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Silvana is a census-designated place (CDP) in Snohomish County, Washington, United States. The population was 90 at the 2010 census.
Silvana is located at 48°12′8″N 122°15′19″W (48.202307, -122.255315).
According to the United States Census Bureau, the CDP has a total area of 1.5 square miles (4.0 km²), all of it land.