|
#
|
County
|
Type
|
Population
|
City
|
|
1
|
King
|
First Class (County Seat)
|
1,876,010
|
Seattle
|
|
2
|
Clark
|
First Class (County Seat)
|
425,410
|
Vancouver
|
|
3
|
Spokane
|
First Class (County Seat)
|
329,186
|
Spokane
|
|
4
|
Pierce
|
First Class (County Seat)
|
301,804
|
Tacoma
|
|
5
|
King
|
Code
|
225,996
|
Bellevue
|
|
6
|
Spokane
|
Code
|
222,424
|
Spokane Valley
|
|
7
|
King
|
Code
|
220,290
|
Kirkland
|
|
8
|
Thurston
|
Code
|
212,934
|
Lacey
|
|
9
|
Whatcom
|
First Class (County Seat)
|
212,388
|
Bellingham
|
|
10
|
Snohomish
|
First Class (County Seat)
|
207,046
|
Everett
|
|
11
|
King
|
Code
|
204,412
|
Kent
|
|
12
|
Franklin
|
First Class (County Seat)
|
189,752
|
Pasco
|
|
13
|
King
|
Code
|
187,574
|
Redmond
|
|
14
|
Benton
|
Code
|
152,744
|
Kennewick
|
|
15
|
Yakima
|
First Class (County Seat)
|
142,382
|
Yakima
|
|
16
|
King
|
Code
|
136,890
|
Renton
|
|
17
|
Benton
|
First Class
|
135,080
|
Richland
|
|
18
|
King
|
Code
|
110,730
|
Federal Way
|
|
19
|
King, Pierce
|
Code
|
102,896
|
Auburn
|
|
20
|
Snohomish
|
Code
|
101,374
|
Marysville
|
|
21
|
Snohomish
|
Code
|
91,930
|
Lake Stevens
|
|
22
|
King
|
Code
|
83,728
|
Shoreline
|
|
23
|
King
|
Code
|
75,705
|
Sammamish
|
|
24
|
Thurston
|
Code (County Seat)
|
70,562
|
Olympia
|
|
25
|
Pierce
|
Code
|
68,992
|
Lakewood
|
|
26
|
King, Snohomish
|
Code
|
62,051
|
Bothell
|
|
27
|
Snohomish
|
Code
|
60,788
|
Lynnwood
|
|
28
|
Clark
|
Code
|
58,875
|
Ridgefield
|
|
29
|
Benton
|
Code
|
58,010
|
West Richland
|
|
30
|
King
|
Code
|
57,006
|
Burien
|
|
31
|
Kitsap
|
Code
|
54,855
|
Bremerton
|
|
32
|
King
|
Code
|
52,441
|
Issaquah
|
|
33
|
Snohomish
|
Code
|
48,023
|
Edmonds
|
|
34
|
Pierce
|
Code
|
47,443
|
Puyallup
|
|
35
|
Snohomish
|
Code
|
46,526
|
Mountlake Terrace
|
|
36
|
Pierce
|
Code
|
42,006
|
University Place
|
|
37
|
Cowlitz
|
Code
|
40,938
|
Longview
|
|
38
|
Thurston
|
Code
|
40,843
|
Tumwater
|
|
39
|
King
|
Code
|
40,383
|
Maple Valley
|
|
40
|
Clark
|
Code
|
39,615
|
Camas
|
|
41
|
Skagit
|
Code (County Seat)
|
38,929
|
Mount Vernon
|
|
42
|
Snohomish
|
Code
|
38,588
|
Arlington
|
|
43
|
Chelan
|
Code (County Seat)
|
38,325
|
Wenatchee
|
|
44
|
Pierce
|
Code
|
36,750
|
Bonney Lake
|
|
45
|
King
|
Code
|
36,608
|
Des Moines
|
|
46
|
Walla Walla
|
Code (County Seat)
|
36,560
|
Walla Walla
|
|
47
|
Grant
|
Code
|
35,786
|
Moses Lake
|
|
48
|
Kitsap
|
Second Class (County Seat)
|
34,517
|
Port Orchard
|
|
49
|
Whitman
|
Code
|
34,491
|
Pullman
|
|
50
|
King
|
Code
|
34,314
|
SeaTac
|
|
51
|
Clark
|
Code
|
32,413
|
Battle Ground
|
|
52
|
King
|
Code
|
31,618
|
Tukwila
|
|
53
|
King
|
Code
|
29,007
|
Covington
|
|
54
|
Snohomish
|
Code
|
28,609
|
Monroe
|
|
55
|
Kitsap
|
Code
|
28,375
|
Bainbridge Island
|
|
56
|
Snohomish
|
Code
|
27,966
|
Mill Creek
|
|
57
|
Whatcom
|
Code
|
27,868
|
Ferndale
|
|
58
|
King
|
Code
|
27,074
|
Kenmore
|
|
59
|
King
|
Code
|
26,527
|
Black Diamond
|
|
60
|
King
|
Code
|
26,268
|
Mercer Island
|
|
61
|
Island
|
Code
|
26,202
|
Oak Harbor
|
|
62
|
Pierce
|
Code
|
24,957
|
Edgewood
|
|
63
|
Spokane
|
Code
|
23,473
|
Liberty Lake
|
|
64
|
Whatcom
|
Code
|
23,459
|
Lynden
|
|
65
|
Clallam
|
Code (County Seat)
|
22,760
|
Port Angeles
|
|
66
|
Pierce
|
Code
|
22,339
|
Gig Harbor
|
|
67
|
Snohomish
|
Code
|
22,058
|
Mukilteo
|
|
68
|
Kittitas
|
Code (County Seat)
|
21,827
|
Ellensburg
|
|
69
|
Clark
|
Code
|
21,549
|
Washougal
|
|
70
|
Skagit
|
Code
|
21,467
|
Anacortes
|
|
71
|
Snohomish
|
Code
|
20,986
|
Sultan
|
|
72
|
Adams
|
Code
|
20,861
|
Othello
|
|
73
|
King
|
Code
|
20,679
|
Woodinville
|
|
74
|
Lewis
|
Code
|
20,353
|
Centralia
|
|
75
|
King
|
Code
|
18,947
|
Newcastle
|
|
76
|
King, Pierce
|
Code
|
18,013
|
Enumclaw
|
|
77
|
Yakima
|
Code
|
17,925
|
Sunnyside
|
|
78
|
King
|
Code
|
17,911
|
Snoqualmie
|
|
79
|
Grays Harbor
|
First Class
|
17,683
|
Aberdeen
|
|
80
|
Skagit
|
Code
|
17,211
|
Sedro-Woolley
|
|
81
|
Skagit
|
Code
|
16,682
|
Burlington
|
|
82
|
Snohomish
|
Code
|
16,505
|
Stanwood
|
|
83
|
Benton
|
Code (County Seat)
|
16,403
|
Prosser
|
|
84
|
Kitsap
|
Code
|
16,225
|
Poulsbo
|
|
85
|
Spokane
|
Code
|
15,987
|
Airway Heights
|
|
86
|
Douglas
|
Code
|
14,678
|
East Wenatchee
|
|
87
|
Yakima
|
Code
|
14,310
|
Grandview
|
|
88
|
King
|
Code
|
14,051
|
North Bend
|
|
89
|
King
|
Code
|
13,930
|
Lake Forest Park
|
|
90
|
Grays Harbor
|
Code
|
13,365
|
Ocean Shores
|
|
91
|
Cowlitz
|
Code (County seat)
|
13,020
|
Kelso
|
|
92
|
King
|
Code
|
12,994
|
Duvall
|
|
93
|
Grant
|
Code
|
12,763
|
Quincy
|
|
94
|
Pierce
|
Code
|
12,509
|
Fife
|
|
95
|
Benton
|
Code
|
12,416
|
Benton City
|
|
96
|
Pierce
|
Code
|
12,411
|
Sumner
|
|
97
|
Spokane
|
Code
|
12,305
|
Cheney
|
|
98
|
Snohomish
|
Code
|
12,166
|
Snohomish
|
|
99
|
Thurston
|
Code
|
12,147
|
Yelm
|
|
100
|
Jefferson
|
Code (County Seat)
|
11,968
|
Port Townsend
|
|
101
|
Clallam
|
Code
|
11,284
|
Sequim
|
|
102
|
Yakima
|
Code
|
11,123
|
Selah
|
|
103
|
Mason
|
Code (County Seat)
|
10,861
|
Shelton
|
|
104
|
Grant
|
Code (County Seat)
|
10,607
|
Ephrata
|
|
105
|
Pierce
|
Code
|
10,441
|
DuPont
|
|
106
|
Whatcom
|
Code
|
10,144
|
Blaine
|
|
107
|
Spokane
|
Code
|
9,803
|
Deer Park
|
|
108
|
Walla Walla
|
Code
|
9,782
|
College Place
|
|
109
|
Pierce
|
Code
|
9,731
|
Orting
|
|
110
|
Pierce
|
Code
|
9,524
|
Buckley
|
|
111
|
Yakima
|
Code
|
9,314
|
Toppenish
|
|
112
|
Grays Harbor
|
Code
|
8,966
|
Hoquiam
|
|
113
|
Yakima
|
Code
|
8,916
|
Moxee
|
|
114
|
Pierce, King
|
Code
|
8,877
|
Milton
|
|
115
|
Asotin
|
Code
|
8,754
|
Clarkston
|
|
116
|
Clark
|
Code
|
8,084
|
La Center
|
|
117
|
Pierce
|
Code
|
7,946
|
Fircrest
|
|
118
|
Pierce
|
Town
|
7,707
|
Steilacoom
|
|
119
|
Snohomish
|
Code
|
7,700
|
Granite Falls
|
|
120
|
King, Pierce
|
Code
|
7,585
|
Pacific
|
|
121
|
King
|
Code
|
7,461
|
Normandy Park
|
|
122
|
Yakima
|
Code
|
7,428
|
Union Gap
|
|
123
|
Snohomish
|
Code
|
7,060
|
Brier
|
|
124
|
Lewis
|
Code (County Seat)
|
7,049
|
Chehalis
|
|
125
|
Cowlitz, Clark
|
Code
|
6,921
|
Woodland
|
|
126
|
Chelan
|
Code
|
6,702
|
Chelan
|
|
127
|
Okanogan
|
Code
|
6,060
|
Omak
|
|
128
|
Grant
|
Code
|
5,735
|
Mattawa
|
|
129
|
Chelan
|
Code
|
5,533
|
Leavenworth
|
|
130
|
Whatcom
|
Code
|
5,358
|
Everson
|
|
131
|
Spokane
|
Code
|
5,284
|
Medical Lake
|
|
132
|
Yakima
|
Code
|
5,134
|
Granger
|
|
133
|
Lewis
|
Code
|
5,102
|
Winlock
|
|
134
|
Stevens
|
Second Class (County Seat)
|
4,997
|
Colville
|
|
135
|
Yakima
|
Second Class
|
4,737
|
Wapato
|
|
136
|
Chelan
|
Code
|
4,318
|
Cashmere
|
|
137
|
Thurston
|
Code
|
4,229
|
Rainier
|
|
138
|
Grant
|
Code
|
4,209
|
Warden
|
|
139
|
Douglas
|
Code
|
4,189
|
Rock Island
|
|
140
|
Cowlitz
|
Code
|
4,060
|
Kalama
|
|
141
|
Clallam
|
Code
|
3,935
|
Forks
|
|
|
#
|
County
|
Type
|
Population
|
City
|
|
142
|
Grays Harbor
|
Code
|
3,858
|
Elma
|
|
143
|
Klickitat
|
Code (County Seat)
|
3,773
|
Goldendale
|
|
144
|
Grays Harbor
|
Code (County Seat)
|
3,658
|
Montesano
|
|
145
|
San Juan
|
Town (County Seat)
|
3,633
|
Friday Harbor
|
|
146
|
Thurston
|
Code
|
3,620
|
Tenino
|
|
147
|
Stevens
|
Code
|
3,570
|
Chewelah
|
|
148
|
King
|
Code
|
3,540
|
Algona
|
|
149
|
Yakima
|
Code
|
3,539
|
Zillah
|
|
150
|
Pierce
|
Town
|
3,395
|
Eatonville
|
|
151
|
Pacific
|
Code
|
3,371
|
Raymond
|
|
152
|
Grays Harbor
|
Code
|
3,227
|
McCleary
|
|
153
|
Kittitas
|
Code
|
3,137
|
Cle Elum
|
|
154
|
Grant
|
Code
|
3,116
|
Royal City
|
|
155
|
Whatcom
|
Code
|
3,115
|
Sumas
|
|
156
|
Pierce
|
Town
|
3,093
|
South Prairie
|
|
157
|
Grays Harbor
|
Code
|
3,033
|
Westport
|
|
158
|
King
|
Code
|
3,016
|
Clyde Hill
|
|
159
|
King
|
Code
|
3,015
|
Medina
|
|
160
|
Lewis
|
Code
|
2,958
|
Napavine
|
|
161
|
Yakima
|
Code
|
2,949
|
Tieton
|
|
162
|
King
|
Code
|
2,828
|
Carnation
|
|
163
|
Whitman
|
Second Class (County Seat)
|
2,812
|
Colfax
|
|
164
|
Okanogan
|
Code (County Seat)
|
2,789
|
Okanogan
|
|
165
|
Klickitat
|
Code
|
2,635
|
White Salmon
|
|
166
|
Cowlitz
|
Code
|
2,586
|
Castle Rock
|
|
167
|
Island
|
Town (County Seat)
|
2,472
|
Coupeville
|
|
168
|
Grant
|
Code
|
2,431
|
Soap Lake
|
|
169
|
Columbia
|
Code (County Seat)
|
2,418
|
Dayton
|
|
170
|
Whatcom
|
Code
|
2,361
|
Nooksack
|
|
171
|
Pend Oreille
|
Code (County Seat)
|
2,324
|
Newport
|
|
172
|
Spokane
|
Code
|
2,321
|
Millwood
|
|
173
|
Douglas
|
Code
|
2,281
|
Bridgeport
|
|
174
|
Adams
|
Second Class (County Seat)
|
2,253
|
Ritzville
|
|
175
|
Skamania
|
Code (County Seat)
|
2,231
|
Stevenson
|
|
176
|
Pacific
|
Code
|
2,108
|
Long Beach
|
|
177
|
Okanogan
|
Code
|
2,103
|
Brewster
|
|
178
|
Yakima
|
Code
|
2,019
|
Mabton
|
|
179
|
Grays Harbor
|
Code
|
1,958
|
Cosmopolis
|
|
180
|
Okanogan
|
Code
|
1,945
|
Oroville
|
|
181
|
Lincoln
|
Second Class (County Seat)
|
1,923
|
Davenport
|
|
182
|
Snohomish
|
Town
|
1,892
|
Darrington
|
|
183
|
Pacific
|
Code (County Seat)
|
1,836
|
South Bend
|
|
184
|
Okanogan
|
Town
|
1,822
|
Twisp
|
|
185
|
Asotin
|
Code (County Seat)
|
1,771
|
Asotin
|
|
186
|
Clark
|
Town
|
1,688
|
Yacolt
|
|
187
|
Stevens
|
Code
|
1,676
|
Kettle Falls
|
|
188
|
Chelan
|
Code
|
1,666
|
Entiat
|
|
189
|
Grant
|
Code
|
1,569
|
George
|
|
190
|
Snohomish
|
Code
|
1,538
|
Woodway
|
|
191
|
Lewis
|
Code
|
1,476
|
Morton
|
|
192
|
Kittitas
|
Code
|
1,458
|
Kittitas
|
|
193
|
Garfield
|
Code (County Seat)
|
1,449
|
Pomeroy
|
|
194
|
Yakima
|
Town
|
1,444
|
Naches
|
|
195
|
Snohomish
|
Code
|
1,423
|
Gold Bar
|
|
196
|
Whitman
|
Second Class
|
1,365
|
Palouse
|
|
197
|
Walla Walla
|
Unclassified
|
1,356
|
Waitsburg
|
|
198
|
Island
|
Code
|
1,327
|
Langley
|
|
199
|
Pacific
|
Code
|
1,317
|
Ilwaco
|
|
200
|
Lewis
|
Code
|
1,271
|
Toledo
|
|
201
|
Okanogan
|
Town
|
1,264
|
Winthrop
|
|
202
|
Douglas
|
Town (County Seat)
|
1,244
|
Waterville
|
|
203
|
Skagit
|
Town
|
1,215
|
La Conner
|
|
204
|
Okanogan, Douglas, Grant
|
Town
|
1,201
|
Coulee Dam
|
|
205
|
Pierce
|
Code
|
1,155
|
Ruston
|
|
206
|
King
|
Town
|
1,144
|
Yarrow Point
|
|
207
|
Ferry
|
Code (County Seat)
|
1,072
|
Republic
|
|
208
|
Skamania
|
Code
|
1,065
|
North Bonneville
|
|
209
|
Kittitas
|
Code
|
1,050
|
Roslyn
|
|
210
|
Grant
|
Code
|
1,046
|
Electric City
|
|
211
|
Spokane
|
Town
|
1,002
|
Rockford
|
|
212
|
Lewis
|
Code
|
938
|
Mossyrock
|
|
213
|
Okanogan
|
Code
|
923
|
Tonasket
|
|
214
|
Lincoln
|
Town
|
895
|
Wilbur
|
|
215
|
Skagit
|
Town
|
891
|
Concrete
|
|
216
|
Grant
|
Code
|
852
|
Grand Coulee
|
|
217
|
Pierce
|
Town
|
844
|
Carbonado
|
|
218
|
Lewis
|
Code
|
839
|
Vader
|
|
219
|
Lincoln
|
Town
|
836
|
Odessa
|
|
220
|
Pierce
|
Code
|
806
|
Roy
|
|
221
|
Thurston
|
Town
|
800
|
Bucoda
|
|
222
|
Klickitat
|
Code
|
798
|
Bingen
|
|
223
|
Stevens
|
Town
|
794
|
Springdale
|
|
224
|
Lewis
|
Town
|
772
|
Pe Ell
|
|
225
|
Lincoln
|
Town
|
767
|
Reardan
|
|
226
|
Grays Harbor
|
Code
|
765
|
Oakville
|
|
227
|
Wahkiakum
|
Town (County Seat)
|
710
|
Cathlamet
|
|
228
|
Spokane
|
Town
|
699
|
Fairfield
|
|
229
|
Whitman
|
Town
|
697
|
Tekoa
|
|
230
|
Whitman
|
Town
|
659
|
St. John
|
|
231
|
Grant
|
Town
|
659
|
Coulee City
|
|
232
|
Franklin
|
Code
|
631
|
Connell
|
|
233
|
Kittitas
|
Town
|
619
|
South Cle Elum
|
|
234
|
Okanogan
|
Code
|
613
|
Pateros
|
|
235
|
Whitman
|
Town
|
592
|
Garfield
|
|
236
|
Lincoln
|
Code
|
545
|
Sprague
|
|
237
|
Yakima
|
Town
|
535
|
Harrah
|
|
238
|
Adams
|
Town
|
535
|
Lind
|
|
239
|
Whitman
|
Town
|
499
|
Uniontown
|
|
240
|
Whitman
|
Town
|
491
|
Colton
|
|
241
|
Lincoln
|
Code
|
489
|
Harrington
|
|
242
|
King
|
Town
|
487
|
Hunts Point
|
|
243
|
Whitman
|
Town
|
468
|
Rosalia
|
|
244
|
Pierce
|
Town
|
459
|
Wilkeson
|
|
245
|
Whitman
|
Town
|
450
|
Albion
|
|
246
|
Whitman
|
Town
|
445
|
Oakesdale
|
|
247
|
Skagit
|
Town
|
443
|
Lyman
|
|
248
|
Franklin
|
Code
|
435
|
Mesa
|
|
249
|
Walla Walla
|
Code
|
402
|
Prescott
|
|
250
|
Pend Oreille
|
Town
|
398
|
Ione
|
|
251
|
Douglas
|
Town
|
366
|
Mansfield
|
|
252
|
Lincoln
|
Town
|
338
|
Almira
|
|
253
|
Pend Oreille
|
Town
|
302
|
Metaline Falls
|
|
254
|
Okanogan
|
Town
|
299
|
Elmer City
|
|
255
|
King
|
Town
|
297
|
Beaux Arts Village
|
|
256
|
Whitman
|
Town
|
292
|
Endicott
|
|
257
|
Okanogan
|
Town
|
289
|
Riverside
|
|
258
|
Lincoln
|
Town
|
283
|
Creston
|
|
259
|
Spokane
|
Code
|
280
|
Spangle
|
|
260
|
Stevens
|
Town
|
277
|
Northport
|
|
261
|
Whitman
|
Town
|
277
|
LaCrosse
|
|
262
|
Skagit
|
Town
|
259
|
Hamilton
|
|
263
|
Okanogan
|
Town
|
230
|
Nespelem
|
|
264
|
Whitman
|
Town
|
221
|
Farmington
|
|
265
|
Grant
|
Town
|
214
|
Wilson Creek
|
|
266
|
Okanogan
|
Town
|
213
|
Conconully
|
|
267
|
Stevens
|
Town
|
206
|
Marcus
|
|
268
|
King
|
Town
|
201
|
Skykomish
|
|
269
|
Spokane
|
Town
|
185
|
Latah
|
|
270
|
Adams
|
Town
|
184
|
Washtucna
|
|
271
|
Grant
|
Town
|
180
|
Hartline
|
|
272
|
Pend Oreille
|
Town
|
173
|
Cusick
|
|
273
|
Snohomish
|
Town
|
155
|
Index
|
|
274
|
Pend Oreille
|
Town
|
142
|
Metaline
|
|
275
|
Whitman
|
Town
|
139
|
Lamont
|
|
276
|
Columbia
|
Town
|
129
|
Starbuck
|
|
277
|
Franklin
|
Code
|
127
|
Kahlotus
|
|
278
|
Spokane
|
Town
|
111
|
Waverly
|
|
279
|
Adams
|
Town
|
106
|
Hatton
|
|
280
|
Grant
|
Town
|
9
|
Krupp
|
|
281
|
Whitman
|
Town
|
0
|
Malden
|
|
