Index
Town in Snohomish County, Washington

Index is a town in Snohomish County, Washington, with 155 residents (2020 Census). It sits at 577 ft (176 m) above sea level. The nearest town is Baring, 5.0 miles SE.
- 155residents (2020 Census)
- 577 ftelevation · 176 m
- 0.2 sq miland area · 0.6 km²
- 675 / sq mipopulation density
- 98224ZIP code
About Index
Index (Lushootseed: x̌əx̌aʔusalʔtxʷ) is a town in Snohomish County, Washington, United States. The population was 155 at the 2020 census, making it the smallest municipality in the county. Index lies at an elevation of 541 feet (165 m) along the North Fork Skykomish River in the Cascade Mountains. It is connected to surrounding communities by U.S. Route 2.
The town was established in 1889 by Amos Gunn and his family after they purchased an existing claim to build a home and hotel. It was named for Mount Index (now Baring Mountain), which resembled an index finger. Index became a stop on the Great Northern Railway in 1893 and was platted the same year amid a boom in mineral exploration in the area. The town reached its peak population of 1,000 residents by 1900 and was incorporated as a municipality on October 11, 1907.
Index's economy originally relied on mining, lumber, and a granite quarry, but these industries declined by the middle of the 20th century. The town lost many of its businesses and the permanent population shrank for decades before stabilizing between 150 and 200 residents; vacation homes and seasonal residents became more prevalent as the area continued to be a hub for outdoor recreation. Rock climbing on the cliffs of the Index Town Wall and rafting on the Skykomish River brought new tourism to the Index area and forms part of the modern economy.
Text: Wikipedia · CC BY-SA 4.0
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Living in Index
- Median home value
- $580,400
- Median age
- 45.4
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Map of Index
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Open in Google Maps ›Index, WA population
Index had 155 residents in the 2020 Census.
| 2020 Census | 155 |
|---|---|
| Density | 675 per sq mi (261 per km²) |
Source: U.S. Census Bureau, Decennial Census.
Index at a glance
| State | Washington (WA) |
|---|---|
| County | Snohomish County |
| Type | Town |
| Population | 155 (2020) |
| Land area | 0.23 sq mi (0.6 km²) |
| Elevation | 577 ft (176 m) |
| Coordinates | 47.8213° N, 121.5559° W |
| ZIP code | 98224 |
| Official website | indexwa.org |
| Census code (GEOID) | 5333175 |
Sources: U.S. Census Bureau (Gazetteer, ZCTA), USGS GNIS, Wikidata.
Towns near Index
- Baring5.0 mi SE
- May Creek6.0 mi NW
- Gold Bar6.8 mi W
- Startup9.9 mi W
- Skykomish12.0 mi SE
- Sultan12.0 mi W
- North Sultan13.1 mi W
- Woods Creek16.5 mi W
- Lake Marcel-Stillwater18.8 mi SW
- Lake Roesiger19.4 mi NW
- Monroe20.0 mi W
- Carnation20.2 mi SW
Straight-line distance between town centers.
Frequently asked questions about Index
What county is Index in?
Index is in Snohomish County, Washington.
What is the population of Index, WA?
155 people lived in Index at the 2020 Census.
What is the ZIP code of Index, WA?
The ZIP code of Index is 98224.
What is the elevation of Index?
577 feet (176 m) above sea level.
What towns are near Index?
Baring (5.0 mi), May Creek (6.0 mi), Gold Bar (6.8 mi), Startup (9.9 mi), Skykomish (12.0 mi).
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