Idaho County, ID ZIP codes
There are 14 ZIP codes in Idaho County, ID, in 14 towns, from 83522 to 83671. The largest are 83530 (Grangeville), 83536 (Kamiah) and 83539 (Kooskia). 1 more crosses into it from a neighbouring county: 83611.
The county seat is Grangeville.
- ZIP codes
- 14
- Partly in it
- 1 more
- Towns
- 14
- County seat
- Grangeville
- County FIPS
16049- State
- Idaho
- Population
- 17,432
- Median household income
- $66,325
- Land area
- 8,477 sq mi
Idaho County ZIP codes by town
- Grangeville (county seat)
- 83530
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.
ZIP codes partly in Idaho County
This ZIP code lies mostly in a neighbouring county but covers a twentieth or more of Idaho County.
- 83611 Cascade · mostly in Valley County
Map of Idaho County ZIP codes
The ZIP codes of Idaho 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.
Idaho County in numbers
About 17,432 people live in Idaho County, in 6,776 households, the 20th most populous of Idaho's 44 counties. The median household income is $66,325 a year, 15% below the Idaho median of $77,800 (US: $80,734). The median owner-occupied home is valued at $310,200 (26% below the Idaho median), and median gross rent is $789 a month. The median age is 49.4; 22.6% of adults 25 and over hold a bachelor's degree or higher (31.8% across Idaho); the average commute takes 20 minutes.
| Population | 17,432 |
|---|---|
| Households | 6,776 |
| Median age | 49.4 |
| Median household income | $66,325 |
| Median home value | $310,200 |
| Median gross rent | $789 |
| Bachelor's degree or higher | 22.6% |
| Mean commute | 19.9 min |
| Population density | 2 / 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 Idaho County
| Town | ZIP codes | Population |
|---|---|---|
| Grangeville | 1 | 3,515 |
| Cottonwood | 1 | 1,131 |
| Kamiah | 1 | 1,084 |
| Kooskia | 1 | 687 |
| Riggins | 1 | 263 |
| Pollock | 1 | 241 |
| Elk City | 1 | 202 |
| Stites | 1 | 165 |
| Ferdinand | 1 | 162 |
| Lucile | 1 | 147 |
| Greencreek | 1 | 121 |
| White Bird | 1 | 57 |
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 Idaho County.
Not sure you are in Idaho County? What county am I in? answers from your location, near a county line included.
Every ZIP code in Idaho County, with figures
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
83522 | Cottonwood , ID | Standard | 2,692 | $79,688 | $250,000 |
83525 | Elk City , ID | Standard | 296 | $44,857 | $288,800 |
83526 | Ferdinand , ID | Standard | 242 | $70,357 | $246,300 |
83530 | Grangeville , ID | Standard | 6,406 | $79,477 | $324,000 |
83531 | Fenn , ID | No street area | — | — | — |
83533 | Greencreek , ID | Standard | 121 | $128,750 | $353,400 |
83536 | Kamiah , ID | Standard | 4,444 | $53,707 | $241,800 |
83539 | Kooskia , ID | Standard | 2,427 | $57,885 | $347,500 |
83542 | Lucile , ID | Standard | 147 | — | — |
83547 | Pollock , ID | Standard | 241 | $49,479 | $466,700 |
83549 | Riggins , ID | Standard | 587 | $56,488 | $359,700 |
83552 | Stites , ID | Standard | 806 | $56,172 | $240,100 |
83554 | White Bird , ID | Standard | 350 | $39,128 | $427,300 |
83671 | Warren , ID | No street area | — | — | — |
Cite this page
zipcodes.pro. “Idaho County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/id/county/idaho
Underlying data is public domain or openly licensed — sources, vintages and licences.