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ZipCityLookup
City Profile

Index, Washington

Population: 155 · 1 ZIP code

Demographics

Source: U.S. Census Bureau (ACS/Decennial). Estimates vary by year.

People
Total population
155
People
Median age
45.4
Housing
Total households
67
Income
Median household income
—
Housing
Total housing units
89
Employment
Employment rate
54.3%
Education
Bachelor’s degree or higher
14.4%
Healthcare
Insured population
98.3%
City details
Local time 01:40:20(PT)
LocationIndex, WA
Population (ZIP areas)446(sum of local ZIP code populations)
Total ZIP codes1total
ZIP codes (by type)
1 PO Box
CountySnohomish
Area code
360564
TimezonePacific Time (PT)
Coordinates47.8215251, -121.4065442
Land area75.6 sq miles(195,708,428 m²)

Map of Index, Washington with ZIP codes

Map of Index, Washington and ZIP codes

ZIP Codes in Index

Explore the ZIP codes that make up Index. Analyze key demographics and population stats for the region using the comprehensive table below.

ZIPType
Median incomeHousehold
Population (ZIP)
98256PO BOX$94,375446

— Data unavailable or suppressed by the U.S. Census Bureau for areas with small sample sizes to protect individual privacy.

ZIP type legend

  • Standard: residential and business delivery areas
  • PO BOX: primarily post office boxes; population may be unavailable
  • Unique: high-volume organizations (universities, agencies, etc.)

Nearby cities

Other cities near Index, WA.

Baring, WAGold Bar, WASkykomish, WASultan, WAGranite Falls, WACarnation, WAMonroe, WASnoqualmie, WA

Data Sources & Citations

The geographic and demographic information presented on this site is compiled from publicly available, authoritative sources, including:

  • United States Census BureauDemographic, population, housing, and socioeconomic data sourced from Census Bureau datasets, including the Decennial Census and the American Community Survey (ACS).Census Data
  • United States Postal Service (USPS)ZIP code classifications, delivery types, and postal designations used for reference purposes. USPS ZIP codes are intended for mail delivery and may not always align exactly with Census geographic boundaries.USPS