
Counties with highest COVID-19 infection rates in Washington
Counties with highest COVID-19 infection rates in Washington
The vaccine deployment in December 2020 signaled a turning point in the COVID-19 pandemic. By the end of May 2021, 40% of the U.S. population was fully vaccinated. But as vaccination rates lagged over the summer, new surges of COVID-19 came, including Delta in the summer of 2021, and now the Omicron variant, which comprises the majority of cases in the U.S.
Researchers around the world have reported that Omicron is more transmissible than Delta, making breakthrough and repeat infections more likely.
The United States as of Jun. 29 reached over 1 million COVID-19-related deaths and 87.3 million COVID-19 cases, according to Johns Hopkins University. Currently, 66.9% of the population is fully vaccinated, and 47.3% of vaccinated people have received booster doses.
Stacker compiled a list of the counties with highest COVID-19 infection rates in Washington using data from the U.S. Department of Health & Human Services and vaccination data from Covid Act Now. Counties are ranked by the highest infection rate per 100,000 residents within the week leading up to Jun. 28, 2022. Cumulative cases per 100,000 served as a tiebreaker.
Keep reading to see whether your county ranks among the highest COVID-19 infection rates in your state.
#39. Wahkiakum County, WA
- Cumulative cases per 100k: 12,366 (555 total cases)
--- 43.1% less cases per 100k residents than Washington
- Cumulative deaths per 100k: 156 (7 total deaths)
--- 9.8% less deaths per 100k residents than Washington
- Population that is fully vaccinated: 49.4% (2,217 fully vaccinated)
#38. Whitman County, WA
- Cumulative cases per 100k: 17,981 (9,009 total cases)
--- 17.2% less cases per 100k residents than Washington
- Cumulative deaths per 100k: 180 (90 total deaths)
--- 4.0% more deaths per 100k residents than Washington
- Population that is fully vaccinated: 47.5% (23,809 fully vaccinated)

#37. San Juan County, WA
- Cumulative cases per 100k: 9,430 (1,658 total cases)
--- 56.6% less cases per 100k residents than Washington
- Cumulative deaths per 100k: 11 (2 total deaths)
--- 93.6% less deaths per 100k residents than Washington
- Population that is fully vaccinated: 82.7% (14,540 fully vaccinated)
#36. Pend Oreille County, WA
- Cumulative cases per 100k: 18,777 (2,577 total cases)
--- 13.6% less cases per 100k residents than Washington
- Cumulative deaths per 100k: 270 (37 total deaths)
--- 56.1% more deaths per 100k residents than Washington
- Population that is fully vaccinated: 41.3% (5,670 fully vaccinated)
#35. Klickitat County, WA
- Cumulative cases per 100k: 16,986 (3,809 total cases)
--- 21.8% less cases per 100k residents than Washington
- Cumulative deaths per 100k: 227 (51 total deaths)
--- 31.2% more deaths per 100k residents than Washington
- Population that is fully vaccinated: 47.9% (10,732 fully vaccinated)
#34. Columbia County, WA
- Cumulative cases per 100k: 15,985 (637 total cases)
--- 26.4% less cases per 100k residents than Washington
- Cumulative deaths per 100k: 402 (16 total deaths)
--- 132.4% more deaths per 100k residents than Washington
- Population that is fully vaccinated: 46.7% (1,862 fully vaccinated)
#33. Pacific County, WA
- Cumulative cases per 100k: 18,059 (4,058 total cases)
--- 16.9% less cases per 100k residents than Washington
- Cumulative deaths per 100k: 267 (60 total deaths)
--- 54.3% more deaths per 100k residents than Washington
- Population that is fully vaccinated: 60.2% (13,519 fully vaccinated)
#32. Okanogan County, WA
- Cumulative cases per 100k: 21,367 (9,026 total cases)
--- 1.7% less cases per 100k residents than Washington
- Cumulative deaths per 100k: 301 (127 total deaths)
--- 74.0% more deaths per 100k residents than Washington
- Population that is fully vaccinated: 68.1% (28,764 fully vaccinated)
#31. Skamania County, WA
- Cumulative cases per 100k: 13,424 (1,622 total cases)
--- 38.2% less cases per 100k residents than Washington
- Cumulative deaths per 100k: 99 (12 total deaths)
--- 42.8% less deaths per 100k residents than Washington
- Population that is fully vaccinated: 39.0% (4,715 fully vaccinated)
#30. Kittitas County, WA
- Cumulative cases per 100k: 19,059 (9,136 total cases)
--- 12.3% less cases per 100k residents than Washington
- Cumulative deaths per 100k: 150 (72 total deaths)
--- 13.3% less deaths per 100k residents than Washington
- Population that is fully vaccinated: 54.4% (26,079 fully vaccinated)
#29. Adams County, WA
- Cumulative cases per 100k: 25,176 (5,031 total cases)
--- 15.9% more cases per 100k residents than Washington
- Cumulative deaths per 100k: 190 (38 total deaths)
--- 9.8% more deaths per 100k residents than Washington
- Population that is fully vaccinated: 60.8% (12,146 fully vaccinated)
#28. Kitsap County, WA
- Cumulative cases per 100k: 16,489 (44,763 total cases)
--- 24.1% less cases per 100k residents than Washington
- Cumulative deaths per 100k: 134 (364 total deaths)
--- 22.5% less deaths per 100k residents than Washington
- Population that is fully vaccinated: 70.9% (192,401 fully vaccinated)
#27. Stevens County, WA
- Cumulative cases per 100k: 18,892 (8,638 total cases)
--- 13.0% less cases per 100k residents than Washington
- Cumulative deaths per 100k: 328 (150 total deaths)
--- 89.6% more deaths per 100k residents than Washington
- Population that is fully vaccinated: 39.7% (18,132 fully vaccinated)
#26. Jefferson County, WA
- Cumulative cases per 100k: 11,446 (3,688 total cases)
--- 47.3% less cases per 100k residents than Washington
- Cumulative deaths per 100k: 93 (30 total deaths)
--- 46.2% less deaths per 100k residents than Washington
- Population that is fully vaccinated: 77.4% (24,940 fully vaccinated)
#25. Clark County, WA
- Cumulative cases per 100k: 19,953 (97,421 total cases)
--- 8.2% less cases per 100k residents than Washington
- Cumulative deaths per 100k: 172 (840 total deaths)
--- 0.6% less deaths per 100k residents than Washington
- Population that is fully vaccinated: 65.5% (319,805 fully vaccinated)
#24. Island County, WA
- Cumulative cases per 100k: 13,620 (11,596 total cases)
--- 37.3% less cases per 100k residents than Washington
- Cumulative deaths per 100k: 99 (84 total deaths)
--- 42.8% less deaths per 100k residents than Washington
- Population that is fully vaccinated: 77.1% (65,676 fully vaccinated)
#23. Yakima County, WA
- Cumulative cases per 100k: 29,636 (74,349 total cases)
--- 36.4% more cases per 100k residents than Washington
- Cumulative deaths per 100k: 318 (797 total deaths)
--- 83.8% more deaths per 100k residents than Washington
- Population that is fully vaccinated: 63.2% (158,588 fully vaccinated)
#22. Mason County, WA
- Cumulative cases per 100k: 20,077 (13,405 total cases)
--- 7.6% less cases per 100k residents than Washington
- Cumulative deaths per 100k: 214 (143 total deaths)
--- 23.7% more deaths per 100k residents than Washington
- Population that is fully vaccinated: 61.8% (41,262 fully vaccinated)
#21. Franklin County, WA
- Cumulative cases per 100k: 35,140 (33,461 total cases)
--- 61.7% more cases per 100k residents than Washington
- Cumulative deaths per 100k: 226 (215 total deaths)
--- 30.6% more deaths per 100k residents than Washington
- Population that is fully vaccinated: 53.5% (50,909 fully vaccinated)
#20. Cowlitz County, WA
- Cumulative cases per 100k: 22,077 (24,416 total cases)
--- 1.6% more cases per 100k residents than Washington
- Cumulative deaths per 100k: 320 (354 total deaths)
--- 85.0% more deaths per 100k residents than Washington
- Population that is fully vaccinated: 59.5% (65,850 fully vaccinated)
#19. Benton County, WA
- Cumulative cases per 100k: 26,948 (55,080 total cases)
--- 24.0% more cases per 100k residents than Washington
- Cumulative deaths per 100k: 236 (483 total deaths)
--- 36.4% more deaths per 100k residents than Washington
- Population that is fully vaccinated: 57.2% (116,889 fully vaccinated)

#18. Chelan County, WA
- Cumulative cases per 100k: 27,681 (21,370 total cases)
--- 27.4% more cases per 100k residents than Washington
- Cumulative deaths per 100k: 216 (167 total deaths)
--- 24.9% more deaths per 100k residents than Washington
- Population that is fully vaccinated: 71.1% (54,855 fully vaccinated)

#17. Grant County, WA
- Cumulative cases per 100k: 27,488 (26,865 total cases)
--- 26.5% more cases per 100k residents than Washington
- Cumulative deaths per 100k: 222 (217 total deaths)
--- 28.3% more deaths per 100k residents than Washington
- Population that is fully vaccinated: 57.7% (56,373 fully vaccinated)
#16. Douglas County, WA
- Cumulative cases per 100k: 27,127 (11,781 total cases)
--- 24.9% more cases per 100k residents than Washington
- Cumulative deaths per 100k: 163 (71 total deaths)
--- 5.8% less deaths per 100k residents than Washington
- Population that is fully vaccinated: 62.2% (27,018 fully vaccinated)
#15. Grays Harbor County, WA
- Cumulative cases per 100k: 23,914 (17,950 total cases)
--- 10.1% more cases per 100k residents than Washington
- Cumulative deaths per 100k: 274 (206 total deaths)
--- 58.4% more deaths per 100k residents than Washington
- Population that is fully vaccinated: 61.7% (46,279 fully vaccinated)

#14. Whatcom County, WA
- Cumulative cases per 100k: 18,675 (42,813 total cases)
--- 14.0% less cases per 100k residents than Washington
- Cumulative deaths per 100k: 136 (312 total deaths)
--- 21.4% less deaths per 100k residents than Washington
- Population that is fully vaccinated: 72.5% (166,256 fully vaccinated)

#13. Skagit County, WA
- Cumulative cases per 100k: 18,796 (24,285 total cases)
--- 13.5% less cases per 100k residents than Washington
- Cumulative deaths per 100k: 164 (212 total deaths)
--- 5.2% less deaths per 100k residents than Washington
- Population that is fully vaccinated: 67.8% (87,638 fully vaccinated)
#12. Clallam County, WA
- Cumulative cases per 100k: 17,179 (13,285 total cases)
--- 20.9% less cases per 100k residents than Washington
- Cumulative deaths per 100k: 195 (151 total deaths)
--- 12.7% more deaths per 100k residents than Washington
- Population that is fully vaccinated: 69.0% (53,367 fully vaccinated)
#11. Lincoln County, WA
- Cumulative cases per 100k: 21,364 (2,337 total cases)
--- 1.7% less cases per 100k residents than Washington
- Cumulative deaths per 100k: 265 (29 total deaths)
--- 53.2% more deaths per 100k residents than Washington
- Population that is fully vaccinated: 58.3% (6,382 fully vaccinated)
#10. Asotin County, WA
- Cumulative cases per 100k: 20,950 (4,731 total cases)
--- 3.6% less cases per 100k residents than Washington
- Cumulative deaths per 100k: 297 (67 total deaths)
--- 71.7% more deaths per 100k residents than Washington
- Population that is fully vaccinated: 42.2% (9,523 fully vaccinated)

#9. Spokane County, WA
- Cumulative cases per 100k: 25,491 (133,266 total cases)
--- 17.3% more cases per 100k residents than Washington
- Cumulative deaths per 100k: 271 (1,415 total deaths)
--- 56.6% more deaths per 100k residents than Washington
- Population that is fully vaccinated: 62.0% (324,243 fully vaccinated)
#8. Walla Walla County, WA
- Cumulative cases per 100k: 27,105 (16,469 total cases)
--- 24.8% more cases per 100k residents than Washington
- Cumulative deaths per 100k: 240 (146 total deaths)
--- 38.7% more deaths per 100k residents than Washington
- Population that is fully vaccinated: 64.2% (38,985 fully vaccinated)
#7. Pierce County, WA
- Cumulative cases per 100k: 23,493 (212,603 total cases)
--- 8.1% more cases per 100k residents than Washington
- Cumulative deaths per 100k: 159 (1,441 total deaths)
--- 8.1% less deaths per 100k residents than Washington
- Population that is fully vaccinated: 66.4% (600,553 fully vaccinated)
#6. Lewis County, WA
- Cumulative cases per 100k: 23,144 (18,679 total cases)
--- 6.5% more cases per 100k residents than Washington
- Cumulative deaths per 100k: 323 (261 total deaths)
--- 86.7% more deaths per 100k residents than Washington
- Population that is fully vaccinated: 51.9% (41,914 fully vaccinated)

#5. Thurston County, WA
- Cumulative cases per 100k: 18,482 (53,696 total cases)
--- 14.9% less cases per 100k residents than Washington
- Cumulative deaths per 100k: 147 (426 total deaths)
--- 15.0% less deaths per 100k residents than Washington
- Population that is fully vaccinated: 70.1% (203,636 fully vaccinated)
#4. Garfield County, WA
- Cumulative cases per 100k: 19,011 (423 total cases)
--- 12.5% less cases per 100k residents than Washington
- Cumulative deaths per 100k: 315 (7 total deaths)
--- 82.1% more deaths per 100k residents than Washington
- Population that is fully vaccinated: 39.7% (884 fully vaccinated)
#3. Snohomish County, WA
- Cumulative cases per 100k: 21,114 (173,576 total cases)
--- 2.8% less cases per 100k residents than Washington
- Cumulative deaths per 100k: 144 (1,186 total deaths)
--- 16.8% less deaths per 100k residents than Washington
- Population that is fully vaccinated: 71.3% (586,358 fully vaccinated)
#2. Ferry County, WA
- Cumulative cases per 100k: 19,785 (1,509 total cases)
--- 8.9% less cases per 100k residents than Washington
- Cumulative deaths per 100k: 380 (29 total deaths)
--- 119.7% more deaths per 100k residents than Washington
- Population that is fully vaccinated: 57.4% (4,376 fully vaccinated)

#1. King County, WA
- Cumulative cases per 100k: 20,490 (461,584 total cases)
--- 5.7% less cases per 100k residents than Washington
- Cumulative deaths per 100k: 128 (2,879 total deaths)
--- 26.0% less deaths per 100k residents than Washington
- Population that is fully vaccinated: 81.7% (1,841,567 fully vaccinated)