Home > WA > Douglas County > Rock Island > Zip 98850

Zip Code 98850 — Rock Island, WA

98850 is a ZIP Code associated with Rock Island, WA, located within Douglas. The postal region supports an estimated population of 2,032 residents across Data Pending housing units, with a population density of 10.3 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (47.400480, -120.034590)

Data MetricLocal Statistic
Postal / Zip Code98850
Primary CityRock Island
State / ProvinceWA
CountyDouglas
Total Population2,032
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density10.3 people/sq mi
TimezoneAmerica/Los_Angeles

How 98850 Compares

MetricZIP 98850Douglas CountyWA State Average
Population2,03245,8467,816,021
Median IncomeData PendingN/AN/A
Population Density10.3 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 98845Palisades6.2 mi115N/A
Zip 98802East Wenatchee8.8 mi33,539N/A
Zip 98828Malaga9.5 mi1,898N/A
Zip 98801Wenatchee14.6 mi45,426N/A
Zip 98848Quincy18.2 mi12,854N/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 →