Home > WA > Grant County > Soap Lake > Zip 98851

Zip Code 98851 — Soap Lake, WA

98851 is a ZIP Code associated with Soap Lake, WA, located within Grant. The postal region supports an estimated population of 4,437 residents across Data Pending housing units, with a population density of 11.7 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (47.420020, -119.434620)

Data MetricLocal Statistic
Postal / Zip Code98851
Primary CitySoap Lake
State / ProvinceWA
CountyGrant
Total Population4,437
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density11.7 people/sq mi
TimezoneAmerica/Los_Angeles

How 98851 Compares

MetricZIP 98851Grant CountyWA State Average
Population4,43797,9187,816,021
Median IncomeData PendingN/AN/A
Population Density11.7 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 98853Stratford7.4 mi6N/A
Zip 98823Ephrata11.0 mi12,188N/A
Zip 98860Wilson Creek14.9 mi277N/A
Zip 99115Coulee City17.6 mi1,369N/A
Zip 98837Moses Lake19.6 mi49,455N/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 →