
Fastest-growing counties in Washington
Fastest-growing counties in Washington
From 2018 to 2019, the U.S. population grew by .48%, its slowest rate in 100 years. Declining births, increasing deaths largely due to the graying Baby Boomer population, and a crackdown on immigration have contributed to many states seeing net population losses in recent years.
But in other pockets of the country, populations are growing. These shifts can be due to job opportunities, high quality of life, easy commutability to job centers, low rents, or any combination of these or other factors. Stacker compiled a list of the fastest-growing counties in Washington using data from the U.S. Census Bureau. Counties are ranked by the highest population growth from 2010 to 2019, based on 5-year estimates.
A county typically sees population growth as a “bedroom community” (a municipality with an atypically large commuting population) to a large city. These communities are typically quieter than their feeder cities, offer lower rents and a higher quality of living, and are remote enough to be immune to the feeder city’s crime, traffic, and crowds. Keep reading to see if your home county made the list.
#30. Asotin County
--- #957 among all counties nationwide
- 2010 to 2019 percent population change: +5.0%
--- #28 among counties in Washington, #804 among all counties nationwide
- 2019 population: 22,421
--- #28 largest county in Washington, #1,705 largest county nationwide

#29. San Juan County
--- #923 among all counties nationwide
- 2010 to 2019 percent population change: +8.0%
--- #18 among counties in Washington, #539 among all counties nationwide
- 2019 population: 16,788
--- #32 largest county in Washington, #1,993 largest county nationwide
#28. Stevens County
--- #863 among all counties nationwide
- 2010 to 2019 percent population change: +3.4%
--- #33 among counties in Washington, #988 among all counties nationwide
- 2019 population: 44,655
--- #24 largest county in Washington, #1,079 largest county nationwide
#27. Okanogan County
--- #837 among all counties nationwide
- 2010 to 2019 percent population change: +4.0%
--- #31 among counties in Washington, #914 among all counties nationwide
- 2019 population: 41,842
--- #26 largest county in Washington, #1,134 largest county nationwide
#26. Klickitat County
--- #829 among all counties nationwide
- 2010 to 2019 percent population change: +8.3%
--- #16 among counties in Washington, #510 among all counties nationwide
- 2019 population: 21,721
--- #29 largest county in Washington, #1,738 largest county nationwide
#25. Adams County
--- #820 among all counties nationwide
- 2010 to 2019 percent population change: +9.6%
--- #14 among counties in Washington, #431 among all counties nationwide
- 2019 population: 19,594
--- #31 largest county in Washington, #1,845 largest county nationwide
#24. Jefferson County
--- #818 among all counties nationwide
- 2010 to 2019 percent population change: +5.8%
--- #24 among counties in Washington, #718 among all counties nationwide
- 2019 population: 31,285
--- #27 largest county in Washington, #1,403 largest county nationwide
#23. Walla Walla County
--- #683 among all counties nationwide
- 2010 to 2019 percent population change: +4.8%
--- #29 among counties in Washington, #818 among all counties nationwide
- 2019 population: 60,365
--- #21 largest county in Washington, #867 largest county nationwide
#22. Lewis County
--- #624 among all counties nationwide
- 2010 to 2019 percent population change: +4.7%
--- #30 among counties in Washington, #831 among all counties nationwide
- 2019 population: 78,145
--- #16 largest county in Washington, #712 largest county nationwide
#21. Island County
--- #579 among all counties nationwide
- 2010 to 2019 percent population change: +5.4%
--- #27 among counties in Washington, #753 among all counties nationwide
- 2019 population: 82,866
--- #15 largest county in Washington, #685 largest county nationwide
#20. Mason County
--- #565 among all counties nationwide
- 2010 to 2019 percent population change: +7.6%
--- #19 among counties in Washington, #562 among all counties nationwide
- 2019 population: 63,804
--- #20 largest county in Washington, #833 largest county nationwide
#19. Clallam County
--- #554 among all counties nationwide
- 2010 to 2019 percent population change: +6.7%
--- #23 among counties in Washington, #629 among all counties nationwide
- 2019 population: 75,392
--- #18 largest county in Washington, #732 largest county nationwide
#18. Douglas County
--- #549 among all counties nationwide
- 2010 to 2019 percent population change: +13.1%
--- #8 among counties in Washington, #248 among all counties nationwide
- 2019 population: 42,023
--- #25 largest county in Washington, #1,130 largest county nationwide

#17. Chelan County
--- #532 among all counties nationwide
- 2010 to 2019 percent population change: +7.4%
--- #21 among counties in Washington, #577 among all counties nationwide
- 2019 population: 76,229
--- #17 largest county in Washington, #724 largest county nationwide
#16. Whitman County
--- #522 among all counties nationwide
- 2010 to 2019 percent population change: +12.5%
--- #10 among counties in Washington, #270 among all counties nationwide
- 2019 population: 49,231
--- #22 largest county in Washington, #998 largest county nationwide
#15. Cowlitz County
--- #520 among all counties nationwide
- 2010 to 2019 percent population change: +5.5%
--- #26 among counties in Washington, #744 among all counties nationwide
- 2019 population: 106,778
--- #12 largest county in Washington, #563 largest county nationwide
#14. Kittitas County
--- #498 among all counties nationwide
- 2010 to 2019 percent population change: +15.1%
--- #4 among counties in Washington, #192 among all counties nationwide
- 2019 population: 45,897
--- #23 largest county in Washington, #1,052 largest county nationwide

#13. Grant County
--- #386 among all counties nationwide
- 2010 to 2019 percent population change: +12.2%
--- #11 among counties in Washington, #290 among all counties nationwide
- 2019 population: 95,502
--- #13 largest county in Washington, #619 largest county nationwide

#12. Skagit County
--- #385 among all counties nationwide
- 2010 to 2019 percent population change: +9.0%
--- #15 among counties in Washington, #465 among all counties nationwide
- 2019 population: 125,612
--- #11 largest county in Washington, #504 largest county nationwide

#11. Yakima County
--- #339 among all counties nationwide
- 2010 to 2019 percent population change: +5.6%
--- #25 among counties in Washington, #741 among all counties nationwide
- 2019 population: 249,697
--- #8 largest county in Washington, #272 largest county nationwide
#10. Kitsap County
--- #280 among all counties nationwide
- 2010 to 2019 percent population change: +7.5%
--- #20 among counties in Washington, #570 among all counties nationwide
- 2019 population: 265,882
--- #7 largest county in Washington, #255 largest county nationwide
#9. Franklin County
--- #261 among all counties nationwide
- 2010 to 2019 percent population change: +29.0%
--- #1 among counties in Washington, #37 among all counties nationwide
- 2019 population: 92,009
--- #14 largest county in Washington, #638 largest county nationwide

#8. Whatcom County
--- #222 among all counties nationwide
- 2010 to 2019 percent population change: +12.7%
--- #9 among counties in Washington, #263 among all counties nationwide
- 2019 population: 220,821
--- #9 largest county in Washington, #303 largest county nationwide
#7. Benton County
--- #179 among all counties nationwide
- 2010 to 2019 percent population change: +18.2%
--- #2 among counties in Washington, #128 among all counties nationwide
- 2019 population: 197,518
--- #10 largest county in Washington, #337 largest county nationwide

#6. Thurston County
--- #146 among all counties nationwide
- 2010 to 2019 percent population change: +14.8%
--- #6 among counties in Washington, #201 among all counties nationwide
- 2019 population: 279,711
--- #6 largest county in Washington, #245 largest county nationwide

#5. Spokane County
--- #118 among all counties nationwide
- 2010 to 2019 percent population change: +9.6%
--- #13 among counties in Washington, #430 among all counties nationwide
- 2019 population: 505,505
--- #4 largest county in Washington, #138 largest county nationwide
#4. Clark County
--- #90 among all counties nationwide
- 2010 to 2019 percent population change: +14.1%
--- #7 among counties in Washington, #219 among all counties nationwide
- 2019 population: 473,252
--- #5 largest county in Washington, #146 largest county nationwide
#3. Pierce County
--- #50 among all counties nationwide
- 2010 to 2019 percent population change: +12.1%
--- #12 among counties in Washington, #296 among all counties nationwide
- 2019 population: 877,013
--- #2 largest county in Washington, #63 largest county nationwide
#2. Snohomish County
--- #42 among all counties nationwide
- 2010 to 2019 percent population change: +15.1%
--- #5 among counties in Washington, #195 among all counties nationwide
- 2019 population: 798,808
--- #3 largest county in Washington, #77 largest county nationwide

#1. King County
--- #4 among all counties nationwide
- 2010 to 2019 percent population change: +16.8%
--- #3 among counties in Washington, #154 among all counties nationwide
- 2019 population: 2,195,502
--- #1 largest county in Washington, #12 largest county nationwide



