Moses Lake, WA ZIP code
The ZIP code for Moses Lake, Washington is 98837. It is in Grant County.
- Population in these ZIPs
- 49,455
- Avg. median income
- $74,600population-weighted
- Typical home value
- $360,400population-weighted
- Metro area
- Moses Lake, WA
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Moses Lake, WA ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 98837 | 49,455 | $74,586 | $360,400 |
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 Moses Lake
Frequently asked questions
What is the ZIP code for Moses Lake, WA?
The ZIP code for Moses Lake, WA is 98837.
What county is Moses Lake, Washington in?
Moses Lake ZIP codes are in Grant County.