
Seabeck
- County:
- Kitsap County
- County Seat:
- No
- Area (mi²):
- 3.318
- State:
- Washington
Seabeck is a CDP located in Kitsap County, Washington. Seabeck has a 2025 population of 846. Seabeck is currently declining at a rate of -2.08% annually and its population has decreased by -0.94% since the most recent census, which recorded a population of 854 in 2020.
The average household income in Seabeck is $147,766 with a poverty rate of 10.09%. The median age in Seabeck is 54.3 years: 54.4 years for males, and 52.9 years for females.