Zip Code 99141 — Kettle Falls, WA
99141 is a ZIP Code associated with Kettle Falls, WA, located within Ferry. 99141 ranks #1 out of 9 ZIP codes in Ferry County by population (and #284 out of 605 in WA). The area supports an estimated population of 5,626 residents across Data Pending housing units, with a population density of 3.5 people per square mile.
WorldPlaceData database updated: October 2026
📍 View location on OpenStreetMap (48.725710, -118.175090)
| Data Metric | Local Statistic |
|---|
| Postal / Zip Code | 99141 |
| Primary City | Kettle Falls |
| State / Province | WA |
| County | Ferry |
| Total Population | 5,626 |
| Median Household Income | Data Pending |
| Total Housing Units | Data Pending |
| Population Density | 3.5 people/sq mi |
| Timezone | America/Los_Angeles |
How 99141 Compares
| Metric | ZIP 99141 | Ferry County | WA State Average |
|---|
| Population | 5,626 | 11,915 (Total) | 7,816,021 (Total) |
| Average ZIP Income | Data Pending | N/A | N/A |
| Population Density | 3.5 /sq mi | -- | -- |
| County Pop Rank | #1 of 9 | -- | -- |
Nearby ZIP Codes
Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →