King County, Washington

King County, Washington, has 2,344,939 residents (July 2025 estimate). Its county seat is Seattle. It uses Pacific Time and covers 2,116 sq mi (5,480 km²) of land.

SeattleSpokaneTacoma
King County in Washington
Kitsap CountyBellevueKentRentonFederal Way
King County and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
2,344,939
Land area
2,116 sq mi (5,480 km²)
County seat or government
Seattle
Time zone
Pacific TimeUTC-08:00 in January; UTC-07:00 in July
Median household income
$124,746 ± $968
Median home value
$859,900 ± $4,853
Median rent, with utilities
$2,092 ± $13
Homes lived in by their owners
55.4% ± 0.4 points
County type
County
Metro or micro area
Seattle-Tacoma-Bellevue, WA metro areaCentral county
Water area
192 sq mi (496 km²)
State
Washington
County code (FIPS)
53033
Coordinates (central point)
47.490552, -121.833977

These coordinates mark a central point for the area, not a street address. Income, home value, rent and homes lived in by their owners: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, ± margin at 90% confidence; checked on October 13, 2026.

Time zones in King County

Time zoneLocal time and UTC offsetNext clock change
Pacific TimeAmerica/Los_AngelesUTC-08:00 in January; UTC-07:00 in July. Enable JavaScript for the live clock.Enable JavaScript for upcoming changes.

Near a time-zone line, check where you are with the time-zone finder. Your phone’s setting can differ.

ZIP Code areas, largest first

  1. 9805280,717 people
  2. 9811554,349 people
  3. 9813353,249 people
  4. 9810352,671 people
  5. 9803452,531 people
  6. 9800351,619 people
  7. 9811850,500 people
  8. 9802350,448 people
  9. 9809250,224 people
  10. 9804250,216 people
  11. 9810549,767 people
  12. 9812544,520 people
All 89
  1. 9812243,234 people
  2. 9805842,980 people
  3. 9805942,406 people
  4. 9803340,982 people
  5. 9803240,862 people
  6. 9819840,463 people
  7. 9803140,094 people
  8. 9800640,009 people
  9. 9800439,897 people
  10. 9803038,523 people
  11. 9800237,509 people
  12. 9800137,460 people
  13. 9803837,324 people
  14. 9815536,511 people
  15. 9805635,849 people
  16. 9811735,711 people
  17. 9816835,528 people
  18. 9810934,328 people
  19. 9814433,787 people
  20. 9807430,761 people
  21. 9802930,586 people
  22. 9801128,963 people
  23. 9802728,955 people
  24. 9810728,776 people
  25. 9811628,711 people
  26. 9810628,690 people
  27. 9814628,573 people
  28. 9800727,692 people
  29. 9810227,333 people
  30. 9818827,311 people
  31. 9800827,242 people
  32. 9811926,879 people
  33. 9817826,748 people
  34. 9810825,529 people
  35. 9807525,498 people
  36. 9804025,307 people
  37. 9805524,660 people
  38. 9807224,446 people
  39. 9811223,921 people
  40. 9802823,741 people
  41. 9812622,975 people
  42. 9805322,765 people
  43. 9819922,468 people
  44. 9802222,418 people
  45. 9816622,082 people
  46. 9800521,846 people
  47. 9842221,644 people
  48. 9812121,166 people
  49. 9817721,090 people
  50. 9813617,252 people
  51. 9810117,153 people
  52. 9810416,542 people
  53. 9806515,944 people
  54. 9804515,289 people
  55. 9807714,109 people
  56. 9805712,705 people
  57. 9801912,242 people
  58. 980709,934 people
  59. 981489,715 people
  60. 983548,597 people
  61. 980148,264 people
  62. 980106,857 people
  63. 980476,817 people
  64. 980243,908 people
  65. 980513,442 people
  66. 980392,928 people
  67. 981952,757 people
  68. 98134645 people
  69. 98068482 people
  70. 98164292 people
  71. 98224190 people
  72. 98288169 people
  73. 98050108 people
  74. 9802552 people
  75. 981540 people
  76. 981580 people
  77. 981740 people

89 ZIP Code areas overlap King County. People counts are 2020–2024 estimates for each whole ZIP area. Mailing ZIPs can differ; check an address with USPS ZIP Code Lookup.

Official county information

King County government website ↗ is the next stop for county offices, tax, voting, jury and records information. A geographic lookup cannot determine eligibility, tax liability or a court obligation.

School districts in King County, largest first

  1. Seattle Public Schools754,696 people
  2. Lake Washington School District218,868 people
  3. Kent School District177,175 people
  4. Northshore School District154,487 people
  5. Federal Way School District150,308 people
  6. Bellevue School District148,644 people
  7. Highline School District136,437 people
  8. Renton School District129,297 people
  9. Issaquah School District119,723 people
  10. Auburn School District100,743 people
  11. Shoreline School District74,698 people
  12. Tahoma School District43,830 people
All 20
  1. Snoqualmie Valley School District39,250 people
  2. Enumclaw School District28,659 people
  3. Mercer Island School District25,307 people
  4. Fife Public Schools23,938 people
  5. Riverview School District22,695 people
  6. Tukwila School District20,666 people
  7. Vashon Island School District9,934 people
  8. Skykomish School District359 people

Districts with land in the county; a district can cross county lines. People counts are American Community Survey 2020–2024 5-year estimates. A district boundary doesn’t decide which school a student attends.

Tribal areas in King County, largest first

  1. Muckleshoot Reservation and Off-Reservation Trust Land3,985 people
  2. Snoqualmie Reservation and Off-Reservation Trust Land0 people

American Indian, Alaska Native and Native Hawaiian areas as the Census Bureau maps them, with at least 2% of their area here, water included. These lines don’t decide membership, jurisdiction or land status.

Cities, towns and communities, largest first

These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.

  1. Seattle, Washington (city)754,195 people
  2. Bellevue, Washington (city)151,847 people
  3. Kent, Washington (city)135,603 people
  4. Renton, Washington (city)105,317 people
  5. Federal Way, Washington (city)99,493 people
  6. Kirkland, Washington (city)92,621 people
  7. Auburn, Washington (city)85,676 people
  8. Redmond, Washington (city)77,353 people
  9. Sammamish, Washington (city)66,463 people
  10. Shoreline, Washington (city)61,431 people
  11. Burien, Washington (city)51,513 people
  12. Bothell, Washington (city)49,610 people
All 63
  1. Issaquah, Washington (city)39,591 people
  2. Des Moines, Washington (city)32,823 people
  3. SeaTac, Washington (city)32,414 people
  4. Maple Valley, Washington (city)28,287 people
  5. Mercer Island, Washington (city)25,307 people
  6. Kenmore, Washington (city)23,741 people
  7. Union Hill-Novelty Hill, Washington (CDP)23,047 people
  8. Cottage Lake, Washington (CDP)22,518 people
  9. Tukwila, Washington (city)21,451 people
  10. Covington, Washington (city)21,233 people
  11. Fairwood, King County, Washington (CDP)17,856 people
  12. Bryn Mawr-Skyway, Washington (CDP)17,638 people
  13. Lakeland North, Washington (CDP)15,950 people
  14. White Center, Washington (CDP)14,886 people
  15. Snoqualmie, Washington (city)13,798 people
  16. Woodinville, Washington (city)13,438 people
  17. Lake Forest Park, Washington (city)13,335 people
  18. Lakeland South, Washington (CDP)13,100 people

See all 63 cities, towns and communities in King County, largest first

Bordering areas, nearest first

Distances are straight lines between map points.

  1. Pierce County, Washington34 mi southwest
  2. Snohomish County, Washington39 mi north
  3. Kitsap County, Washington39 mi west
  4. Kittitas County, Washington60 mi southeast
  5. Chelan County, Washington62 mi northeast
  6. Yakima County, Washington88 mi southeast

Before using this answer on a form

Use a precise point for address-level questions. A device accuracy circle can cross a boundary; confirm tax, voting or jury details with the responsible office.

Find the county where you are now, check its ZIP area, or check the time zone where you are.

See this county on Census.gov ↗

Areas that only touch the edge

These areas meet the boundary only along a sliver. Most addresses here are not in them; for an address near the line, check with the county.