Silverdale is an unincorporated community in Kitsap County, Washington, in the United States.

[4] For statistical purposes, the United States Census Bureau has defined Silverdale as a census-designated place (CDP).

Silverdale ranks 158th among 522 areas in Washington for which per capita income data is collected.

Early attempts to incorporate Silverdale as a city resulted in failed ballot measures in 1941 and 1985.

[5] An incorporation referendum in November 1999 was initially defeated by a five-vote margin out of 4,000 votes cast.

Commerce in Silverdale is primarily divided into two geographic areas: Old Town Silverdale along the northeast edge of Dyes Inlet, and the area just north within SR 3 and SR 303 featuring Kitsap Mall, and other big box stores.

Central Kitsap School District serves about 11,243 students from kindergarten through grade 12 (2022–2023).

In addition, the district offers both junior high- and high school-level alternative programs.