Frederickson URL: https://knowledge.ivjn.us/en/places/wa-frederickson.html Frederickson is a city in Washington, United States. ## Overview Frederickson is a city in [Washington](https://knowledge.ivjn.us/en/places/washington.html), United States, with a population of about 18,719[^geonames]. ## Geography - Coordinates: 47.0962, -122.3587 Updated: 2026-10-29 Relations: - Located in: Pierce County https://knowledge.ivjn.us/en/places/wa-pierce-county.html Sources: - GeoNames US dataset (US.txt / admin2Codes.txt) https://download.geonames.org/export/dump/US.zip