King County, WA Demographics & ZIP Codes
King County, Washington demographics and median household income by ZIP code — 86 ZIP codes — population 2,274,423 — avg. income $131,587 — avg. home value $861,573. Compare income, housing, and ZIP-level data on US5.
King County demographics
King County, Washington covers 86 ZIP codes, with a combined ZIP-area population of about 2,274,423.
Median household income in King County
The average median household income across ZIP codes in King County, Washington is about $131,587 — about 51% above the WA ZIP average ($87,083), and about 75% above the U.S. median ($75,149).
Among ZIPs with income data, 98075 (Sammamish) is near the top at about $250,001, while 98288 (Skykomish) is near the bottom at about $59,583.
Housing in King County
For housing in King County, Washington, the average median home value is about $861,573 and the average median rent is about $1,933.
The most populous ZIP is 98052 (Redmond) with about 79,074 residents. Use the table below to compare ZIP codes across the county.
ZIP codes in King County
Sort by population, income, or home value. Click a column header to toggle ascending / descending.
| ZIP | City | County | State | Population ↓ | Income | Home value |
|---|---|---|---|---|---|---|
| 98052 | Redmond | King County | WA | 79,074 | $164,848 | $1,107,900 |
| 98115 | Seattle | King County | WA | 54,248 | $148,190 | $1,041,500 |
| 98133 | Shoreline | King County | WA | 52,620 | $92,371 | $719,100 |
| 98003 | Federal Way | King County | WA | 52,210 | $70,800 | $428,500 |
| 98103 | Seattle | King County | WA | 51,988 | $127,372 | $1,012,900 |
| 98034 | Kirkland | King County | WA | 51,836 | $128,974 | $875,200 |
| 98092 | Auburn | King County | WA | 50,510 | $116,614 | $594,800 |
| 98023 | Federal Way | King County | WA | 49,593 | $101,960 | $545,600 |
| 98118 | Seattle | King County | WA | 49,560 | $109,085 | $746,400 |
| 98105 | Seattle | King County | WA | 49,229 | $78,691 | $1,261,100 |
| 98042 | Lake Morton-Berrydale | King County | WA | 48,594 | $125,554 | $613,000 |
| 98125 | Seattle | King County | WA | 43,807 | $96,725 | $844,500 |
| 98122 | Seattle | King County | WA | 42,001 | $106,479 | $929,400 |
| 98058 | Fairwood | King County | WA | 41,980 | $111,045 | $627,200 |
| 98059 | East Renton Highlands | King County | WA | 41,639 | $134,336 | $809,800 |
| 98031 | Kent | King County | WA | 40,898 | $101,458 | $552,300 |
| 98006 | Bellevue | King County | WA | 40,770 | $197,344 | $1,233,500 |
| 98033 | Kirkland | King County | WA | 40,662 | $174,005 | $1,259,900 |
| 98032 | Kent | King County | WA | 40,150 | $77,413 | $473,000 |
| 98198 | Des Moines | King County | WA | 39,815 | $83,938 | $527,100 |
| 98004 | Bellevue | King County | WA | 39,435 | $176,367 | $2,000,001 |
| 98030 | Kent | King County | WA | 38,492 | $91,218 | $540,100 |
| 98038 | Hobart | King County | WA | 37,868 | $144,733 | $714,100 |
| 98002 | Auburn | King County | WA | 37,284 | $77,714 | $397,700 |
| 98056 | Renton | King County | WA | 36,872 | $108,596 | $726,300 |
| 98001 | Auburn | King County | WA | 36,041 | $107,218 | $538,800 |
| 98155 | Shoreline | King County | WA | 35,906 | $131,911 | $758,000 |
| 98117 | Seattle | King County | WA | 35,147 | $182,500 | $1,028,100 |
| 98168 | Tukwila | King County | WA | 34,814 | $84,937 | $500,600 |
| 98144 | Seattle | King County | WA | 33,048 | $94,051 | $890,400 |
| 98109 | Seattle | King County | WA | 32,552 | $130,845 | $986,000 |
| 98029 | Issaquah | King County | WA | 30,930 | $164,058 | $964,400 |
| 98074 | Sammamish | King County | WA | 30,850 | $234,013 | $1,211,700 |
| 98106 | Seattle | King County | WA | 28,889 | $115,529 | $666,800 |
| 98107 | Seattle | King County | WA | 28,390 | $137,748 | $924,900 |
| 98027 | Mirrormont | King County | WA | 28,335 | $150,000 | $976,400 |
| 98011 | Bothell | King County | WA | 28,250 | $127,445 | $888,000 |
| 98146 | Burien | King County | WA | 28,182 | $108,460 | $642,300 |
| 98116 | Seattle | King County | WA | 28,091 | $130,504 | $917,000 |
| 98008 | Bellevue | King County | WA | 27,138 | $175,242 | $1,130,000 |
| 98007 | Bellevue | King County | WA | 26,838 | $126,814 | $934,600 |
| 98188 | Tukwila | King County | WA | 26,769 | $76,559 | $452,900 |
| 98102 | Seattle | King County | WA | 26,583 | $114,395 | $988,700 |
| 98119 | Seattle | King County | WA | 26,390 | $125,021 | $1,032,500 |
| 98178 | Bryn Mawr-Skyway | King County | WA | 25,929 | $93,786 | $628,200 |
| 98040 | Mercer Island | King County | WA | 25,282 | $202,359 | $1,884,200 |
| 98075 | Sammamish | King County | WA | 25,231 | $250,001 | $1,457,900 |
| 98072 | Cottage Lake | King County | WA | 24,922 | $174,599 | $1,067,000 |
| 98055 | Renton | King County | WA | 24,851 | $100,207 | $561,600 |
| 98108 | Seattle | King County | WA | 24,430 | $90,806 | $693,500 |
| 98112 | Seattle | King County | WA | 23,961 | $162,073 | $1,407,400 |
| 98028 | Kenmore | King County | WA | 23,594 | $137,926 | $869,800 |
| 98053 | Union Hill-Novelty Hill | King County | WA | 22,838 | $179,912 | $1,155,500 |
| 98199 | Seattle | King County | WA | 22,751 | $176,729 | $1,160,000 |
| 98126 | Seattle | King County | WA | 22,433 | $114,030 | $751,900 |
| 98022 | Enumclaw | King County | WA | 22,135 | $116,613 | $577,200 |
| 98166 | Burien | King County | WA | 22,001 | $112,191 | $785,700 |
| 98005 | Bellevue | King County | WA | 21,929 | $158,396 | $1,373,000 |
| 98121 | Seattle | King County | WA | 20,904 | $148,974 | $796,600 |
| 98177 | Shoreline | King County | WA | 20,506 | $162,607 | $995,700 |
| 98136 | Seattle | King County | WA | 17,299 | $153,636 | $900,000 |
| 98101 | Seattle | King County | WA | 16,396 | $128,143 | $741,400 |
| 98065 | Snoqualmie | King County | WA | 16,061 | $182,132 | $890,300 |
| 98104 | Seattle | King County | WA | 15,870 | $61,866 | $663,000 |
| 98045 | North Bend | King County | WA | 15,705 | $161,897 | $845,700 |
| 98077 | Cottage Lake | King County | WA | 14,407 | $179,625 | $1,131,500 |
| 98057 | Renton | King County | WA | 12,151 | $68,097 | $606,500 |
| 98019 | Duvall | King County | WA | 11,712 | $156,003 | $746,500 |
| 98070 | Vashon | King County | WA | 10,424 | $115,750 | $717,700 |
| 98148 | Burien | King County | WA | 10,399 | $86,994 | $576,400 |
| 98014 | Lake Marcel-Stillwater | King County | WA | 7,681 | $157,680 | $849,500 |
| 98047 | Pacific | King County | WA | 6,900 | $102,723 | $431,300 |
| 98010 | Black Diamond | King County | WA | 6,351 | $148,692 | $793,300 |
| 98024 | Fall City | King County | WA | 4,632 | $152,726 | $1,005,100 |
| 98051 | Ravensdale | King County | WA | 3,555 | $114,868 | $702,500 |
| 98039 | Medina | King County | WA | 2,889 | $249,688 | $2,000,001 |
| 98195 | Seattle | King County | WA | 2,471 | — | — |
| 98134 | Seattle | King County | WA | 779 | $66,119 | $385,300 |
| 98164 | Seattle | King County | WA | 235 | $250,001 | $714,600 |
| 98288 | Skykomish | King County | WA | 201 | $59,583 | $442,300 |
| 98224 | Baring | King County | WA | 192 | $86,477 | $604,700 |
| 98050 | — | King County | WA | 87 | — | — |
| 98025 | — | King County | WA | 51 | — | — |
| 98154 | Seattle | King County | WA | — | — | — |
| 98158 | SeaTac | King County | WA | — | — | — |
| 98174 | Seattle | King County | WA | — | — | — |
Frequently asked questions
What are the demographics of King County?
King County, Washington has a combined ZIP-area population of about 2,274,423 across 86 ZIP codes. Browse the ZIP table for population, income, and housing by code.
What is the median household income in King County?
The average median household income across ZIP codes in King County, Washington is about $131,587, about 51% above the state ZIP average ($87,083), and about 75% above the U.S. median ($75,149). Average median home value is about $861,573. Among ZIPs with data, 98075 (Sammamish) is near the top ($250,001) and 98288 (Skykomish) is near the bottom ($59,583).
How many ZIP codes are in King County?
King County, Washington includes 86 ZIP codes on US5. Each row links to demographics, median income, and housing for that code.
Where can I find ZIP code demographics for King County?
This page lists ZIP codes in King County, Washington with population, median household income, and home value. Select a ZIP for a full demographics profile.