|
#
|
County
|
Type
|
Population
|
City
|
|
1
|
King
|
First Class (County Seat)
|
816,600
|
Seattle
|
|
2
|
Spokane
|
First Class (County Seat)
|
234,700
|
Spokane
|
|
3
|
Pierce
|
First Class (County Seat)
|
228,400
|
Tacoma
|
|
4
|
Clark
|
First Class (County Seat)
|
205,100
|
Vancouver
|
|
5
|
King
|
Code
|
158,000
|
Bellevue
|
|
6
|
King
|
Code
|
140,100
|
Kent
|
|
7
|
Snohomish
|
First Class (County Seat)
|
114,700
|
Everett
|
|
8
|
Spokane
|
Code
|
110,200
|
Spokane Valley
|
|
9
|
King
|
Code
|
109,700
|
Renton
|
|
10
|
King
|
Code
|
102,900
|
Federal Way
|
|
11
|
Yakima
|
First Class (County Seat)
|
100,000
|
Yakima
|
|
12
|
Whatcom
|
First Class (County Seat)
|
98,340
|
Bellingham
|
|
13
|
King
|
Code
|
97,850
|
Kirkland
|
|
14
|
King, Pierce
|
Code
|
|
Auburn
|
|
15
|
Benton
|
Code
|
87,790
|
Kennewick
|
|
16
|
Franklin
|
Code (County Seat)
|
82,990
|
Pasco
|
|
17
|
King
|
Code
|
82,380
|
Redmond
|
|
18
|
Snohomish
|
Code
|
75,640
|
Marysville
|
|
19
|
King
|
Code
|
68,480
|
Sammamish
|
|
20
|
Benton
|
First Class
|
64,930
|
Richland
|
|
21
|
Pierce
|
Code
|
64,670
|
Lakewood
|
|
22
|
King
|
Code
|
63,740
|
Shoreline
|
|
23
|
Thurston
|
Code
|
60,380
|
Lacey
|
|
24
|
Thurston
|
Code (County Seat)
|
57,970
|
Olympia
|
|
25
|
King
|
Code
|
53,320
|
Burien
|
|
26
|
King, Snohomish
|
Code
|
|
Bothell
|
|
27
|
Kitsap
|
First Class
|
45,890
|
Bremerton
|
|
28
|
Pierce
|
Code
|
43,730
|
Puyallup
|
|
29
|
Snohomish
|
Code
|
43,510
|
Edmonds
|
|
30
|
Snohomish
|
Code
|
42,540
|
Lynnwood
|
|
31
|
Snohomish
|
Code
|
42,180
|
Lake Stevens
|
|
32
|
King
|
Code
|
41,560
|
Issaquah
|
|
33
|
Cowlitz
|
Code
|
38,310
|
Longview
|
|
34
|
Chelan
|
Code (County Seat)
|
36,170
|
Wenatchee
|
|
35
|
Pierce
|
Code
|
36,140
|
University Place
|
|
36
|
Skagit
|
Code (County Seat)
|
36,050
|
Mount Vernon
|
|
37
|
Walla Walla
|
Code (County Seat)
|
34,850
|
Walla Walla
|
|
38
|
Whitman
|
Code
|
34,380
|
Pullman
|
|
39
|
King
|
Code
|
33,540
|
Des Moines
|
|
40
|
King
|
Code
|
32,990
|
SeaTac
|
|
41
|
King
|
Code
|
29,340
|
Maple Valley
|
|
42
|
Clark
|
Code
|
27,970
|
Camas
|
|
43
|
Thurston
|
Code
|
27,680
|
Tumwater
|
|
44
|
Grant
|
Code
|
27,530
|
Moses Lake
|
|
45
|
King
|
Code
|
25,850
|
Mercer Island
|
|
46
|
Kitsap
|
Code
|
25,530
|
Bainbridge Island
|
|
47
|
Island
|
Code
|
24,820
|
Oak Harbor
|
|
48
|
Snohomish
|
Code
|
24,640
|
Mountlake Terrace
|
|
49
|
King
|
Code
|
24,520
|
Kenmore
|
|
50
|
Pierce
|
Code
|
23,450
|
Bonney Lake
|
|
51
|
Snohomish
|
Code
|
23,080
|
Arlington
|
|
52
|
King
|
Code
|
22,960
|
Tukwila
|
|
53
|
Clark
|
Code
|
22,790
|
Battle Ground
|
|
54
|
King
|
Code
|
22,160
|
Covington
|
|
55
|
Snohomish
|
Code
|
21,630
|
Mill Creek
|
|
56
|
Snohomish
|
Code
|
21,600
|
Mukilteo
|
|
57
|
Kittitas
|
Code (County Seat)
|
21,260
|
Ellensburg
|
|
58
|
Snohomish
|
Code
|
20,960
|
Monroe
|
|
59
|
Clallam
|
Code (County Seat)
|
20,440
|
Port Angeles
|
|
60
|
Kitsap
|
Second Class (County Seat)
|
19,260
|
Port Orchard
|
|
61
|
Lewis
|
Code
|
18,730
|
Centralia
|
|
62
|
Benton
|
Code
|
18,430
|
West Richland
|
|
63
|
Clark
|
Code
|
18,360
|
Washougal
|
|
64
|
Skagit
|
Code
|
18,350
|
Anacortes
|
|
65
|
Grays Harbor
|
First Class
|
17,200
|
Aberdeen
|
|
66
|
Whatcom
|
Code
|
17,020
|
Ferndale
|
|
67
|
Whatcom
|
Code
|
16,840
|
Lynden
|
|
68
|
Yakima
|
Code
|
16,690
|
Sunnyside
|
|
69
|
Clark
|
Code
|
16,290
|
Ridgefield
|
|
70
|
King
|
Code
|
14,550
|
Snoqualmie
|
|
71
|
Douglas
|
Code
|
14,310
|
East Wenatchee
|
|
72
|
Pierce
|
Code
|
14,120
|
Edgewood
|
|
73
|
Spokane
|
Code
|
14,110
|
Liberty Lake
|
|
74
|
King
|
Code
|
14,060
|
Woodinville
|
|
75
|
King
|
Code
|
13,880
|
Newcastle
|
|
76
|
King
|
Code
|
13,700
|
Lake Forest Park
|
|
77
|
King, Pierce
|
Code
|
13,400
|
Enumclaw
|
|
78
|
Skagit
|
Code
|
13,360
|
Sedro-Woolley
|
|
79
|
Spokane
|
Code
|
13,180
|
Cheney
|
|
T-80
|
Pierce
|
Code
|
13,110
|
Gig Harbor
|
|
T-80
|
Kitsap
|
Code
|
13,110
|
Poulsbo
|
|
82
|
Cowlitz
|
Code (County seat)
|
12,850
|
Kelso
|
|
83
|
Spokane
|
Code
|
12,120
|
Airway Heights
|
|
84
|
Yakima
|
Code
|
11,950
|
Grandview
|
|
85
|
Pierce
|
Code
|
11,300
|
Fife
|
|
86
|
Thurston
|
Code
|
11,130
|
Yelm
|
|
87
|
Pierce
|
Code
|
11,080
|
Sumner
|
|
88
|
Skagit
|
Code
|
10,910
|
Burlington
|
|
89
|
Jefferson
|
Code (County Seat)
|
10,580
|
Port Townsend
|
|
90
|
Snohomish
|
Code
|
10,500
|
Snohomish
|
|
91
|
Mason
|
Code (County Seat)
|
10,410
|
Shelton
|
|
92
|
Pierce
|
Code
|
10,190
|
DuPont
|
|
93
|
Walla Walla
|
Code
|
10,050
|
College Place
|
|
94
|
Adams
|
Code
|
9,210
|
Othello
|
|
95
|
Pierce
|
Code
|
9,125
|
Orting
|
|
96
|
Snohomish
|
Code
|
8,950
|
Stanwood
|
|
97
|
Yakima
|
Code
|
8,925
|
Toppenish
|
|
98
|
Grant
|
Code (County Seat)
|
8,915
|
Ephrata
|
|
T-99
|
Grays Harbor
|
Code
|
8,810
|
Hoquiam
|
|
T-99
|
King
|
Code
|
8,810
|
Duvall
|
|
101
|
Pierce, King
|
Code
|
|
Milton
|
|
102
|
Yakima
|
Code
|
8,655
|
Selah
|
|
103
|
King
|
Code
|
8,590
|
North Bend
|
|
104
|
Clallam
|
Code
|
8,410
|
Sequim
|
|
105
|
Grant
|
Code
|
8,330
|
Quincy
|
|
106
|
Grays Harbor
|
Code
|
7,755
|
Ocean Shores
|
|
107
|
Lewis
|
Code (County Seat)
|
7,515
|
Chehalis
|
|
108
|
King
|
Code
|
7,435
|
Black Diamond
|
|
109
|
Snohomish
|
Code
|
7,405
|
Sultan
|
|
110
|
King, Pierce
|
Code
|
7,280
|
Pacific
|
|
T-111
|
Pierce
|
Code
|
7,240
|
Fircrest
|
|
T-111
|
Asotin
|
Code
|
7,240
|
Clarkston
|
|
113
|
Pierce
|
Town
|
6,860
|
Steilacoom
|
|
114
|
King
|
Code
|
6,855
|
Normandy Park
|
|
115
|
Yakima
|
Code
|
6,670
|
Union Gap
|
|
116
|
Benton
|
Code (County Seat)
|
6,650
|
Prosser
|
|
117
|
Snohomish
|
Code
|
6,630
|
Brier
|
|
T-118
|
Cowlitz, Clark
|
Code
|
6,585
|
Woodland
|
|
T-118
|
Whatcom
|
Code
|
6,585
|
Blaine
|
|
120
|
Pierce
|
Code
|
5,785
|
Buckley
|
|
121
|
Franklin
|
Code
|
5,180
|
Connell
|
|
122
|
Spokane
|
Code
|
5,135
|
Deer Park
|
|
123
|
Okanogan
|
Code
|
4,985
|
Omak
|
|
124
|
Stevens
|
Second Class (County Seat)
|
4,945
|
Colville
|
|
125
|
Spokane
|
Code
|
4,900
|
Medical Lake
|
|
126
|
Yakima
|
Code
|
4,825
|
Moxee
|
|
127
|
Snohomish
|
Code
|
4,775
|
Granite Falls
|
|
128
|
Chelan
|
Code
|
4,630
|
Chelan
|
|
129
|
Yakima
|
Second Class
|
4,615
|
Wapato
|
|
130
|
Clark
|
Code
|
4,270
|
La Center
|
|
131
|
Grays Harbor
|
Code (County Seat)
|
4,135
|
Montesano
|
|
132
|
Grant
|
Code
|
3,890
|
Mattawa
|
|
133
|
Benton
|
Code
|
3,845
|
Benton City
|
|
134
|
Yakima
|
Code
|
3,775
|
Granger
|
|
135
|
Grays Harbor
|
Code
|
3,535
|
Elma
|
|
136
|
Klickitat
|
Code (County Seat)
|
3,500
|
Goldendale
|
|
137
|
Clallam
|
Code
|
3,425
|
Forks
|
|
138
|
Chelan
|
Code
|
3,420
|
Cashmere
|
|
139
|
King
|
Code
|
3,335
|
Algona
|
|
140
|
Whatcom
|
Code
|
3,245
|
Everson
|
|
141
|
Yakima
|
Code
|
3,225
|
Zillah
|
|
|
#
|
County
|
Type
|
Population
|
City
|
|
142
|
Cowlitz
|
Code
|
3,165
|
Kalama
|
|
143
|
Pacific
|
Code
|
3,155
|
Raymond
|
|
144
|
King
|
Code
|
3,095
|
Clyde Hill
|
|
145
|
Pierce
|
Town
|
2,930
|
Eatonville
|
|
146
|
King
|
Code
|
2,915
|
Medina
|
|
147
|
Whitman
|
Second Class (County Seat)
|
2,790
|
Colfax
|
|
148
|
Grant
|
Code
|
2,765
|
Warden
|
|
149
|
San Juan
|
Town (County Seat)
|
2,745
|
Friday Harbor
|
|
150
|
Stevens
|
Code
|
2,675
|
Chewelah
|
|
151
|
Chelan
|
Code
|
2,615
|
Leavenworth
|
|
152
|
Thurston
|
Code
|
2,590
|
Rainier
|
|
153
|
Klickitat
|
Code
|
2,565
|
White Salmon
|
|
154
|
Lewis
|
Code
|
2,520
|
Winlock
|
|
155
|
Cowlitz
|
Code
|
2,470
|
Castle Rock
|
|
156
|
Columbia
|
Code (County Seat)
|
2,440
|
Dayton
|
|
157
|
Okanogan
|
Code (County Seat)
|
2,425
|
Okanogan
|
|
158
|
Grays Harbor
|
Code
|
2,360
|
Westport
|
|
159
|
Snohomish
|
Code
|
2,350
|
Gold Bar
|
|
160
|
King
|
Code
|
2,320
|
Carnation
|
|
161
|
Kittitas
|
Code
|
2,300
|
Cle Elum
|
|
162
|
Douglas
|
Code
|
2,190
|
Bridgeport
|
|
163
|
Pend Oreille
|
Code (County Seat)
|
2,155
|
Newport
|
|
164
|
Grays Harbor
|
Code
|
2,085
|
McCleary
|
|
165
|
Thurston
|
Code
|
2,075
|
Tenino
|
|
166
|
Lewis
|
Code
|
2,050
|
Napavine
|
|
167
|
Island
|
Town (County Seat)
|
2,030
|
Coupeville
|
|
168
|
Okanogan
|
Code
|
2,005
|
Brewster
|
|
169
|
Yakima
|
Code
|
1,990
|
Mabton
|
|
170
|
Grant
|
Code
|
1,960
|
Royal City
|
|
171
|
Spokane
|
Code
|
1,925
|
Millwood
|
|
172
|
Whatcom
|
Code
|
1,835
|
Sumas
|
|
173
|
Whatcom
|
Code
|
1,825
|
Nooksack
|
|
174
|
Okanogan
|
Code
|
1,820
|
Oroville
|
|
175
|
Grant
|
Code
|
1,810
|
Soap Lake
|
|
176
|
Adams
|
Second Class (County Seat)
|
1,790
|
Ritzville
|
|
177
|
Clark
|
Town
|
1,785
|
Yacolt
|
|
178
|
Pacific
|
Code
|
1,745
|
Long Beach
|
|
179
|
Pacific
|
Code (County Seat)
|
1,735
|
South Bend
|
|
180
|
Kittitas
|
Code
|
1,730
|
Kittitas
|
|
181
|
Lincoln
|
Second Class (County Seat)
|
1,720
|
Davenport
|
|
182
|
Douglas
|
Code
|
1,695
|
Rock Island
|
|
183
|
Grays Harbor
|
Code
|
1,680
|
Cosmopolis
|
|
184
|
Stevens
|
Code
|
1,645
|
Kettle Falls
|
|
185
|
Yakima
|
Code
|
1,635
|
Tieton
|
|
186
|
Skamania
|
Code (County Seat)
|
1,600
|
Stevenson
|
|
T-187
|
Snohomish
|
Town
|
1,520
|
Darrington
|
|
T-187
|
Chelan
|
Code
|
1,520
|
Entiat
|
|
189
|
Garfield
|
Code (County Seat)
|
1,395
|
Pomeroy
|
|
190
|
Snohomish
|
Code
|
1,345
|
Woodway
|
|
191
|
Asotin
|
Code (County Seat)
|
1,225
|
Asotin
|
|
192
|
Okanogan, Douglas, Grant
|
Town
|
1,210
|
Coulee Dam
|
|
T-193
|
Walla Walla
|
Unclassified
|
1,200
|
Waitsburg
|
|
T-193
|
Island
|
Code
|
1,200
|
Langley
|
|
195
|
Douglas
|
Town (County Seat)
|
1,155
|
Waterville
|
|
196
|
Yakima
|
Town
|
1,150
|
Naches
|
|
197
|
King
|
Town
|
1,130
|
Yarrow Point
|
|
T-198
|
Okanogan
|
Town
|
1,110
|
Twisp
|
|
T-198
|
Pacific
|
Code
|
1,100
|
Ilwaco
|
|
200
|
Lewis
|
Code
|
1,095
|
Morton
|
|
201
|
Okanogan
|
Code
|
1,090
|
Tonasket
|
|
202
|
Pierce
|
Code
|
1,075
|
Ruston
|
|
203
|
Whitman
|
Second Class
|
1,060
|
Palouse
|
|
T-204
|
Ferry
|
Code (County Seat)
|
1,000
|
Republic
|
|
T-204
|
Skagit
|
Town
|
1,000
|
La Conner
|
|
206
|
Skamania
|
Code
|
985
|
North Bonneville
|
|
207
|
Grant
|
Code
|
975
|
Electric City
|
|
208
|
Kittitas
|
Code
|
965
|
Roslyn
|
|
209
|
Grant
|
Code
|
950
|
Grand Coulee
|
|
210
|
Grant
|
Code
|
900
|
George
|
|
211
|
Lincoln
|
Town
|
895
|
Wilbur
|
|
212
|
Lincoln
|
Town
|
875
|
Odessa
|
|
T-213
|
Pierce
|
Code
|
820
|
Roy
|
|
T-213
|
Whitman
|
Town
|
820
|
Tekoa
|
|
T-215
|
Skagit
|
Town
|
815
|
Concrete
|
|
T-215
|
Lewis
|
Code
|
815
|
Mossyrock
|
|
217
|
Klickitat
|
Code
|
780
|
Bingen
|
|
218
|
Pierce
|
Town
|
750
|
Carbonado
|
|
219
|
Grays Harbor
|
Code
|
720
|
Oakville
|
|
220
|
Lewis
|
Code
|
710
|
Toledo
|
|
221
|
Lewis
|
Code
|
690
|
Vader
|
|
222
|
Lewis
|
Town
|
660
|
Pe Ell
|
|
223
|
Lincoln
|
Town
|
645
|
Reardan
|
|
224
|
Thurston
|
Town
|
630
|
Bucoda
|
|
225
|
Pierce
|
Town
|
625
|
South Prairie
|
|
226
|
Spokane
|
Town
|
620
|
Rockford
|
|
227
|
Okanogan
|
Code
|
610
|
Pateros
|
|
T-228
|
Whitman
|
Town
|
605
|
St. John
|
|
T-228
|
Okanogan
|
Town
|
605
|
Winthrop
|
|
230
|
Spokane
|
Town
|
600
|
Fairfield
|
|
231
|
Yakima
|
Town
|
590
|
Harrah
|
|
232
|
Whitman
|
Town
|
585
|
Rosalia
|
|
233
|
Wahkiakum
|
Town (County Seat)
|
580
|
Cathlamet
|
|
234
|
Kittitas
|
Town
|
575
|
South Cle Elum
|
|
235
|
Whitman
|
Town
|
565
|
Garfield
|
|
236
|
Grant
|
Town
|
560
|
Coulee City
|
|
237
|
Whitman
|
Town
|
545
|
Albion
|
|
238
|
Adams
|
Town
|
535
|
Lind
|
|
T-239
|
Lincoln
|
Code
|
495
|
Sprague
|
|
T-239
|
Pierce
|
Town
|
495
|
Wilkeson
|
|
241
|
King
|
Town
|
455
|
Hunts Point
|
|
242
|
Skagit
|
Town
|
440
|
Lyman
|
|
T-243
|
Lincoln
|
Code
|
430
|
Harrington
|
|
T-243
|
Pend Oreille
|
Town
|
430
|
Ione
|
|
T-245
|
Whitman
|
Town
|
400
|
Oakesdale
|
|
T-245
|
Whitman
|
Town
|
400
|
Uniontown
|
|
T-245
|
Franklin
|
Code
|
400
|
Mesa
|
|
248
|
Whitman
|
Town
|
385
|
Colton
|
|
249
|
Walla Walla
|
Code
|
375
|
Prescott
|
|
250
|
Douglas
|
Town
|
335
|
Mansfield
|
|
251
|
Okanogan
|
Town
|
325
|
Riverside
|
|
252
|
Lincoln
|
Town
|
315
|
Almira
|
|
T-253
|
King
|
Town
|
310
|
Beaux Arts Village
|
|
T-253
|
Whitman
|
Town
|
310
|
Endicott
|
|
255
|
Stevens
|
Town
|
305
|
Springdale
|
|
T-256
|
Stevens
|
Town
|
295
|
Northport
|
|
T-256
|
Skagit
|
Town
|
295
|
Hamilton
|
|
258
|
Whitman
|
Town
|
290
|
LaCrosse
|
|
259
|
Spokane
|
Code
|
285
|
Spangle
|
|
260
|
Pend Oreille
|
Town
|
275
|
Metaline Falls
|
|
261
|
Okanogan
|
Town
|
245
|
Elmer City
|
|
262
|
Lincoln
|
Town
|
220
|
Creston
|
|
263
|
Stevens
|
Town
|
215
|
Marcus
|
|
264
|
Adams
|
Town
|
210
|
Washtucna
|
|
265
|
Grant
|
Town
|
205
|
Wilson Creek
|
|
266
|
Okanogan
|
Town
|
195
|
Conconully
|
|
T-267
|
Okanogan
|
Town
|
185
|
Nespelem
|
|
T-267
|
Spokane
|
Town
|
185
|
Latah
|
|
T-269
|
Grant
|
Town
|
180
|
Hartline
|
|
T-269
|
Pend Oreille
|
Town
|
180
|
Cusick
|
|
271
|
Snohomish
|
Town
|
170
|
Index
|
|
T-272
|
King
|
Town
|
165
|
Skykomish
|
|
T-272
|
Adams
|
Town
|
165
|
Hatton
|
|
274
|
Pend Oreille
|
Town
|
160
|
Metaline
|
|
275
|
Franklin
|
Code
|
145
|
Kahlotus
|
|
276
|
Whitman
|
Town
|
135
|
Farmington
|
|
277
|
Whitman
|
Town
|
130
|
Malden
|
|
278
|
Spokane
|
Town
|
125
|
Waverly
|
|
279
|
Columbia
|
Town
|
120
|
Starbuck
|
|
280
|
Whitman
|
Town
|
85
|
Lamont
|
|
281
|
Grant
|
Town
|
45
|
Krupp
|
|
