ZIP codes
1
Index, WA Demographics & ZIP Codes
Index, Washington demographics and median household income by ZIP code (in Snohomish County) — 1 ZIP codes — population 409 — median income $91,406 — avg. home value $379,500. Compare income, housing, and population across ZIP codes on US5.
Population
409
Median household income (avg.)
$91,406
122% of U.S. median
Average home value
$379,500
109% of U.S. median
Average rent
$1,033
89% of U.S. median
Median age (avg.)
40.8
Index demographics
Index, Washington covers 1 ZIP code primarily in Snohomish County, with a combined ZIP-area population of about 409.
Across ZIP codes with age data, the average median age is about 40.8 years.
Median household income in Index
The average median household income across ZIP codes in Index, Washington is about $91,406 — about 5% above the WA ZIP average ($87,083), and about 22% above the U.S. median ($75,149).
The highest median household income among listed ZIPs is about $91,406 in 98256.
Housing in Index
For housing in Index, Washington, the average median home value is about $379,500 and the average median rent is about $1,033.
The most populous ZIP in this set is 98256 (about 409 residents). Use the table below to compare population, income, and home values across codes.
ZIP codes in Index
Sort by population, income, or home value. Click a column header to toggle ascending / descending.
| ZIP | City | County | State | Population ↓ | Income | Home value |
|---|---|---|---|---|---|---|
| 98256 | Index | Snohomish County | WA | 409 | $91,406 | $379,500 |
Frequently asked questions
What are the demographics of Index?
Index, Washington has a combined ZIP-area population of about 409 across 1 ZIP codes (primarily Snohomish County). Browse the ZIP table below for population, income, and housing by code.
What is the median household income in Index?
The average median household income across ZIP codes in Index, Washington is about $91,406, about 5% above the state ZIP average ($87,083), and about 22% above the U.S. median ($75,149). Average median home value is about $379,500.
How many ZIP codes are in Index?
Index, Washington includes 1 ZIP codes on US5. Each row links to demographics, median income, and housing for that code.
Where can I find ZIP code demographics for Index?
This page lists ZIP codes in Index, Washington with population, median household income, and home value. Select a ZIP for a full demographics profile.