Arlington is located in Washington. Arlington, Washington has a population of 18,884. Arlington is more family-centric than the surrounding county with 38.35% of the households containing married families with children. The county average for households married with children is 35.17%.
The median household income in Arlington, Washington is $70,790. 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 Arlington is 38.1 years.
The average high temperature in July is 79.9 degrees, with an average low temperature in January of 30.9 degrees. The average rainfall is approximately 58.3 inches per year, with 5.6 inches of snow per year.
