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.
- 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 zone | Local time and UTC offset | Next clock change |
|---|---|---|
| Pacific TimeAmerica/Los_Angeles | UTC-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
- 9805280,717 people
- 9811554,349 people
- 9813353,249 people
- 9810352,671 people
- 9803452,531 people
- 9800351,619 people
- 9811850,500 people
- 9802350,448 people
- 9809250,224 people
- 9804250,216 people
- 9810549,767 people
- 9812544,520 people
All 89
- 9812243,234 people
- 9805842,980 people
- 9805942,406 people
- 9803340,982 people
- 9803240,862 people
- 9819840,463 people
- 9803140,094 people
- 9800640,009 people
- 9800439,897 people
- 9803038,523 people
- 9800237,509 people
- 9800137,460 people
- 9803837,324 people
- 9815536,511 people
- 9805635,849 people
- 9811735,711 people
- 9816835,528 people
- 9810934,328 people
- 9814433,787 people
- 9807430,761 people
- 9802930,586 people
- 9801128,963 people
- 9802728,955 people
- 9810728,776 people
- 9811628,711 people
- 9810628,690 people
- 9814628,573 people
- 9800727,692 people
- 9810227,333 people
- 9818827,311 people
- 9800827,242 people
- 9811926,879 people
- 9817826,748 people
- 9810825,529 people
- 9807525,498 people
- 9804025,307 people
- 9805524,660 people
- 9807224,446 people
- 9811223,921 people
- 9802823,741 people
- 9812622,975 people
- 9805322,765 people
- 9819922,468 people
- 9802222,418 people
- 9816622,082 people
- 9800521,846 people
- 9842221,644 people
- 9812121,166 people
- 9817721,090 people
- 9813617,252 people
- 9810117,153 people
- 9810416,542 people
- 9806515,944 people
- 9804515,289 people
- 9807714,109 people
- 9805712,705 people
- 9801912,242 people
- 980709,934 people
- 981489,715 people
- 983548,597 people
- 980148,264 people
- 980106,857 people
- 980476,817 people
- 980243,908 people
- 980513,442 people
- 980392,928 people
- 981952,757 people
- 98134645 people
- 98068482 people
- 98164292 people
- 98224190 people
- 98288169 people
- 98050108 people
- 9802552 people
- 981540 people
- 981580 people
- 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
- Seattle Public Schools754,696 people
- Lake Washington School District218,868 people
- Kent School District177,175 people
- Northshore School District154,487 people
- Federal Way School District150,308 people
- Bellevue School District148,644 people
- Highline School District136,437 people
- Renton School District129,297 people
- Issaquah School District119,723 people
- Auburn School District100,743 people
- Shoreline School District74,698 people
- Tahoma School District43,830 people
All 20
- Snoqualmie Valley School District39,250 people
- Enumclaw School District28,659 people
- Mercer Island School District25,307 people
- Fife Public Schools23,938 people
- Riverview School District22,695 people
- Tukwila School District20,666 people
- Vashon Island School District9,934 people
- 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
- Muckleshoot Reservation and Off-Reservation Trust Land3,985 people
- 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.
- Seattle, Washington (city)754,195 people
- Bellevue, Washington (city)151,847 people
- Kent, Washington (city)135,603 people
- Renton, Washington (city)105,317 people
- Federal Way, Washington (city)99,493 people
- Kirkland, Washington (city)92,621 people
- Auburn, Washington (city)85,676 people
- Redmond, Washington (city)77,353 people
- Sammamish, Washington (city)66,463 people
- Shoreline, Washington (city)61,431 people
- Burien, Washington (city)51,513 people
- Bothell, Washington (city)49,610 people
All 63
- Issaquah, Washington (city)39,591 people
- Des Moines, Washington (city)32,823 people
- SeaTac, Washington (city)32,414 people
- Maple Valley, Washington (city)28,287 people
- Mercer Island, Washington (city)25,307 people
- Kenmore, Washington (city)23,741 people
- Union Hill-Novelty Hill, Washington (CDP)23,047 people
- Cottage Lake, Washington (CDP)22,518 people
- Tukwila, Washington (city)21,451 people
- Covington, Washington (city)21,233 people
- Fairwood, King County, Washington (CDP)17,856 people
- Bryn Mawr-Skyway, Washington (CDP)17,638 people
- Lakeland North, Washington (CDP)15,950 people
- White Center, Washington (CDP)14,886 people
- Snoqualmie, Washington (city)13,798 people
- Woodinville, Washington (city)13,438 people
- Lake Forest Park, Washington (city)13,335 people
- 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.
- Pierce County, Washington34 mi southwest
- Snohomish County, Washington39 mi north
- Kitsap County, Washington39 mi west
- Kittitas County, Washington60 mi southeast
- Chelan County, Washington62 mi northeast
- 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.
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.
- Greenwater, Washington (CDP)
- Buckley, Washington (city)
- Sumner, Washington (city)
- Lake Tapps, Washington (CDP)
- Snoqualmie Pass, Washington (CDP)
- Edgewood, Washington (city)
- Tacoma, Washington (city)
- Fife Heights, Washington (CDP)
- Dash Point, Washington (CDP)
- Bainbridge Island, Washington (city)
- Woodway, Washington (city)
- Mountlake Terrace, Washington (city)
- Maltby, Washington (CDP)
- Edmonds, Washington (city)
- ZIP 98321
- ZIP 98391
- ZIP 98937
- ZIP 98922
- ZIP 98940
- ZIP 98925
- ZIP 98826
- ZIP 98043
- ZIP 98020
- ZIP 98026
- ZIP 98036
- ZIP 98256
- ZIP 98294
- ZIP 98272
- ZIP 98251