Population Demographics
As of 2024 the population of Kitsap County is 283,073. The population is expected to grow to 288,870 by 2029 - a growth rate of 0.41%.
The median age of Kitsap County residents is 41.
The diversity index of Kitsap County is 53.8, meaning that there is a 54% chance that any two people selected out of 100 residents will be of different race or ethnicity from one another.