WA-List » King County

King County

FACT SHEET

  • Name origin: Named for Martin Luther King, Jr. (1929-68), American civil rights leader.
  • Established: 1852 Dec 22
  • County seat: Seattle
  • County government website
  • Upcoming events in Seattle and the rest of King County (via WA-List’s events calendar)
  • Population (2010): 1,931,249 (Rank: 1 of 39)
  • Area (2010): 2,115.57 square miles (Rank: 11 of 39)
  • Density (2010): 912.9 people per square miles (Rank: 1 of 39)
  • Highest elevation: 7,960 feet, Mount Daniel. (This is the highpoint for both King and Kittitas counties.)

Cities and Towns Population Area Density Elevation Zip code
(sq miles) (pop/sq miles) (feet)
1. Seattle city 608,660 83.94 7,250.9 18 981**
2. Bellevue city 122,363 31.97 3,827.7 148 980**
3. Kent city 92,411 28.63 3,228.3 232 980**
4. Renton city 90,927 23.12 3,933.0 40 980**
5. Federal Way city 89,306 22.26 4,011.9 25 980**
6. Auburn 1 city 70,180 29.62 2,369.3 90 980**
7. Redmond city 54,144 16.28 3,325.0 50 980**
8. Shoreline city 53,007 11.67 4,540.6 375 981**
9. Kirkland city 48,707 10.79 4,522.8 500 980**
10. Sammamish city 45,780 18.22 2,512.2 600
11. Bothell 2 city 33,505 12.12 2,765.6 317 980**
12. Burien city 33,313 7.42 4,489.6 75 981**
13. Issaquah city 30,434 11.38 2,675.0 55 980**
14. Des Moines city 29,673 6.50 4,564.4 30 981**
15. SeaTac city 26,909 10.03 2,682.9 300 981**
16. Mercer Island city 22,699 6.32 3,591.0 15 98040
17. Maple Valley city 22,684 5.72 3,965.7 500 98038
18. Kenmore city 20,460 6.15 3,326.8 50 98028
19. Tukwila city 19,107 9.17 2,084.1 100 981**
20. Covington city 17,575 5.86 2,998.1 400
21. Lake Forest Park city 12,598 3.53 3,568.8 15 98155
22. Woodinville city 10,938 5.60 1,952.2 300 980**
23. Snoqualmie city 10,670 6.40 1,666.1 422 98065
24. Enumclaw 1 city 10,669 4.26 2,503.3 750 98022
25. Newcastle city 10,380 4.45 2,334.2
Milton 1 6,968 See Pierce County
26. Duvall city 6,695 2.47 2,713.8 50 98019
27. Pacific 1 city 6,606 2.42 2,727.5 81 98047
28. Normandy Park city 6,335 2.52 2,513.9 100 981**
29. North Bend city 5,731 4.27 1,343.1 440 98045
30. Black Diamond city 4,151  6.01 690.7 600 98010
31. Algona city 3,014  1.29  2,336.4 70 98001
32. Clyde Hill city 2,984  1.06  2,815.1 375 98004
33. Medina city 2,969  1.44  2,061.8 40 98039
34. Carnation city 1,786  1.16  1,539.7 75 98014
35. Yarrow Point town 1,001 0.36  2,780.6 35
36. Hunts Point town 394  0.29  1,358.6 148 98004
37. Beaux Arts Village town 299  0.08  3,737.5 50 98004
38. Skykomish town 198  0.31  638.7 926 98288

1 Auburn, Enumclaw, Milton, and Pacific span the King-Pierce county lines. Most of Auburn, Enumclaw, and Pacific are in King County and are thus listed here. Milton is mostly in Pierce County so it is listed there.
2 Bothell spans the King-Snohomish county lines. Most of it is in King County and is thus listed here.

Unincorporated communities (CDPs)  among the 20 largest in the state (with 2010 population):

  • East Hill-Meridian, 29,878
  • Inglewood-Finn Hill, 22,707
  • Cottage Lake, 22,494
  • Seattle Hill-Silver Firs. 20,891
  • Cascade-Fairwood, 19,102
  • Union Hill-Novelty Hill, 18,805

 


Additional facts

  • King County has the largest population in Washington. It also has the largest population density.
  • Seattle is the most populated city in the state. Other King County cities in the Top 25: Bellevue is 5th, Kent 7th, Renton 9th, Federal Way 11th, Auburn 14th, Redmond 18th, Shoreline 19th, Kirkland 20th, Sammamish 23rd.
  • Seattle has the largest land area of any city in Washington. Bellevue has the 8th, Auburn 10th.
  • Seattle has the greatest population density of any Washington city. Des Moines is 5th, Shoreline 6th, Kirkland 7th, Burien 8th.
  • Skykomish is the 2nd smallest town in western Washington by population. (It’s 13th smallest in the state.)
  • Vashon-Maury Island is the 6th largest island in the state (37 square miles).
  • Lake Washington is the 2nd largest natural lake in the state by surface area (22,138 acres) and 2nd largest by volume. (It is surpassed on both lists by only Lake Chelan.) Lake Sammamish is the 7th largest natural lake in the state by surface area (4,900 acres).

Notes

  • This page is updated periodically in an effort to keep information accurate and offer additional data.
  • = link to map
  • All population and area data are from the 2010 United States Census. All population density figures for cities greater than 5,000 people are as well. Densities of smaller towns and cities were calculated separately using US Census data.
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