Seattle Metropolitan Area
Seattle metropolitan area
Map of Seattle metropolitan area
A map of the Seattle MSA. The Seattle MSA is highlighted in teal, the CSA in navy blue.
Coordinates: 47°44?N 122°19?W / 47.74°N 122.32°W / 47.74; -122.32
Country United States
State(s) Washington
Largest city Seattle (668,342)
Other cities  - Tacoma (205,159)
 - Bellevue (136,426)
 - Kent (125,560)
 - Everett (106,736)
 o Total 5,872.35 sq mi (15,209.3 km2)
Highest elevation 14,411 ft (4,392 m)
Lowest elevation 0 ft (0 m)
 o Total 3,798,902
 o Rank 15th in the U.S.
 o Density 647/sq mi (250/km2)

The Seattle metropolitan area is located in the U.S. state of Washington and includes the three most populous counties--King, Snohomish, and Pierce--within the greater Puget Sound region. The United States Census Bureau officially defines the metropolitan area as the Seattle-Tacoma-Bellevue, WA Metropolitan Statistical Area, with an estimated population of 3,798,902, which is slightly more than half of Washington's population as of 2016,[1] making it the 15th largest Metropolitan Statistical Area in the United States.

As defined by the United States Census Bureau, the Seattle metropolitan area is made up of the following (see Fig. STB):

Based on commuting patterns, the adjacent metropolitan areas of Olympia, Bremerton, and Mount Vernon, along with a few smaller satellite urban areas, are grouped together in a wider labor market region known as the Seattle-Tacoma-Olympia Combined Statistical Area (CSA) (See Figure STO), commonly known as the Puget Sound region. The population of this wider region is 4,684,516--roughly two-thirds of Washington's population--as of 2016.[2] The Seattle CSA is the 12th largest CSA, and the 13th largest primary census statistical area in the country. The additional metropolitan and micropolitan areas included are:

Census statistics

As of the 2010 census, there were 3,439,809 people, 1,357,475 households, and 845,966 families residing within the MSA. The racial makeup of the MSA were as followed:[3][4]

In 2010 the median income for a household in the MSA was $63,088 and the median income for a family was $76,876. The per capita income was $32,401.[5]

Map of southeast Seattle Metro towns
County 2016 Estimate 2010 Census Change Area Density
King County 2,149,970 1,931,249 +11.33% 2,115.56 sq mi (5,479.3 km2) 1,016/sq mi (392/km2)
Pierce County 861,312 795,225 +8.31% 1,669.51 sq mi (4,324.0 km2) 516/sq mi (199/km2)
Snohomish County 787,620 713,335 +10.41% 2,087.27 sq mi (5,406.0 km2) 377/sq mi (146/km2)
Total 3,798,902 3,439,809 +10.44% 5,872.34 sq mi (15,209.3 km2) 586/sq mi (226/km2)


According to the Pew Research Center's 2014 U.S. Religious Landscape Study, the Seattle metropolitan area's religious affiliation is as follows:[6]

  • Christian: 52%
    • Protestant Christian: 34%
    • Catholic Christian: 15%
    • Other Christian: 3%
  • Non-Christian faiths: 10%
    • Judaism: 1%
    • Islam: Less than 1%
    • Buddhist: 2%
    • Hindu: 2%
    • Other faiths: 4%
  • Unaffiliated: 37%
  • Don't Know: 1%




Major airports

Major highways

Mass transit


  This article uses material from the Wikipedia page available here. It is released under the Creative Commons Attribution-Share-Alike License 3.0.



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