Pierce County
Also known as Pierce County, Washington, Pierce County, WA
county in the state of Washington, United States
Key facts
- Country
- United States
- State
- Washington
- Founded
- December 22, 1852 (created)
- Named after
- Franklin Pierce
- Seat
- Tacoma
- Largest city
- Tacoma
- County executive
- Ryan Mello
- Total
- 1,805.491 sq mi (4,676.20 km )
- Land
- 1,668.025 sq mi (4,320.16 km )
- Water
- 137.466 sq mi (356.04 km ) 7.61%
- Estimate 2025
- 946,288
- Density
- 552.23/sq mi (213.22/km )
- Time zone
Article
Mount Rainier from Ricksecker Point, 1932 Tacoma—seat of Pierce County Hazard map of Mount Rainier Lava flows and pyroclastic flows
Electron Mudflow-sized event (generally large in size)