Population Demographics
As of 2025 the population of Silverdale is 22,196. The population is expected to grow to 22,960 by 2030 - a growth rate of 0.68%.
The median age of Silverdale residents is 39.
The diversity index of Silverdale is 63.2, meaning that there is a 63% chance that any two people selected out of 100 residents will be of different race or ethnicity from one another.