As of the census of 2010, there were 19,204 people, 5,867 households, and 4,059 families residing in the CDP. The population density was 2,277.9 people per square mile. There were 6,246 housing units at an average density of 899.6 per square mile. The racial makeup of the CDP in 2005 was 74.9% White, 9.8% Asian, 3.5% African American, 1.9% Native American, 1.1% Pacific Islander, 1.45% from other races, and 5.01% from two or more races. Hispanic or Latino of any race were 4.4% of the population. Of the 5,867 households in Silverdale, 39.3% had children under the age of 18 living with them, 56.6% were married couplesliving together, 9.3% had a female householder with no husband present, and 30.8% were non-families. 22.7% of all households were made up of individuals and 6.1% had someone living alone who was 65 years of age or older. The average family size was 3.14 people. In the CDP, the population was spread out with 28.0% under the age of 18, 12.2% from 18 to 24, 31.1% from 25 to 44, 19.7% from 45 to 64, and 9.0% who were 65 years of age or older. The median age was 32 years. For every 100 females, there were 96.9 males. For every 100 females age 18 and over, there were 97.0 males. The median income for a household in the CDP was $48,164, and the median income for a family was $54,538. Males had a median income of $38,504 versus $28,414 for females. The per capita income for the CDP was $21,763. About 2.8% of families and 4.8% of the population were below the poverty line, including 5.1% of those under age 18 and 6.4% of those age 65 or over.
Commerce
Commerce in Silverdale is primarily divided into two geographic areas: Old Town Silverdale along the northeast edge of Dyes Inlet, and the Kitsap Mall and big box stores just north within SR 3 and SR 303. In addition to the Port of Silverdale, Old Town Silverdale is home to many salons, restaurants, and medical offices. A branch of Harrison Medical Center opened on Myhre Road in 2000. Harrison Silverdale will be expanded and the Harrison Bremerton campus closed.
Education
Public schools
serves about 11,000 students from kindergarten through grade 12. The district has two high schools serving grades 9 to 12, one secondary school serving grades 7 to 12, three middle schools serving grades six to eight, three satellite programs, 12 elementary schools, and a home-school support program. In addition, the district offers both junior high- and high school-level alternative programs. The overall graduation rate as of 2010 is 89.4% which is well above the statewide rate of 72%. On September 8, 2017, construction began on the new Central Kitsap Campus which will house Central Kitsap High School and Central Kitsap Middle School. The current buildings were built in 1942 and 1959 respectively. It is expected that middle school students will be able to move into the new building in Spring 2019 while high school students will move in Fall 2019. Construction for the new campus was contracted through Skanksa for $77.9 million. Central Kitsap School District sold the naming rights to the new campus' stadium to Kitsap Credit Union for $500,000. The stadium will be named "Kitsap Credit Union Athletic Complex."
