Greenbank is located in Island County, Washington. There are roughly 2,504 residents, living in 1,203 households. The average temperature for Greenbank this time of the year is low of 45F and high of 63F. On average, Greenbank gets about 1.73 inches of precipitation in May. Most residents are home owners (82%), have a post secondary degree (65%) and are married, no kids (44%).
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