Zillah is located in Washington. Zillah, Washington has a population of 3,099. Zillah is more family-centric than the surrounding county with 36.03% of the households containing married families with children. The county average for households married with children is 33.95%.
The median household income in Zillah, Washington is $61,310. The median household income for the surrounding county is $47,470 compared to the national median of $57,652. The median age of people living in Zillah is 33.9 years.
The average high temperature in July is 86.8 degrees, with an average low temperature in January of 24.6 degrees. The average rainfall is approximately 9.8 inches per year, with 11.5 inches of snow per year.
