|
#
|
County
|
Type
|
Population
|
City
|
|
1
|
King
|
First Class (County Seat)
|
779,200
|
Seattle
|
|
2
|
Spokane
|
First Class (County Seat)
|
232,700
|
Spokane
|
|
3
|
Pierce
|
First Class (County Seat)
|
222,400
|
Tacoma
|
|
4
|
Clark
|
First Class (County Seat)
|
199,600
|
Vancouver
|
|
5
|
King
|
Code
|
154,600
|
Bellevue
|
|
6
|
King
|
Code
|
139,100
|
Kent
|
|
7
|
Snohomish
|
First Class (County Seat)
|
114,200
|
Everett
|
|
8
|
King
|
Code
|
107,900
|
Renton
|
|
9
|
Spokane
|
Code
|
107,400
|
Spokane Valley
|
|
10
|
King
|
Code
|
102,000
|
Federal Way
|
|
11
|
Yakima
|
First Class (County Seat)
|
98,650
|
Yakima
|
|
12
|
King
|
Code
|
96,920
|
Kirkland
|
|
13
|
Whatcom
|
First Class (County Seat)
|
95,960
|
Bellingham
|
|
14
|
King, Pierce
|
Code
|
88,820
|
Auburn
|
|
15
|
Benton
|
Code
|
86,470
|
Kennewick
|
|
16
|
Franklin
|
First Class (County Seat)
|
81,280
|
Pasco
|
|
17
|
King
|
Code
|
77,490
|
Redmond
|
|
18
|
Snohomish
|
Code
|
73,780
|
Marysville
|
|
19
|
King
|
Code
|
68,280
|
Sammamish
|
|
20
|
Pierce
|
Code
|
64,150
|
Lakewood
|
|
21
|
Benton
|
First Class
|
63,280
|
Richland
|
|
22
|
King
|
Code
|
61,120
|
Shoreline
|
|
23
|
Thurston
|
Code
|
59,430
|
Lacey
|
|
24
|
Thurston
|
Code (County Seat)
|
56,900
|
Olympia
|
|
25
|
King
|
Code
|
52,560
|
Burien
|
|
26
|
King, Snohomish
|
Code
|
49,550
|
Bothell
|
|
27
|
Kitsap
|
Code
|
44,640
|
Bremerton
|
|
28
|
Pierce
|
Code
|
43,420
|
Puyallup
|
|
29
|
Snohomish
|
Code
|
43,370
|
Edmonds
|
|
30
|
King
|
Code
|
41,290
|
Issaquah
|
|
31
|
Snohomish
|
Code
|
41,260
|
Lake Stevens
|
|
32
|
Snohomish
|
Code
|
40,790
|
Lynnwood
|
|
33
|
Cowlitz
|
Code
|
38,130
|
Longview
|
|
34
|
Chelan
|
Code (County Seat)
|
35,850
|
Wenatchee
|
|
35
|
Skagit
|
Code (County Seat)
|
35,590
|
Mount Vernon
|
|
36
|
Pierce
|
Code
|
35,580
|
University Place
|
|
37
|
Walla Walla
|
Code (County Seat)
|
34,310
|
Walla Walla
|
|
38
|
King
|
Code
|
33,260
|
Des Moines
|
|
39
|
Whitman
|
Code
|
33,060
|
Pullman
|
|
40
|
King
|
Code
|
31,740
|
SeaTac
|
|
41
|
King
|
Code
|
29,250
|
Maple Valley
|
|
42
|
Clark
|
Code
|
27,420
|
Camas
|
|
43
|
Thurston
|
Code
|
27,100
|
Tumwater
|
|
44
|
Grant
|
Code
|
26,210
|
Moses Lake
|
|
45
|
Kitsap
|
Code
|
25,800
|
Bainbridge Island
|
|
46
|
King
|
Code
|
25,180
|
Mercer Island
|
|
47
|
Island
|
Code
|
24,780
|
Oak Harbor
|
|
48
|
King
|
Code
|
24,230
|
Kenmore
|
|
49
|
Snohomish
|
Code
|
23,810
|
Mountlake Terrace
|
|
50
|
Pierce
|
Code
|
23,250
|
Bonney Lake
|
|
51
|
King
|
Code
|
22,780
|
Tukwila
|
|
52
|
Clark
|
Code
|
21,910
|
Battle Ground
|
|
53
|
Snohomish
|
Code
|
21,740
|
Arlington
|
|
54
|
Snohomish
|
Code
|
21,630
|
Mill Creek
|
|
55
|
King
|
Code
|
21,600
|
Covington
|
|
56
|
Snohomish
|
Code
|
21,590
|
Mukilteo
|
|
57
|
Kittitas
|
Code (County Seat)
|
20,900
|
Ellensburg
|
|
58
|
Snohomish
|
Code
|
20,590
|
Monroe
|
|
59
|
Clallam
|
Code (County Seat)
|
20,240
|
Port Angeles
|
|
60
|
Lewis
|
Code
|
18,400
|
Centralia
|
|
61
|
Skagit
|
Code
|
18,020
|
Anacortes
|
|
62
|
Benton
|
Code
|
17,840
|
West Richland
|
|
63
|
Clark
|
Code
|
17,490
|
Washougal
|
|
64
|
Kitsap
|
Second Class (County Seat)
|
17,480
|
Port Orchard
|
|
65
|
Grays Harbor
|
First Class
|
17,080
|
Aberdeen
|
|
66
|
Yakima
|
Code
|
16,530
|
Sunnyside
|
|
67
|
Whatcom
|
Code
|
16,520
|
Lynden
|
|
68
|
Whatcom
|
Code
|
16,330
|
Ferndale
|
|
69
|
Clark
|
Code
|
15,180
|
Ridgefield
|
|
70
|
King
|
Code
|
14,500
|
Snoqualmie
|
|
71
|
Douglas
|
Code
|
14,210
|
East Wenatchee
|
|
72
|
King
|
Code
|
13,830
|
Woodinville
|
|
73
|
King
|
Code
|
13,660
|
Lake Forest Park
|
|
74
|
King
|
Code
|
13,610
|
Newcastle
|
|
75
|
Pierce
|
Code
|
13,590
|
Edgewood
|
|
76
|
Spokane
|
Code
|
13,160
|
Cheney
|
|
77
|
Spokane
|
Code
|
13,150
|
Liberty Lake
|
|
78
|
King, Pierce
|
Code
|
13,090
|
Enumclaw
|
|
79
|
Pierce
|
Code
|
13,060
|
Gig Harbor
|
|
80
|
Skagit
|
Code
|
12,900
|
Sedro-Woolley
|
|
81
|
Cowlitz
|
Code (County seat)
|
12,750
|
Kelso
|
|
82
|
Kitsap
|
Code
|
12,400
|
Poulsbo
|
|
83
|
Spokane
|
Code
|
11,280
|
Airway Heights
|
|
84
|
Pierce
|
Code
|
11,150
|
Fife
|
|
85
|
Yakima
|
Code
|
10,911
|
Grandview
|
|
86
|
Pierce
|
Code
|
10,800
|
Sumner
|
|
87
|
Thurston
|
Code
|
10,770
|
Yelm
|
|
88
|
Mason
|
Code (County Seat)
|
10,420
|
Shelton
|
|
89
|
Jefferson
|
Code (County Seat)
|
10,330
|
Port Townsend
|
|
90
|
Snohomish
|
Code
|
10,330
|
Snohomish
|
|
91
|
Pierce
|
Code
|
10,180
|
DuPont
|
|
92
|
Skagit
|
Code
|
9,905
|
Burlington
|
|
93
|
Walla Walla
|
Code
|
9,890
|
College Place
|
|
94
|
Pierce
|
Code
|
9,110
|
Orting
|
|
95
|
Adams
|
Code
|
9,005
|
Othello
|
|
96
|
Yakima
|
Code
|
8,900
|
Toppenish
|
|
97
|
Grays Harbor
|
Code
|
8,795
|
Hoquiam
|
|
98
|
Pierce, King
|
Code
|
8,715
|
Milton
|
|
99
|
Grant
|
Code (County Seat)
|
8,690
|
Ephrata
|
|
100
|
Snohomish
|
Code
|
8,585
|
Stanwood
|
|
101
|
King
|
Code
|
8,530
|
Duvall
|
|
102
|
Yakima
|
Code
|
8,450
|
Selah
|
|
103
|
Clallam
|
Code
|
8,350
|
Sequim
|
|
104
|
King
|
Code
|
8,120
|
North Bend
|
|
105
|
Grant
|
Code
|
8,065
|
Quincy
|
|
106
|
Lewis
|
Code (County Seat)
|
7,400
|
Chehalis
|
|
107
|
Grays Harbor
|
Code
|
7,380
|
Ocean Shores
|
|
108
|
King, Pierce
|
Code
|
7,270
|
Pacific
|
|
109
|
Pierce
|
Code
|
7,235
|
Fircrest
|
|
110
|
Asotin
|
Code
|
7,220
|
Clarkston
|
|
111
|
King
|
Code
|
6,880
|
Black Diamond
|
|
112
|
King
|
Code
|
6,840
|
Normandy Park
|
|
113
|
Pierce
|
Town
|
6,825
|
Steilacoom
|
|
114
|
Snohomish
|
Code
|
6,730
|
Sultan
|
|
115
|
Yakima
|
Code
|
6,660
|
Union Gap
|
|
116
|
Snohomish
|
Code
|
6,610
|
Brier
|
|
117
|
Cowlitz, Clark
|
Code
|
6,570
|
Woodland
|
|
118
|
Benton
|
Code (County Seat)
|
6,445
|
Prosser
|
|
119
|
Whatcom
|
Code
|
6,310
|
Blaine
|
|
120
|
Pierce
|
Code
|
5,555
|
Buckley
|
|
121
|
Okanogan
|
Code
|
4,980
|
Omak
|
|
122
|
Franklin
|
Code
|
4,960
|
Connell
|
|
T123
|
Spokane
|
Code
|
4,925
|
Deer Park
|
|
T-123
|
Stevens
|
Second Class (County Seat)
|
4,925
|
Colville
|
|
125
|
Spokane
|
Code
|
4,915
|
Medical Lake
|
|
126
|
Yakima
|
Code
|
4,785
|
Moxee
|
|
127
|
Snohomish
|
Code
|
4,775
|
Granite Falls
|
|
128
|
Yakima
|
Second Class
|
4,620
|
Wapato
|
|
129
|
Chelan
|
Code
|
4,470
|
Chelan
|
|
130
|
Grays Harbor
|
Code (County Seat)
|
4,090
|
Montesano
|
|
131
|
Clark
|
Code
|
3,890
|
La Center
|
|
132
|
Benton
|
Code
|
3,810
|
Benton City
|
|
133
|
Yakima
|
Code
|
3,775
|
Granger
|
|
134
|
Grant
|
Code
|
3,575
|
Mattawa
|
|
135
|
Klickitat
|
Code (County Seat)
|
3,485
|
Goldendale
|
|
136
|
Grays Harbor
|
Code
|
3,480
|
Elma
|
|
137
|
Clallam
|
Code
|
3,395
|
Forks
|
|
138
|
Chelan
|
Code
|
3,355
|
Cashmere
|
|
139
|
King
|
Code
|
3,315
|
Algona
|
|
140
|
Yakima
|
Code
|
3,215
|
Zillah
|
|
141
|
Whatcom
|
Code
|
3,135
|
Everson
|
|
|
#
|
County
|
Type
|
Population
|
City
|
|
142
|
King
|
Code
|
3,115
|
Clyde Hill
|
|
143
|
Pacific
|
Code
|
3,110
|
Raymond
|
|
144
|
Cowlitz
|
Code
|
3,070
|
Kalama
|
|
145
|
King
|
Code
|
2,925
|
Medina
|
|
146
|
Pierce
|
Town
|
2,900
|
Eatonville
|
|
147
|
Whitman
|
Second Class (County Seat)
|
2,785
|
Colfax
|
|
148
|
San Juan
|
Town (County Seat)
|
2,715
|
Friday Harbor
|
|
149
|
Grant
|
Code
|
2,625
|
Warden
|
|
150
|
Chelan
|
Code
|
2,590
|
Leavenworth
|
|
151
|
Stevens
|
Code
|
2,580
|
Chewelah
|
|
152
|
Thurston
|
Code
|
2,555
|
Rainier
|
|
153
|
Klickitat
|
Code
|
2,500
|
White Salmon
|
|
154
|
Cowlitz
|
Code
|
2,460
|
Castle Rock
|
|
155
|
Columbia
|
Code (County Seat)
|
2,445
|
Dayton
|
|
156
|
Okanogan
|
Code (County Seat)
|
2,420
|
Okanogan
|
|
157
|
Snohomish
|
Code
|
2,305
|
Gold Bar
|
|
158
|
Grays Harbor
|
Code
|
2,295
|
Westport
|
|
159
|
Kittitas
|
Code
|
2,255
|
Cle Elum
|
|
160
|
King
|
Code
|
2,225
|
Carnation
|
|
161
|
Douglas
|
Code
|
2,155
|
Bridgeport
|
|
162
|
Pend Oreille
|
Code (County Seat)
|
2,135
|
Newport
|
|
163
|
Grays Harbor
|
Code
|
2,120
|
McCleary
|
|
164
|
Thurston
|
Code
|
2,045
|
Tenino
|
|
T-165
|
Lewis
|
Code
|
1,995
|
Napavine
|
|
T-165
|
Okanogan
|
Code
|
1,995
|
Brewster
|
|
T-165
|
Island
|
Town (County Seat)
|
1,995
|
Coupeville
|
|
168
|
Yakima
|
Code
|
1,965
|
Mabton
|
|
169
|
Spokane
|
Code
|
1,925
|
Millwood
|
|
170
|
Grant
|
Code
|
1,910
|
Royal City
|
|
171
|
Lewis
|
Code
|
1,835
|
Winlock
|
|
T-172
|
Okanogan
|
Code
|
1,810
|
Oroville
|
|
T-172
|
Whatcom
|
Code
|
1,810
|
Sumas
|
|
174
|
Adams
|
Second Class (County Seat)
|
1,785
|
Ritzville
|
|
175
|
Grant
|
Code
|
1,765
|
Soap Lake
|
|
176
|
Pacific
|
Code (County Seat)
|
1,755
|
South Bend
|
|
177
|
Pacific
|
Code
|
1,730
|
Long Beach
|
|
178
|
Lincoln
|
Second Class (County Seat)
|
1,725
|
Davenport
|
|
T-179
|
Grays Harbor
|
Code
|
1,670
|
Cosmopolis
|
|
T-179
|
Clark
|
Town
|
1,670
|
Yacolt
|
|
181
|
Stevens
|
Code
|
1,640
|
Kettle Falls
|
|
182
|
Douglas
|
Code
|
1,570
|
Rock Island
|
|
183
|
Skamania
|
Code (County Seat)
|
1,565
|
Stevenson
|
|
184
|
Whatcom
|
Code
|
1,560
|
Nooksack
|
|
185
|
Yakima
|
Code
|
1,545
|
Tieton
|
|
186
|
Snohomish
|
Town
|
1,505
|
Darrington
|
|
187
|
Kittitas
|
Code
|
1,440
|
Kittitas
|
|
188
|
Garfield
|
Code (County Seat)
|
1,395
|
Pomeroy
|
|
189
|
Chelan
|
Code
|
1,360
|
Entiat
|
|
190
|
Snohomish
|
Code
|
1,340
|
Woodway
|
|
191
|
Asotin
|
Code (County Seat)
|
1,225
|
Asotin
|
|
192
|
Okanogan, Douglas, Grant
|
Town
|
1,210
|
Coulee Dam
|
|
193
|
Walla Walla
|
Unclassified
|
1,185
|
Waitsburg
|
|
194
|
Island
|
Code
|
1,165
|
Langley
|
|
195
|
Douglas
|
Town (County Seat)
|
1,145
|
Waterville
|
|
196
|
King
|
Town
|
1,135
|
Yarrow Point
|
|
197
|
Yakima
|
Town
|
1,120
|
Naches
|
|
198
|
Pacific
|
Code
|
1,110
|
Ilwaco
|
|
199
|
Okanogan
|
Code
|
1,085
|
Tonasket
|
|
200
|
Lewis
|
Code
|
1,080
|
Morton
|
|
201
|
Okanogan
|
Town
|
1,075
|
Twisp
|
|
202
|
Pierce
|
Code
|
1,065
|
Ruston
|
|
203
|
Whitman
|
Second Class
|
1,050
|
Palouse
|
|
204
|
Ferry
|
Code (County Seat)
|
1,000
|
Republic
|
|
205
|
Skagit
|
Town
|
990
|
La Conner
|
|
206
|
Skamania
|
Code
|
975
|
North Bonneville
|
|
207
|
Grant
|
Code
|
965
|
Electric City
|
|
T-208
|
Kittitas
|
Code
|
960
|
Roslyn
|
|
T-208
|
Grant
|
Code
|
960
|
Grand Coulee
|
|
210
|
Lincoln
|
Town
|
895
|
Wilbur
|
|
211
|
Lincoln
|
Town
|
890
|
Odessa
|
|
212
|
Grant
|
Code
|
885
|
George
|
|
213
|
Pierce
|
Code
|
815
|
Roy
|
|
214
|
Skagit
|
Town
|
810
|
Concrete
|
|
215
|
Whitman
|
Town
|
805
|
Tekoa
|
|
216
|
Lewis
|
Code
|
785
|
Mossyrock
|
|
217
|
Klickitat
|
Code
|
780
|
Bingen
|
|
218
|
Pierce
|
Town
|
745
|
Carbonado
|
|
219
|
Grays Harbor
|
Code
|
720
|
Oakville
|
|
220
|
Lewis
|
Code
|
695
|
Toledo
|
|
221
|
Lewis
|
Town
|
655
|
Pe Ell
|
|
T-222
|
Lincoln
|
Town
|
650
|
Reardan
|
|
T-222
|
Lewis
|
Code
|
650
|
Vader
|
|
224
|
Pierce
|
Town
|
645
|
South Prairie
|
|
225
|
Thurston
|
Town
|
620
|
Bucoda
|
|
226
|
Whitman
|
Town
|
605
|
St. John
|
|
227
|
Spokane
|
Town
|
600
|
Fairfield
|
|
228
|
Okanogan
|
Code
|
595
|
Pateros
|
|
229
|
Whitman
|
Town
|
585
|
Rosalia
|
|
T-230
|
Yakima
|
Town
|
580
|
Harrah
|
|
T-230
|
Okanogan
|
Town
|
580
|
Winthrop
|
|
232
|
Wahkiakum
|
Town (County Seat)
|
575
|
Cathlamet
|
|
233
|
Spokane
|
Town
|
570
|
Rockford
|
|
T-234
|
Whitman
|
Town
|
565
|
Garfield
|
|
T-234
|
Kittitas
|
Town
|
565
|
South Cle Elum
|
|
236
|
Grant
|
Town
|
560
|
Coulee City
|
|
237
|
Whitman
|
Town
|
540
|
Albion
|
|
238
|
Adams
|
Town
|
535
|
Lind
|
|
239
|
Lincoln
|
Code
|
500
|
Sprague
|
|
240
|
Pierce
|
Town
|
495
|
Wilkeson
|
|
241
|
King
|
Town
|
460
|
Hunts Point
|
|
242
|
Lincoln
|
Code
|
435
|
Harrington
|
|
T-243
|
Pend Oreille
|
Town
|
425
|
Ione
|
|
T-243
|
Skagit
|
Town
|
425
|
Lyman
|
|
245
|
Whitman
|
Town
|
410
|
Colton
|
|
T-246
|
Whitman
|
Town
|
400
|
Oakesdale
|
|
T-246
|
Whitman
|
Town
|
400
|
Uniontown
|
|
248
|
Franklin
|
Code
|
390
|
Mesa
|
|
249
|
Walla Walla
|
Code
|
375
|
Prescott
|
|
250
|
Douglas
|
Town
|
330
|
Mansfield
|
|
251
|
Okanogan
|
Town
|
325
|
Riverside
|
|
252
|
Lincoln
|
Town
|
320
|
Almira
|
|
253
|
King
|
Town
|
315
|
Beaux Arts Village
|
|
254
|
Whitman
|
Town
|
310
|
Endicott
|
|
T-255
|
Stevens
|
Town
|
295
|
Northport
|
|
T-255
|
Skagit
|
Town
|
295
|
Hamilton
|
|
T-255
|
Whitman
|
Town
|
295
|
LaCrosse
|
|
258
|
Stevens
|
Town
|
290
|
Springdale
|
|
259
|
Spokane
|
Code
|
280
|
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
|
|
269
|
Grant
|
Town
|
180
|
Hartline
|
|
270
|
King
|
Town
|
165
|
Skykomish
|
|
271
|
Pend Oreille
|
Town
|
160
|
Metaline
|
|
T-272
|
Pend Oreille
|
Town
|
155
|
Cusick
|
|
T-272
|
Snohomish
|
Town
|
155
|
Index
|
|
274
|
Franklin
|
Code
|
145
|
Kahlotus
|
|
275
|
Whitman
|
Town
|
140
|
Farmington
|
|
276
|
Whitman
|
Town
|
135
|
Malden
|
|
T-277
|
Columbia
|
Town
|
120
|
Starbuck
|
|
T-277
|
Spokane
|
Town
|
120
|
Waverly
|
|
279
|
Whitman
|
Town
|
85
|
Lamont
|
|
280
|
Adams
|
Town
|
80
|
Hatton
|
|
281
|
Grant
|
Town
|
45
|
Krupp
|
|
