Rocklyn is located in Washington. Rocklyn, Washington has a population of 351.
The median household income in Rocklyn, Washington is $63,947. The median household income for the surrounding county is $64,134 compared to the national median of $69,021. The median age of people living in Rocklyn is 43.1 years.
The average high temperature in July is 79.6 degrees, with an average low temperature in January of 23.5 degrees. The average rainfall is approximately 29.4 inches per year, with 84.2 inches of snow per year.
