Royal City, WA ZIP code
The ZIP code for Royal City, Washington is 99357. It is in Grant County.
- Population in these ZIPs
- 3,843
- Avg. median income
- $57,000population-weighted
- Typical home value
- $346,700population-weighted
- Metro area
- Moses Lake, WA
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Royal City, WA ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 99357 | 3,843 | $57,034 | $346,700 |
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 Royal City
Frequently asked questions
What is the ZIP code for Royal City, WA?
The ZIP code for Royal City, WA is 99357.
What county is Royal City, Washington in?
Royal City ZIP codes are in Grant County.