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

Zip Code 98851 — Soap Lake, WA

ZIP Code 98851 is associated with Soap Lake, WA, in Grant County. The listed population estimate is 4,437; estimated density is 11.7 people per square mile. Among records with population estimates, it ranks #5 of 14 in Grant County and #303 of 597 in WA.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (47.420020, -119.434620)

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

How 98851 Compares

MetricZIP 98851Grant County recordsWA records
Population estimate4,43797,918 (sum)7,816,021 (sum)
Population Density11.7 /sq mi----
County population rank#5 of 14----
State population rank#303 of 597----

Regional sums combine the population estimates in the listed ZIP records; they are not official county or state population totals.

Explore More ZIP Codes

Nearby ZIP Codes in WA

ZIP CodeCityDistancePopulation estimate
ZIP 98853Stratford7.4 mi6
ZIP 98823Ephrata11.0 mi12,188
ZIP 98860Wilson Creek14.9 mi277
ZIP 99115Coulee City17.6 mi1,369
ZIP 98837Moses Lake19.6 mi49,455

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 →