Zip Code 99176 — Thornton, WA

ZIP Code 99176 is associated with Thornton, WA, in Whitman County. The listed population estimate is 163; estimated density is 1.3 people per square mile. Among records with population estimates, it ranks #16 of 20 in Whitman County and #552 of 597 in WA.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (47.092210, -117.412240)

Data MetricLocal Statistic
Postal / Zip Code99176
Primary CityThornton
State / ProvinceWA
CountyWhitman
Total Population163
Population Density1.3 people/sq mi
TimezoneAmerica/Los_Angeles

How 99176 Compares

MetricZIP 99176Whitman County recordsWA records
Population estimate16347,284 (sum)7,816,021 (sum)
Population Density1.3 /sq mi----
County population rank#16 of 20----
State population rank#552 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 99174Steptoe6.4 mi69
ZIP 99158Oakesdale8.6 mi561
ZIP 99149Malden9.5 mi100
ZIP 99170Rosalia11.0 mi926
ZIP 99171Saint John11.2 mi895

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 →