Ferry County, WA ZIP codes
There are 10 ZIP codes in Ferry County, WA, in 10 towns, from 99107 to 99166. The largest are 99141 (Kettle Falls), 99166 (Republic) and 99138 (Inchelium).
The county seat is Republic.
- ZIP codes
- 10
- Towns
- 10
- County seat
- Republic
- County FIPS
53019- State
- Washington
- Population
- 7,387
- Median household income
- $55,614
- Land area
- 2,203 sq mi
Ferry 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 Ferry County ZIP codes
The ZIP codes of Ferry 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.
Ferry County in numbers
About 7,387 people live in Ferry County, in 3,169 households, the 36th most populous of Washington's 39 counties. The median household income is $55,614 a year, 43% below the Washington median of $98,141 (US: $80,734). The median owner-occupied home is valued at $283,400 (50% below the Washington median), and median gross rent is $663 a month. The median age is 52.9; 15.2% of adults 25 and over hold a bachelor's degree or higher (39.6% across Washington); the average commute takes 21 minutes.
| Population | 7,387 |
|---|---|
| Households | 3,169 |
| Median age | 52.9 |
| Median household income | $55,614 |
| Median home value | $283,400 |
| Median gross rent | $663 |
| Bachelor's degree or higher | 15.2% |
| Mean commute | 21.3 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 Ferry County
| Town | ZIP codes | Population |
|---|---|---|
| Kettle Falls | 1 | 1,575 |
| Republic | 1 | 984 |
| Inchelium | 1 | 455 |
| Keller | 1 | 212 |
| Curlew | 1 | 126 |
| Orient | 1 | 87 |
| Malo | 1 | 35 |
| Laurier | 1 | 28 |
| Danville | 1 | 9 |
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 Ferry County.
Not sure you are in Ferry County? What county am I in? answers from your location, near a county line included.
Every ZIP code in Ferry County, with figures
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
99107 | Boyds , WA | No street area | — | — | — |
99118 | Curlew , WA | Standard | 899 | $68,875 | $323,800 |
99121 | Danville , WA | Standard | 262 | — | $392,000 |
99138 | Inchelium , WA | Standard | 1,223 | $50,833 | $218,100 |
99140 | Keller , WA | Standard | 486 | $53,529 | $140,700 |
99141 | Kettle Falls , WA | Standard | 5,626 | $58,302 | $320,700 |
99146 | Laurier , WA | Standard | 28 | — | — |
99150 | Malo , WA | Standard | 351 | $61,833 | $332,400 |
99160 | Orient , WA | Standard | 87 | — | under $10,000 |
99166 | Republic , WA | Standard | 2,953 | $56,676 | $286,000 |
Cite this page
zipcodes.pro. “Ferry County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/wa/county/ferry
Underlying data is public domain or openly licensed — sources, vintages and licences.