain Home | 22,952 | 15 | $64k | $320k | 2% |
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?
8 ZIP codes of Owyhee County extend into another county. A ZIP code follows mail routes, not county borders.
| ZIP | In Owyhee | Elsewhere |
|---|---|---|
| 83647 | 2% | Elmore County 98% |
| 83316 | 14% | Twin Falls County 85% |
| 83641 | 61% | Canyon County 25%; Ada County 14% |
| 83624 | 78% | Elmore County 22% |
| 89832 | 33% | Elko County 67% |
| 97910 | 8% | Malheur County 92% |
| 83627 | 73% | Elmore County 27% |
| 83302 | 26% | Twin Falls County 74% |
Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).
Which first three digits do Owyhee County's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Owyhee County's ZIP codes use 4 prefixes: 833, 836, 898 and 979.
| Prefix | Sectional center | Here | All codes |
|---|---|---|---|
| 833 | Boise, ID (SCF 836) | 2 | 39 |
| 836 | Boise, ID (SCF 836) | 8 | 58 |
| 898 | Salt Lake City, UT (SCF 840) | 1 | 18 |
| 979 | Boise, ID (SCF 836) | 1 | 16 |
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.