Seattle metropolitan area

Seattle metropolitan area
Seattle–Tacoma–Bellevue, WA MSA
Downtown Seattle as seen from Kerry Park in October 2019
Downtown Seattle as seen from Kerry Park in October 2019
Map of Washington state with the Seattle metropolitan area and combined statistical area highlighted
Map of the Seattle MSA, highlighted in teal; the Seattle CSA is highlighted in gold
Coordinates: 47°29′N 121°50′W / 47.49°N 121.83°W / 47.49; -121.83
Country United States
State Washington
Counties (MSA)King, Pierce, Snohomish
Largest citySeattle (762,500)
Other cities
Government
 • Congressional districts1st, 2nd, 6th, 7th, 8th, 9th, 10th
Area
 • Total6,308.67 sq mi (16,339.4 km2)
 • Land5,869.72 sq mi (15,202.5 km2)
 • Water438.95 sq mi (1,136.9 km2)
Highest elevation
Mount Rainier
14,411 ft (4,392 m)
Lowest elevation
Sea level
0 ft (0 m)
Population
 • Total4,018,762
 • Estimate 
(2023)[3]
4,044,837
 • Rank15th in the U.S.
 • Density685/sq mi (264/km2)
GDP
 • MSA$517.803 billion (2022)
Time zoneUTC−8 (Pacific (PST))
 • Summer (DST)UTC−7 (PDT)
ZIP Code prefixes[5]
980, 981, 982, 983, 984
Area codes206, 253, 360, 425, 564
FIPS code[6]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.

  1. ^ "2020 Gazetteer Files: Core Based Statistical Areas". United States Census Bureau. October 28, 2021. Retrieved January 26, 2024.
  2. ^ Cite error: The named reference Census2020-DP1 was invoked but never defined (see the help page).
  3. ^ Cite error: The named reference CBSA-Estimates was invoked but never defined (see the help page).
  4. ^ "Total Gross Domestic Product for Seattle-Tacoma-Bellevue, WA (MSA)". Federal Reserve Economic Data. Federal Reserve Bank of St. Louis. December 18, 2023. Retrieved January 26, 2024.
  5. ^ "3-Digit ZIP Code Prefix Matrix". United States Postal Service. Retrieved January 26, 2024.
  6. ^ "List 1: FIPS Metropolitan Area (CBSA) Codes" (PDF). United States Census Bureau. 2015. p. 6. Retrieved January 26, 2024.