There are 86 zip codes in King County, Washington. The most populated is 98052, located in Redmond. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
City
Population
98052Redmond77,324
98115Seattle54,457
98034Kirkland52,636
98103Seattle51,878
98003Federal Way51,329
98133Seattle50,921
98023Federal Way50,778
98092Auburn50,679
98105Seattle50,302
98042Kent49,338
98118Seattle48,874
98125Seattle43,993
98058Renton42,046
98059Renton41,619
98031Kent41,615
98122Seattle41,268
98033Kirkland40,425
98006Bellevue39,753
98004Bellevue39,161
98032Kent39,126
98198Seattle38,942
98030Kent38,798
98038Maple Valley37,877
98002Auburn36,812
98056Renton36,116
98117Seattle36,115
98001Auburn35,842
98155Seattle35,550
98168Seattle35,050
98144Seattle32,540
98109Seattle32,251
98029Issaquah31,227
98074Sammamish31,026
98106Seattle28,243
98107Seattle28,170
98146Seattle28,088
98027Issaquah27,915
98116Seattle27,871
98011Bothell27,573
98007Bellevue27,571
98188Seattle27,523
98008Bellevue27,060
98178Seattle26,760
98119Seattle25,906
98102Seattle25,827
98040Mercer Island25,464
98075Sammamish25,202
98072Woodinville25,034
98055Renton24,429
98108Seattle23,762
98028Kenmore23,611
98112Seattle23,456
98053Redmond22,765
98166Seattle22,418
98199Seattle22,359
98022Enumclaw22,163
98005Bellevue22,030
98177Seattle21,114
98126Seattle21,102
98121Seattle20,562
98136Seattle17,420
98101Seattle16,302
98065Snoqualmie15,960
98045North Bend15,412
98104Seattle15,052
98077Woodinville14,287
98057Renton12,774
98019Duvall11,281
98070Vashon10,939
98148Seattle10,652
98014Carnation7,626
98047Pacific7,014
98010Black Diamond6,128
98024Fall City5,066
98051Ravensdale3,827
98039Medina2,923
98195Seattle2,398
98134Seattle852
98164Seattle239
98224Baring220
98288Skykomish180
98050Preston73
98174Seattle0
98158Seattle0
98154Seattle0
98025Hobart0
showing: 86 rows

King County, Washington Zip Codes by Population (2024)