Puget Sound Regional Council

Introduction | Population and Households | Economy | Housing | Transportation

Quick Facts  
Counties King, Pierce, Snohomish and Kitsap
Region’s population 3,898,720 (2015)
Largest City Seattle (King County) – population 662,400 (2015)
Smallest City Index (Snohomish County) – population 160 (2015)
Newest City Sammamish (King County) – incorporated August 1999
Oldest City Steilacoom (Pierce County) – incorporated 1854
Cities and Towns in Region 82

Source: WA State Office of Financial Management

   
County Area (square miles)
King 2,115.6
Kitsap 394.9
Pierce 1,669.5
Snohomish 2,087.3
Region 6,267.3

Source: WA State Office of Financial Management

Map of the Central Puget Sound Region

Puget Sound Regional Council • 1011 Western Ave, Suite 500 • Seattle, WA 98104 • 206-464-7090