Loon Lake, WA ZIP code
The ZIP code for Loon Lake, Washington is 99148. It is in Stevens County.
- Population in these ZIPs
- 2,794
- Avg. median income
- $67,400population-weighted
- Typical home value
- $417,500population-weighted
- Metro area
- Spokane-Spokane Valley, WA
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Loon Lake, WA ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 99148 | 2,794 | $67,431 | $417,500 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities near Loon Lake
Frequently asked questions
What is the ZIP code for Loon Lake, WA?
The ZIP code for Loon Lake, WA is 99148.
What county is Loon Lake, Washington in?
Loon Lake ZIP codes are in Stevens County.