Get to know Cottage Lake
The practical stuff — trash day, town hall, schools — plus the town’s story and where to go. Kept current by neighbors.
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The basics
About Cottage Lake
Census-designated place in Washington, United StatesCottage Lake is a census-designated place (CDP) in King County, Washington, United States. The population was 22,857 at the 2020 census. The lake itself falls within the 98072 ZIP code, while the developments east of the lake fall under the 98077 ZIP code. The census designated area is also split between the Northshore school district and the Lake Washington school district. Based on per capita income, Cottage Lake ranks 13th of 522 areas in the state of Washington to be ranked. Coldwell Banker ranked Cottage Lake #1 in 2013 for the fastest growing suburb in America.
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