Index is located in Washington. Index, Washington has a population of 209. Index is less family-centric than the surrounding county with 32.61% of the households containing married families with children. The county average for households married with children is 35.17%.
The median household income in Index, Washington is $60,313. The median household income for the surrounding county is $78,020 compared to the national median of $57,652. The median age of people living in Index is 44.8 years.
The average high temperature in July is 76 degrees, with an average low temperature in January of 32.1 degrees. The average rainfall is approximately 63.3 inches per year, with 49.3 inches of snow per year.