
Frederickson
- County:
- Pierce County
- County Seat:
- No
- Area (mi²):
- 11.311
- State:
- Washington
Frederickson is a CDP located in Pierce County, Washington. Frederickson has a 2025 population of 26,246. Frederickson is currently growing at a rate of 1.95% annually and its population has increased by 17.75% since the most recent census, which recorded a population of 22,290 in 2020.
The average household income in Frederickson is $124,360 with a poverty rate of 4.9%. The median age in Frederickson is 33.2 years: 32.5 years for males, and 33.8 years for females.