Washington Counties by Population

The most populated counties in Washington are King County with 2,271,380, Pierce County at 928,696, Snohomish County with 844,761, Spokane County at 551,455, and Clark County with 521,150. You can get the most current Census population data for all 39 Washington counties, sorted from the most populous counties in Washington to the least, according to the 2023 Population Estimates Program.

Sure, you can copy this list right into your favorite spreadsheet tool. Or save yourself formatting headaches and grab the latest Washington counties population data as a ready-to-use Excel™ file below. It's time to stop searching and start digging into data!

Download the newest population data for Washington counties

↓ Download (.xlsx)

Free, Excel™ file.
Trusted by 12,695 businesses.

Rank County Population
1 King County 2,271,380
2 Pierce County 928,696
3 Snohomish County 844,761
4 Spokane County 551,455
5 Clark County 521,150
6 Thurston County 299,003
7 Kitsap County 277,658
8 Yakima County 256,643
9 Whatcom County 231,919
10 Benton County 215,219
11 Skagit County 131,417
12 Cowlitz County 112,864
13 Grant County 102,678
14 Franklin County 99,034
15 Island County 86,267
16 Lewis County 86,154
17 Chelan County 79,997
18 Clallam County 77,616
19 Grays Harbor County 77,290
20 Mason County 68,389
21 Walla Walla County 61,568
22 Stevens County 48,837
23 Whitman County 48,012
24 Kittitas County 45,508
25 Douglas County 44,798
26 Okanogan County 43,712
27 Jefferson County 33,714
28 Pacific County 24,200
29 Klickitat County 23,589
30 Asotin County 22,549
31 Adams County 20,820
32 San Juan County 18,566
33 Pend Oreille County 14,361
34 Skamania County 12,640
35 Lincoln County 11,738
36 Ferry County 7,497
37 Wahkiakum County 4,765
38 Columbia County 4,053
39 Garfield County 2,363

United States Census Bureau. Annual Estimates of the Resident Population: April 1, 2020 to July 1, 2023. U.S. Census Bureau, Population Division. Web. May 2024. http://www.census.gov/.

Connect

Cubit logo

© Copyright 2024 Cubit Planning, Inc.