Home > WA > Skamania County > Underwood > Zip 98651

Zip Code 98651 — Underwood, WA

98651 is a ZIP Code associated with Underwood, WA, located within Skamania. The postal region supports an estimated population of 910 residents across Data Pending housing units, with a population density of 26.5 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (45.734190, -121.587180)

Data MetricLocal Statistic
Postal / Zip Code98651
Primary CityUnderwood
State / ProvinceWA
CountySkamania
Total Population910
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density26.5 people/sq mi
TimezoneAmerica/Los_Angeles

How 98651 Compares

MetricZIP 98651Skamania CountyWA State Average
Population9109,6407,816,021
Median IncomeData PendingN/AN/A
Population Density26.5 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 98605Bingen4.0 mi1,117N/A
Zip 98623Husum6.4 mi55N/A
Zip 98672White Salmon7.7 mi7,390N/A
Zip 98650Trout Lake16.6 mi1,188N/A
Zip 98602Appleton17.5 mi320N/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 →