Home > WA > Douglas County > Grand Coulee > Zip 99133

Zip Code 99133 — Grand Coulee, WA

99133 is a ZIP Code associated with Grand Coulee, WA, located within Douglas. The postal region supports an estimated population of 1,115 residents across Data Pending housing units, with a population density of 2.4 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (48.006700, -119.106130)

Data MetricLocal Statistic
Postal / Zip Code99133
Primary CityGrand Coulee
State / ProvinceWA
CountyDouglas
Total Population1,115
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density2.4 people/sq mi
TimezoneAmerica/Los_Angeles

How 99133 Compares

MetricZIP 99133Douglas CountyWA State Average
Population1,11545,8467,816,021
Median IncomeData PendingN/AN/A
Population Density2.4 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 99124Elmer City7.1 mi326N/A
Zip 99116Coulee Dam8.1 mi1,786N/A
Zip 99123Electric City8.1 mi977N/A
Zip 99155Nespelem19.9 mi1,009N/A
Zip 99103Almira20.7 mi556N/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 →