Seattle metropolitan area
Seattle metropolitan area | |
|---|---|
| Seattle–Tacoma–Bellevue, WA MSA | |
Aerial view of Downtown Seattle, 2025 | |
Map of the Seattle metropolitan statistical area (MSA), highlighted in teal; the Seattle Combined Statistical Area (CSA) is highlighted in gold | |
| Coordinates: 47°29′N 121°50′W / 47.49°N 121.83°W | |
| Country | United States |
| State | Washington |
| Counties (MSA) | King, Pierce, Snohomish |
| Largest city | Seattle (762,500) |
| Other cities | |
| Government | |
| • Congressional districts | 1st, 2nd, 6th, 7th, 8th, 9th, 10th |
| Area | |
• Total | 6,308.67 sq mi (16,339.4 km2) |
| • Land | 5,869.72 sq mi (15,202.5 km2) |
| • Water | 438.95 sq mi (1,136.9 km2) |
| Highest elevation | 14,409 ft (4,392 m) |
| Lowest elevation | 0 ft (0 m) |
| Population (2020) | |
• Total | 4,018,762 |
• Estimate (2024) | 4,145,494 |
| • Rank | 15th in the U.S. |
| • Density | 685/sq mi (264/km2) |
| GDP | |
| • MSA | $604.065 billion (2024) |
| Time zone | UTC−8 (Pacific (PST)) |
| • Summer (DST) | UTC−7 (PDT) |
| ZIP Code prefixes | 980, 981, 982, 983, 984 |
| Area codes | 206, 253, 360, 425, 564 |
| FIPS code | 53-42660 |
The Seattle metropolitan area is an urban conglomeration in the U.S. state of Washington that comprises Seattle, its surrounding satellites and suburbs. The United States Census Bureau defines the Seattle–Tacoma–Bellevue, WA metropolitan statistical area as the three most populous counties in the state: King, Pierce, and Snohomish. Seattle has the 15th largest metropolitan statistical area (MSA) in the United States with a population of 4,018,762 as of the 2020 census, over half of Washington's total population.
The area is considered part of the greater Puget Sound region, which largely overlaps with the Seattle Combined Statistical Area (CSA). The Seattle metropolitan area is home to a large tech industry and is the headquarters of several major companies, including Microsoft and Amazon. The area's geography is varied and includes the lowlands around Puget Sound and the Cascade Mountains; the highest peak in the metropolitan area is Mount Rainier, which has a summit elevation of 14,411 feet (4,392 m) and is one of the tallest mountains in the United States.