Most Expensive Cities in Washington

Most expensive cities in Washington (population > 5,000) ranked by cost of living index.

Data current as of September 2026. Sources: US Census Bureau, Zillow, HUD, BEA.

#	City	Cost Index	Income	Rent	Population
1	Mercer Island	269	$202,359	$2,464/mo	25,282
2	Sammamish	224	$227,273	$2,728/mo	66,375
3	Union Hill-Novelty Hill	214	$181,820	$2,597/mo	23,272
4	Bellevue	214	$161,300	$2,505/mo	151,199
5	Snoqualmie	209	$197,531	$3,090/mo	13,750
6	Cottage Lake	207	$197,331	$2,374/mo	23,170
7	Newcastle	202	$162,646	$2,314/mo	12,945
8	Tehaleh	200	$136,454	$3,385/mo	6,769
9	Redmond	200	$162,099	$2,343/mo	75,721
10	Mill Creek East	200	$183,466	$3,013/mo	25,461
11	Woodinville	195	$158,723	$2,352/mo	13,440
12	Kirkland	194	$143,533	$2,342/mo	91,614
13	Bothell East	191	$189,519	$2,181/mo	14,487
14	Issaquah	191	$153,786	$2,484/mo	39,472
15	Silver Firs	191	$153,026	$2,853/mo	21,796
16	Woods Creek	190	$145,773	$3,000/mo	7,027
17	Brier	190	$138,256	$2,727/mo	6,507
18	Bainbridge Island	189	$159,882	$2,081/mo	24,607
19	Hobart	183	$149,635	$2,307/mo	6,841
20	Lake Forest Park	182	$158,868	$2,205/mo	13,356
21	Duvall	181	$178,821	$2,602/mo	8,279
22	Bothell	181	$132,232	$2,295/mo	48,610
23	East Renton Highlands	179	$140,048	$2,697/mo	12,241
24	Bothell West	179	$144,941	$2,552/mo	21,014
25	North Bend	175	$180,663	$1,943/mo	7,745
26	Seattle	175	$121,984	$1,998/mo	741,440
27	Mill Creek	175	$121,578	$2,197/mo	20,846
28	Black Diamond	174	$144,728	$2,340/mo	5,678
29	Maltby	173	$179,276	$1,928/mo	10,859
30	Mukilteo	172	$122,612	$2,127/mo	21,312
31	Normandy Park	171	$144,821	$1,781/mo	6,659
32	Picnic Point	171	$128,295	$2,306/mo	9,833
33	Kenmore	170	$137,926	$1,944/mo	23,594
34	Wollochet	168	$148,716	$2,013/mo	6,905
35	Edmonds	164	$116,095	$1,850/mo	42,783
36	Artondale	162	$156,908	$2,121/mo	14,051
37	Felida	162	$150,430	$2,363/mo	10,695
38	Eastmont	161	$139,346	$2,128/mo	23,486
39	Maple Valley	161	$147,546	$2,189/mo	28,121
40	Shoreline	160	$113,336	$1,938/mo	59,280
41	Martha Lake	160	$132,130	$2,014/mo	22,740
42	Gig Harbor	159	$106,042	$2,097/mo	12,202
43	Fairwood CDP (King County)	159	$119,013	$2,152/mo	18,437
44	Lake Tapps	157	$145,250	$2,004/mo	12,360
45	Ridgefield	156	$117,550	$2,324/mo	12,576
46	Covington	155	$126,730	$2,220/mo	20,957
47	Lake Stevens	155	$118,290	$2,189/mo	39,500
48	Maplewood	153	$129,659	$1,970/mo	5,766
49	Bonney Lake	152	$131,524	$2,212/mo	22,776
50	DuPont	152	$114,423	$2,230/mo	9,952

See also: Cheapest Cities in Washington · Washington Overview