Home > WA > Whitman County > Thornton > Zip 99176

Zip Code 99176 — Thornton, WA

99176 is a ZIP Code associated with Thornton, WA, located within Whitman. The postal region supports an estimated population of 163 residents across Data Pending housing units, with a population density of 1.3 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (47.092210, -117.412240)

Data MetricLocal Statistic
Postal / Zip Code99176
Primary CityThornton
State / ProvinceWA
CountyWhitman
Total Population163
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density1.3 people/sq mi
TimezoneAmerica/Los_Angeles

How 99176 Compares

MetricZIP 99176Whitman CountyWA State Average
Population16347,2847,816,021
Median IncomeData PendingN/AN/A
Population Density1.3 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 99174Steptoe6.4 mi69N/A
Zip 99158Oakesdale8.6 mi561N/A
Zip 99149Malden9.5 mi100N/A
Zip 99170Rosalia11.0 mi926N/A
Zip 99171Saint John11.2 mi895N/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 →