St John is located in Washington. St John, Washington has a population of 547. St John is less family-centric than the surrounding county with 23.42% of the households containing married families with children. The county average for households married with children is 31.03%.
The median household income in St John, Washington is $33,304. The median household income for the surrounding county is $41,574 compared to the national median of $57,652. The median age of people living in St John is 55.1 years.
The average high temperature in July is 85.8 degrees, with an average low temperature in January of 26.3 degrees. The average rainfall is approximately 17.6 inches per year, with 24.8 inches of snow per year.