|
#
|
County
|
Type
|
Population
|
City
|
|
1
|
King
|
First Class (County Seat)
|
905,755
|
Seattle
|
|
2
|
Spokane
|
First Class (County Seat)
|
243,833
|
Spokane
|
|
3
|
Pierce
|
First Class (County Seat)
|
231,562
|
Tacoma
|
|
4
|
Clark
|
First Class (County Seat)
|
225,655
|
Vancouver
|
|
5
|
King
|
Code
|
162,838
|
Bellevue
|
|
6
|
King
|
Code
|
146,636
|
Kent
|
|
7
|
Snohomish
|
First Class (County Seat)
|
124,913
|
Everett
|
|
8
|
Spokane
|
Code
|
120,672
|
Spokane Valley
|
|
9
|
King
|
Code
|
111,245
|
Renton
|
|
10
|
King
|
Code
|
111,155
|
Kirkland
|
|
11
|
Whatcom
|
First Class (County Seat)
|
109,394
|
Bellingham
|
|
12
|
King
|
Code
|
104,910
|
Federal Way
|
|
13
|
Yakima
|
First Class (County Seat)
|
103,696
|
Yakima
|
|
14
|
Benton
|
Code
|
94,117
|
Kennewick
|
|
15
|
Franklin
|
First Class (County Seat)
|
93,796
|
Pasco
|
|
16
|
King, Pierce
|
Code
|
93,512
|
Auburn
|
|
17
|
King
|
Code
|
90,192
|
Redmond
|
|
18
|
Snohomish
|
Code
|
82,978
|
Marysville
|
|
19
|
Thurston
|
Code
|
77,142
|
Lacey
|
|
20
|
Benton
|
First Class
|
71,600
|
Richland
|
|
21
|
King
|
Code
|
70,755
|
Sammamish
|
|
22
|
King
|
Code
|
68,656
|
Shoreline
|
|
23
|
Pierce
|
Code
|
65,764
|
Lakewood
|
|
24
|
Thurston
|
Code (County Seat)
|
61,454
|
Olympia
|
|
25
|
Snohomish
|
Code
|
58,150
|
Lake Stevens
|
|
26
|
King
|
Code
|
54,042
|
Burien
|
|
27
|
King, Snohomish
|
Code
|
53,717
|
Bothell
|
|
28
|
Kitsap
|
Code
|
48,045
|
Bremerton
|
|
29
|
Snohomish
|
Code
|
47,456
|
Lynnwood
|
|
30
|
King
|
Code
|
45,007
|
Issaquah
|
|
31
|
Snohomish
|
Code
|
44,921
|
Edmonds
|
|
32
|
Pierce
|
Code
|
44,761
|
Puyallup
|
|
33
|
Cowlitz
|
Code
|
39,066
|
Longview
|
|
34
|
Pierce
|
Code
|
37,722
|
University Place
|
|
35
|
Skagit
|
Code (County Seat)
|
36,703
|
Mount Vernon
|
|
36
|
Chelan
|
Code (County Seat)
|
36,675
|
Wenatchee
|
|
37
|
Walla Walla
|
Code (County Seat)
|
35,060
|
Walla Walla
|
|
38
|
King
|
Code
|
34,376
|
Des Moines
|
|
39
|
Whitman
|
Code
|
33,537
|
Pullman
|
|
40
|
King
|
Code
|
32,961
|
Maple Valley
|
|
41
|
King
|
Code
|
32,598
|
SeaTac
|
|
42
|
Thurston
|
Code
|
31,681
|
Tumwater
|
|
43
|
Clark
|
Code
|
31,485
|
Camas
|
|
44
|
Snohomish
|
Code
|
31,382
|
Mountlake Terrace
|
|
45
|
Clark
|
Code
|
29,745
|
Ridgefield
|
|
46
|
Grant
|
Code
|
29,402
|
Moses Lake
|
|
47
|
Pierce
|
Code
|
27,750
|
Bonney Lake
|
|
48
|
Snohomish
|
Code
|
27,356
|
Arlington
|
|
49
|
Kitsap
|
Code
|
26,245
|
Bainbridge Island
|
|
50
|
King
|
Code
|
25,956
|
Mercer Island
|
|
51
|
King
|
Code
|
25,726
|
Tukwila
|
|
52
|
Clark
|
Code
|
25,411
|
Battle Ground
|
|
53
|
Island
|
Code
|
25,254
|
Oak Harbor
|
|
54
|
King
|
Code
|
25,178
|
Kenmore
|
|
55
|
King
|
Code
|
24,069
|
Covington
|
|
56
|
Snohomish
|
Code
|
23,742
|
Mill Creek
|
|
57
|
Kitsap
|
Second Class (County Seat)
|
23,159
|
Port Orchard
|
|
58
|
Benton
|
Code
|
22,475
|
West Richland
|
|
59
|
Snohomish
|
Code
|
22,263
|
Monroe
|
|
60
|
Snohomish
|
Code
|
21,746
|
Mukilteo
|
|
61
|
Kittitas
|
Code (County Seat)
|
21,209
|
Ellensburg
|
|
62
|
Clallam
|
Code (County Seat)
|
21,080
|
Port Angeles
|
|
63
|
Whatcom
|
Code
|
20,176
|
Ferndale
|
|
64
|
Skagit
|
Code
|
19,169
|
Anacortes
|
|
65
|
Lewis
|
Code
|
19,051
|
Centralia
|
|
66
|
Clark
|
Code
|
18,843
|
Washougal
|
|
67
|
Whatcom
|
Code
|
18,833
|
Lynden
|
|
68
|
Pierce
|
Code
|
17,379
|
Edgewood
|
|
69
|
Grays Harbor
|
First Class
|
17,281
|
Aberdeen
|
|
70
|
Yakima
|
Code
|
16,995
|
Sunnyside
|
|
71
|
Spokane
|
Code
|
16,591
|
Liberty Lake
|
|
72
|
Pierce
|
Code
|
16,153
|
Gig Harbor
|
|
73
|
King
|
Code
|
16,113
|
Woodinville
|
|
74
|
King
|
Code
|
15,637
|
Snoqualmie
|
|
75
|
King
|
Code
|
15,389
|
Newcastle
|
|
76
|
King, Pierce
|
Code
|
14,731
|
Enumclaw
|
|
77
|
Douglas
|
Code
|
14,366
|
East Wenatchee
|
|
78
|
Skagit
|
Code
|
14,337
|
Sedro-Woolley
|
|
79
|
King
|
Code
|
13,750
|
Lake Forest Park
|
|
80
|
Kitsap
|
Code
|
13,675
|
Poulsbo
|
|
81
|
King
|
Code
|
13,429
|
Black Diamond
|
|
82
|
Spokane
|
Code
|
12,875
|
Cheney
|
|
83
|
Spokane
|
Code
|
12,849
|
Airway Heights
|
|
84
|
Cowlitz
|
Code (County seat)
|
12,840
|
Kelso
|
|
85
|
Yakima
|
Code
|
12,270
|
Grandview
|
|
86
|
Skagit
|
Code
|
12,164
|
Burlington
|
|
87
|
Pierce
|
Code
|
11,603
|
Fife
|
|
88
|
Snohomish
|
Code
|
11,482
|
Sultan
|
|
89
|
Pierce
|
Code
|
11,337
|
Sumner
|
|
90
|
Thurston
|
Code
|
11,229
|
Yelm
|
|
91
|
Snohomish
|
Code
|
11,225
|
Stanwood
|
|
92
|
Snohomish
|
Code
|
10,942
|
Snohomish
|
|
93
|
Jefferson
|
Code (County Seat)
|
10,876
|
Port Townsend
|
|
94
|
Mason
|
Code (County Seat)
|
10,567
|
Shelton
|
|
95
|
Adams
|
Code
|
10,373
|
Othello
|
|
96
|
Pierce
|
Code
|
10,267
|
DuPont
|
|
97
|
King
|
Code
|
10,097
|
North Bend
|
|
98
|
King
|
Code
|
10,018
|
Duvall
|
|
99
|
Walla Walla
|
Code
|
9,854
|
College Place
|
|
100
|
Grant
|
Code
|
9,631
|
Quincy
|
|
101
|
Grant
|
Code (County Seat)
|
9,419
|
Ephrata
|
|
102
|
Grays Harbor
|
Code
|
9,375
|
Ocean Shores
|
|
103
|
Yakima
|
Code
|
9,341
|
Selah
|
|
104
|
Clallam
|
Code
|
9,328
|
Sequim
|
|
105
|
Pierce
|
Code
|
9,317
|
Orting
|
|
106
|
Yakima
|
Code
|
9,038
|
Toppenish
|
|
107
|
Grays Harbor
|
Code
|
8,852
|
Hoquiam
|
|
108
|
Pierce, King
|
Code
|
8,769
|
Milton
|
|
109
|
Benton
|
Code (County Seat)
|
7,594
|
Prosser
|
|
110
|
Whatcom
|
Code
|
7,588
|
Blaine
|
|
111
|
Pierce
|
Code
|
7,472
|
Fircrest
|
|
112
|
Asotin
|
Code
|
7,397
|
Clarkston
|
|
113
|
King, Pierce
|
Code
|
7,375
|
Pacific
|
|
114
|
Lewis
|
Code (County Seat)
|
7,283
|
Chehalis
|
|
115
|
Pierce
|
Town
|
7,119
|
Steilacoom
|
|
116
|
King
|
Code
|
7,047
|
Normandy Park
|
|
117
|
Yakima
|
Code
|
6,936
|
Union Gap
|
|
118
|
Pierce
|
Code
|
6,878
|
Buckley
|
|
119
|
Snohomish
|
Code
|
6,760
|
Brier
|
|
120
|
Cowlitz, Clark
|
Code
|
6,687
|
Woodland
|
|
121
|
Spokane
|
Code
|
6,551
|
Deer Park
|
|
122
|
Yakima
|
Code
|
6,162
|
Moxee
|
|
123
|
Snohomish
|
Code
|
5,750
|
Granite Falls
|
|
124
|
Okanogan
|
Code
|
5,340
|
Omak
|
|
125
|
Clark
|
Code
|
5,288
|
La Center
|
|
126
|
Chelan
|
Code
|
5,214
|
Chelan
|
|
127
|
Spokane
|
Code
|
5,038
|
Medical Lake
|
|
128
|
Stevens
|
Second Class (County Seat)
|
4,949
|
Colville
|
|
129
|
Benton
|
Code
|
4,803
|
Benton City
|
|
130
|
Yakima
|
Second Class
|
4,659
|
Wapato
|
|
131
|
Grant
|
Code
|
4,295
|
Mattawa
|
|
132
|
Yakima
|
Code
|
4,228
|
Granger
|
|
133
|
Grays Harbor
|
Code (County Seat)
|
3,946
|
Montesano
|
|
134
|
Whatcom
|
Code
|
3,876
|
Everson
|
|
135
|
Chelan
|
Code
|
3,676
|
Cashmere
|
|
136
|
Grays Harbor
|
Code
|
3,606
|
Elma
|
|
137
|
Klickitat
|
Code (County Seat)
|
3,581
|
Goldendale
|
|
138
|
Clallam
|
Code
|
3,575
|
Forks
|
|
139
|
Chelan
|
Code
|
3,571
|
Leavenworth
|
|
140
|
Franklin
|
Code
|
3,517
|
Connell
|
|
141
|
Cowlitz
|
Code
|
3,400
|
Kalama
|
|
|
#
|
County
|
Type
|
Population
|
City
|
|
142
|
King
|
Code
|
3,390
|
Algona
|
|
143
|
Yakima
|
Code
|
3,323
|
Zillah
|
|
144
|
Pacific
|
Code
|
3,197
|
Raymond
|
|
145
|
Grant
|
Code
|
3,153
|
Warden
|
|
146
|
Thurston
|
Code
|
3,113
|
Rainier
|
|
147
|
King
|
Code
|
3,082
|
Clyde Hill
|
|
148
|
Pierce
|
Town
|
3,065
|
Eatonville
|
|
149
|
San Juan
|
Town (County Seat)
|
3,021
|
Friday Harbor
|
|
150
|
King
|
Code
|
2,955
|
Medina
|
|
151
|
Lewis
|
Code
|
2,924
|
Winlock
|
|
152
|
Stevens
|
Code
|
2,910
|
Chewelah
|
|
153
|
Whitman
|
Second Class (County Seat)
|
2,794
|
Colfax
|
|
154
|
Thurston
|
Code
|
2,570
|
Tenino
|
|
155
|
Kittitas
|
Code
|
2,549
|
Cle Elum
|
|
156
|
Klickitat
|
Code
|
2,545
|
White Salmon
|
|
157
|
Okanogan
|
Code (County Seat)
|
2,543
|
Okanogan
|
|
158
|
Grays Harbor
|
Code
|
2,541
|
Westport
|
|
159
|
Cowlitz
|
Code
|
2,502
|
Castle Rock
|
|
160
|
Grays Harbor
|
Code
|
2,489
|
McCleary
|
|
161
|
Douglas
|
Code
|
2,443
|
Rock Island
|
|
162
|
Columbia
|
Code (County Seat)
|
2,436
|
Dayton
|
|
163
|
King
|
Code
|
2,426
|
Carnation
|
|
164
|
Lewis
|
Code
|
2,316
|
Napavine
|
|
165
|
Grant
|
Code
|
2,312
|
Royal City
|
|
166
|
Whatcom
|
Code
|
2,245
|
Sumas
|
|
167
|
Pend Oreille
|
Code (County Seat)
|
2,198
|
Newport
|
|
168
|
Douglas
|
Code
|
2,197
|
Bridgeport
|
|
169
|
Island
|
Town (County Seat)
|
2,154
|
Coupeville
|
|
170
|
Spokane
|
Code
|
2,057
|
Millwood
|
|
171
|
Okanogan
|
Code
|
2,031
|
Brewster
|
|
172
|
Yakima
|
Code
|
2,013
|
Tieton
|
|
173
|
Snohomish
|
Code
|
2,011
|
Gold Bar
|
|
174
|
Grant
|
Code
|
1,987
|
Soap Lake
|
|
175
|
Yakima
|
Code
|
1,983
|
Mabton
|
|
176
|
Pacific
|
Code
|
1,856
|
Long Beach
|
|
177
|
Okanogan
|
Code
|
1,855
|
Oroville
|
|
178
|
Adams
|
Second Class (County Seat)
|
1,839
|
Ritzville
|
|
179
|
Whatcom
|
Code
|
1,827
|
Nooksack
|
|
180
|
Lincoln
|
Second Class (County Seat)
|
1,791
|
Davenport
|
|
181
|
Skamania
|
Code (County Seat)
|
1,787
|
Stevenson
|
|
182
|
Pacific
|
Code (County Seat)
|
1,782
|
South Bend
|
|
183
|
Grays Harbor
|
Code
|
1,766
|
Cosmopolis
|
|
184
|
Clark
|
Town
|
1,676
|
Yacolt
|
|
185
|
Stevens
|
Code
|
1,652
|
Kettle Falls
|
|
186
|
Snohomish
|
Town
|
1,634
|
Darrington
|
|
187
|
Chelan
|
Code
|
1,462
|
Entiat
|
|
188
|
Pierce
|
Town
|
1,461
|
South Prairie
|
|
189
|
Kittitas
|
Code
|
1,446
|
Kittitas
|
|
190
|
Garfield
|
Code (County Seat)
|
1,413
|
Pomeroy
|
|
191
|
Snohomish
|
Code
|
1,406
|
Woodway
|
|
192
|
Okanogan
|
Town
|
1,324
|
Twisp
|
|
193
|
Asotin
|
Code (County Seat)
|
1,288
|
Asotin
|
|
194
|
Walla Walla
|
Unclassified
|
1,242
|
Waitsburg
|
|
195
|
Yakima
|
Town
|
1,228
|
Naches
|
|
196
|
Island
|
Code
|
1,219
|
Langley
|
|
197
|
Lewis
|
Code
|
1,212
|
Morton
|
|
198
|
Okanogan, Douglas, Grant
|
Town
|
1,207
|
Coulee Dam
|
|
199
|
Pacific
|
Code
|
1,179
|
Ilwaco
|
|
200
|
Douglas
|
Town (County Seat)
|
1,178
|
Waterville
|
|
201
|
Whitman
|
Second Class
|
1,155
|
Palouse
|
|
202
|
King
|
Town
|
1,138
|
Yarrow Point
|
|
203
|
Grant
|
Code
|
1,113
|
George
|
|
204
|
Pierce
|
Code
|
1,095
|
Ruston
|
|
205
|
Skagit
|
Town
|
1,065
|
La Conner
|
|
206
|
Okanogan
|
Code
|
1,031
|
Tonasket
|
|
207
|
Ferry
|
Code (County Seat)
|
1,024
|
Republic
|
|
208
|
Skamania
|
Code
|
1,005
|
North Bonneville
|
|
209
|
Grant
|
Code
|
992
|
Electric City
|
|
210
|
Kittitas
|
Code
|
990
|
Roslyn
|
|
211
|
Grant
|
Code
|
924
|
Grand Coulee
|
|
212
|
Lincoln
|
Town
|
895
|
Wilbur
|
|
213
|
Lincoln
|
Town
|
872
|
Odessa
|
|
214
|
Skagit
|
Town
|
837
|
Concrete
|
|
215
|
Lewis
|
Code
|
836
|
Mossyrock
|
|
216
|
Pierce
|
Code
|
812
|
Roy
|
|
217
|
Okanogan
|
Town
|
808
|
Winthrop
|
|
218
|
Klickitat
|
Code
|
786
|
Bingen
|
|
219
|
Pierce
|
Town
|
778
|
Carbonado
|
|
220
|
Whitman
|
Town
|
769
|
Tekoa
|
|
221
|
Lewis
|
Code
|
759
|
Toledo
|
|
222
|
Grays Harbor
|
Code
|
735
|
Oakville
|
|
223
|
Spokane
|
Town
|
714
|
Rockford
|
|
224
|
Lewis
|
Code
|
713
|
Vader
|
|
225
|
Lewis
|
Town
|
694
|
Pe Ell
|
|
226
|
Lincoln
|
Town
|
689
|
Reardan
|
|
227
|
Thurston
|
Town
|
680
|
Bucoda
|
|
228
|
Spokane
|
Town
|
633
|
Fairfield
|
|
229
|
Whitman
|
Town
|
623
|
St. John
|
|
230
|
Wahkiakum
|
Town (County Seat)
|
620
|
Cathlamet
|
|
231
|
Okanogan
|
Code
|
601
|
Pateros
|
|
232
|
Grant
|
Town
|
593
|
Coulee City
|
|
233
|
Kittitas
|
Town
|
583
|
South Cle Elum
|
|
234
|
Whitman
|
Town
|
574
|
Garfield
|
|
235
|
Yakima
|
Town
|
565
|
Harrah
|
|
236
|
Whitman
|
Town
|
546
|
Rosalia
|
|
237
|
Adams
|
Town
|
535
|
Lind
|
|
238
|
Lincoln
|
Code
|
515
|
Sprague
|
|
239
|
Whitman
|
Town
|
510
|
Albion
|
|
240
|
Pierce
|
Town
|
483
|
Wilkeson
|
|
241
|
King
|
Town
|
469
|
Hunts Point
|
|
242
|
Stevens
|
Town
|
458
|
Springdale
|
|
243
|
Lincoln
|
Code
|
453
|
Harrington
|
|
244
|
Whitman
|
Town
|
437
|
Colton
|
|
245
|
Whitman
|
Town
|
433
|
Uniontown
|
|
246
|
Skagit
|
Town
|
431
|
Lyman
|
|
247
|
Pend Oreille
|
Town
|
416
|
Ione
|
|
248
|
Whitman
|
Town
|
415
|
Oakesdale
|
|
249
|
Franklin
|
Code
|
405
|
Mesa
|
|
250
|
Walla Walla
|
Code
|
384
|
Prescott
|
|
251
|
Douglas
|
Town
|
342
|
Mansfield
|
|
252
|
Lincoln
|
Town
|
326
|
Almira
|
|
253
|
Okanogan
|
Town
|
313
|
Riverside
|
|
254
|
King
|
Town
|
309
|
Beaux Arts Village
|
|
255
|
Whitman
|
Town
|
304
|
Endicott
|
|
256
|
Stevens
|
Town
|
289
|
Northport
|
|
257
|
Whitman
|
Town
|
289
|
LaCrosse
|
|
258
|
Skagit
|
Town
|
283
|
Hamilton
|
|
259
|
Spokane
|
Code
|
280
|
Spangle
|
|
260
|
Pend Oreille
|
Town
|
266
|
Metaline Falls
|
|
261
|
Okanogan
|
Town
|
263
|
Elmer City
|
|
262
|
Lincoln
|
Town
|
241
|
Creston
|
|
263
|
Stevens
|
Town
|
212
|
Marcus
|
|
264
|
Grant
|
Town
|
208
|
Wilson Creek
|
|
265
|
Adams
|
Town
|
207
|
Washtucna
|
|
266
|
Okanogan
|
Town
|
201
|
Conconully
|
|
267
|
Okanogan
|
Town
|
185
|
Nespelem
|
|
268
|
Spokane
|
Town
|
185
|
Latah
|
|
269
|
Grant
|
Town
|
180
|
Hartline
|
|
270
|
King
|
Town
|
177
|
Skykomish
|
|
271
|
Whitman
|
Town
|
167
|
Farmington
|
|
272
|
Pend Oreille
|
Town
|
161
|
Cusick
|
|
273
|
Snohomish
|
Town
|
155
|
Index
|
|
274
|
Pend Oreille
|
Town
|
154
|
Metaline
|
|
275
|
Franklin
|
Code
|
133
|
Kahlotus
|
|
276
|
Columbia
|
Town
|
123
|
Starbuck
|
|
277
|
Spokane
|
Town
|
117
|
Waverly
|
|
278
|
Whitman
|
Town
|
103
|
Lamont
|
|
279
|
Adams
|
Town
|
83
|
Hatton
|
|
280
|
Grant
|
Town
|
33
|
Krupp
|
|
281
|
Whitman
|
Town
|
0
|
Malden
|
|
