eastbound on U.S. Route 2
westbound on U.S. Route 2
- Index, Washington (Wikipedia)
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.