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Zip Code 99357 — Royal City, WA

99357 is a ZIP Code associated with Royal City, WA, located within Grant. The postal region supports an estimated population of 3,843 residents across Data Pending housing units, with a population density of 6.8 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (46.892950, -119.679020)

Data MetricLocal Statistic
Postal / Zip Code99357
Primary CityRoyal City
State / ProvinceWA
CountyGrant
Total Population3,843
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density6.8 people/sq mi
TimezoneAmerica/Los_Angeles

How 99357 Compares

MetricZIP 99357Grant CountyWA State Average
Population3,84397,9187,816,021
Median IncomeData PendingN/AN/A
Population Density6.8 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 99321Beverly10.1 mi1,047N/A
Zip 99349Mattawa11.2 mi8,143N/A
Zip 98950Vantage14.9 mi61N/A
Zip 98824George15.0 mi147N/A
Zip 98848Quincy20.7 mi12,854N/A

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 →