Home > WA > Snohomish County > Index > Zip 98256

Zip Code 98256 — Index, WA

98256 is a ZIP Code associated with Index, WA, located within Snohomish. The postal region supports an estimated population of 368 residents across Data Pending housing units, with a population density of 1.9 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (47.828830, -121.414640)

Data MetricLocal Statistic
Postal / Zip Code98256
Primary CityIndex
State / ProvinceWA
CountySnohomish
Total Population368
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density1.9 people/sq mi
TimezoneAmerica/Los_Angeles

How 98256 Compares

MetricZIP 98256Snohomish CountyWA State Average
Population368841,4337,816,021
Median IncomeData PendingN/AN/A
Population Density1.9 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 98251Gold Bar8.2 mi4,907N/A
Zip 98224Baring9.6 mi190N/A
Zip 98288Skykomish12.5 mi169N/A
Zip 98294Sultan16.0 mi7,963N/A
Zip 98252Granite Falls21.1 mi10,361N/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 →