Index, WA ZIP Codes

One ZIP code serves Index, Washington: 98256. Together they are home to 368 residents in 156 households. That is more than the 173 people counted inside Index town limits, because these ZIP codes reach past its boundary.

Index town limits (Census)

MeasureCensus figure
Residents173
Households67
Median household incomenot published
Median home value$580,400
Median age45.4
Median rentnot published

All 1 ZIP codes together

MeasureValue
Residents (sum of ZIP codes)368
Households (sum of ZIP codes)156
Median household income, range across ZIP codes$94,375 (98256) to $94,375 (98256)
Household-weighted average of ZIP medians (an approximation, not a true median)$94,375
Homeowners85.9%
Households with kids under 1816.0%
Moved in the past year12.8%
Carrier routes in EDDM2GO's route librarynot loaded yet

Every ZIP code in Index

ZIPMailing cityResidentsHouseholdsMedian incomeHome valueHomeownersWith kidsNew moversCarrier routesMailboxesWhy listed
98256Index368156$94,375$430,00085.9%16.0%12.8%——0% of its land; mailing city

A ZIP code is listed for Index when at least 10% of its land lies inside Index town limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Index. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Index.

Counties

Price a mailing to Index ZIP codes

EDDM guides

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Frequently asked questions

What ZIP codes are in Index, WA?
98256. A ZIP code is listed for Index when at least 10% of its land lies inside Index town limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Index.
What is the population of Index, WA?
The Census Bureau counts 173 residents inside Index town limits (ACS 2020–2024). The 1 ZIP code that serve Index hold 368 residents in all.
What is the median household income in Index, WA?
Across its ZIP codes the medians run from $94,375 to $94,375.

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.