Malheur County, OR ZIP codes
Malheur 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.
Map of Malheur County ZIP codes
The ZIP codes of Malheur 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.
Malheur County in numbers
About 31,954 people live in Malheur County, in 10,292 households, the 20th most populous of Oregon's 36 counties. The median household income is $54,519 a year, 34% below the Oregon median of $83,011 (US: $80,734). The median owner-occupied home is valued at $248,900 (48% below the Oregon median), and median gross rent is $821 a month. The median age is 36.1; 15.2% of adults 25 and over hold a bachelor's degree or higher (36.8% across Oregon); the average commute takes 19 minutes.
| Population | 31,954 |
|---|---|
| Households | 10,292 |
| Median age | 36.1 |
| Median household income | $54,519 |
| Median home value | $248,900 |
| Median gross rent | $821 |
| Bachelor's degree or higher | 15.2% |
| Mean commute | 19.0 min |
| Population density | 3 / 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 Malheur County
| Town | ZIP codes | Population |
|---|---|---|
| Ontario | 1 | 11,842 |
| Nyssa | 1 | 3,240 |
| Vale | 1 | 2,348 |
| Riverside | 1 | 362 |
| Mc Dermitt | 1 | 330 |
| Adrian | 1 | 299 |
| Harper | 1 | 219 |
| Jordan Valley | 1 | 180 |
| Brogan | 1 | 38 |
| Westfall | 1 | 34 |
| Ironside | 1 | 30 |
| Jamieson | 1 | 24 |
| Juntura | 1 | 18 |
| Arock | 1 | 17 |
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 Malheur County.
Not sure you are in Malheur County? What county am I in? answers from your location, near a county line included.
Every ZIP code in Malheur County, with figures
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
89421 | Mc Dermitt , NV | Standard | 330 | $26,000 | $71,400 |
97901 | Adrian , OR | Standard | 954 | $45,500 | $250,000 |
97902 | Arock , OR | Standard | 17 | — | — |
97903 | Brogan , OR | Standard | 48 | $117,778 | $140,000 |
97906 | Harper , OR | Standard | 360 | $47,054 | $295,800 |
97908 | Ironside , OR | Standard | 30 | — | $98,100 |
97909 | Jamieson , OR | Standard | 24 | — | — |
97910 | Jordan Valley , OR | Standard | 645 | $73,317 | $227,400 |
97911 | Juntura , OR | Standard | 42 | $27,500 | — |
97913 | Nyssa , OR | Standard | 5,520 | $55,921 | $240,600 |
97914 | Ontario , OR | Standard | 19,713 | $50,857 | $249,200 |
97917 | Riverside , OR | Standard | 50 | $130,625 | — |
97918 | Vale , OR | Standard | 4,567 | $63,342 | $298,100 |
97920 | Westfall , OR | Standard | 34 | — | — |
Cite this page
zipcodes.pro. “Malheur County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/or/county/malheur
Underlying data is public domain or openly licensed — sources, vintages and licences.