Counties with the highest cancer rates in Washington

Several factors contribute to cancer rates, from personal habits and genetics to air pollution or groundwater quality in a given area. People experiencing social, economic, or environmental disadvantages are disproportionately affected by high cancer rates in certain regions—including access or barriers to early screening and care.

Cancer rates also fluctuate by jobs: Higher rates of cancer can be found among meat industry and rubber manufacturing workers, and farmers.

Stacker compiled the counties with the highest cancer rates in Washington using data from the CDC. Keep reading to see where in your state cancer cases are the most common.

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#39. Whitman County

- Cancer rate per 100,000, 2016-2020: 200.1
- Age-adjusted rate per 100,000, 2016-2020: 244.8

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#38. Franklin County

- Cancer rate per 100,000, 2016-2020: 283.1
- Age-adjusted rate per 100,000, 2016-2020: 349.2

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#37. Adams County

- Cancer rate per 100,000, 2016-2020: 305.5
- Age-adjusted rate per 100,000, 2016-2020: 343.4

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#36. Yakima County

- Cancer rate per 100,000, 2016-2020: 419.2
- Age-adjusted rate per 100,000, 2016-2020: 399.5

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#35. Benton County

- Cancer rate per 100,000, 2016-2020: 422.4
- Age-adjusted rate per 100,000, 2016-2020: 373.2

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#34. Kittitas County

- Cancer rate per 100,000, 2016-2020: 423.8
- Age-adjusted rate per 100,000, 2016-2020: 355.9

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#33. Grant County

- Cancer rate per 100,000, 2016-2020: 435.6
- Age-adjusted rate per 100,000, 2016-2020: 414.5

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#32. Clark County

- Cancer rate per 100,000, 2016-2020: 439.6
- Age-adjusted rate per 100,000, 2016-2020: 377.0

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#31. Spokane County

- Cancer rate per 100,000, 2016-2020: 445.6
- Age-adjusted rate per 100,000, 2016-2020: 368.6

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#30. Walla Walla County

- Cancer rate per 100,000, 2016-2020: 447.1
- Age-adjusted rate per 100,000, 2016-2020: 351.5

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#29. Asotin County

- Cancer rate per 100,000, 2016-2020: 458.6
- Age-adjusted rate per 100,000, 2016-2020: 292.6

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#28. King County

- Cancer rate per 100,000, 2016-2020: 470.4
- Age-adjusted rate per 100,000, 2016-2020: 439.0

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#27. Ferry County

- Cancer rate per 100,000, 2016-2020: 502.4
- Age-adjusted rate per 100,000, 2016-2020: 283.7

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#26. Pierce County

- Cancer rate per 100,000, 2016-2020: 512.8
- Age-adjusted rate per 100,000, 2016-2020: 467.2

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#25. Stevens County

- Cancer rate per 100,000, 2016-2020: 513.8
- Age-adjusted rate per 100,000, 2016-2020: 330.4

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#24. Snohomish County

- Cancer rate per 100,000, 2016-2020: 525.4
- Age-adjusted rate per 100,000, 2016-2020: 473.7

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#23. Skamania County

- Cancer rate per 100,000, 2016-2020: 525.8
- Age-adjusted rate per 100,000, 2016-2020: 353.0

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#22. Cowlitz County

- Cancer rate per 100,000, 2016-2020: 526.6
- Age-adjusted rate per 100,000, 2016-2020: 386.7

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#21. Pend Oreille County

- Cancer rate per 100,000, 2016-2020: 554.9
- Age-adjusted rate per 100,000, 2016-2020: 323.9

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#20. Lincoln County

- Cancer rate per 100,000, 2016-2020: 568.4
- Age-adjusted rate per 100,000, 2016-2020: 334.9

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#19. Douglas County

- Cancer rate per 100,000, 2016-2020: 572.4
- Age-adjusted rate per 100,000, 2016-2020: 452.3

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#18. Whatcom County

- Cancer rate per 100,000, 2016-2020: 573.7
- Age-adjusted rate per 100,000, 2016-2020: 464.9

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#17. Lewis County

- Cancer rate per 100,000, 2016-2020: 583.2
- Age-adjusted rate per 100,000, 2016-2020: 401.7

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#16. Thurston County

- Cancer rate per 100,000, 2016-2020: 586.5
- Age-adjusted rate per 100,000, 2016-2020: 467.7

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#15. Garfield County

- Cancer rate per 100,000, 2016-2020: 593.3
- Age-adjusted rate per 100,000, 2016-2020: 344.1

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#14. Kitsap County

- Cancer rate per 100,000, 2016-2020: 614.9
- Age-adjusted rate per 100,000, 2016-2020: 476.6

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#13. Chelan County

- Cancer rate per 100,000, 2016-2020: 639.5
- Age-adjusted rate per 100,000, 2016-2020: 476.1

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#12. Klickitat County

- Cancer rate per 100,000, 2016-2020: 648.4
- Age-adjusted rate per 100,000, 2016-2020: 397.9

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#11. Wahkiakum County

- Cancer rate per 100,000, 2016-2020: 653.0
- Age-adjusted rate per 100,000, 2016-2020: 352.5

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#10. Columbia County

- Cancer rate per 100,000, 2016-2020: 671.0
- Age-adjusted rate per 100,000, 2016-2020: 386.4

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#9. Skagit County

- Cancer rate per 100,000, 2016-2020: 685.3
- Age-adjusted rate per 100,000, 2016-2020: 483.0

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#8. Okanogan County

- Cancer rate per 100,000, 2016-2020: 701.5
- Age-adjusted rate per 100,000, 2016-2020: 469.1

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#7. Grays Harbor County

- Cancer rate per 100,000, 2016-2020: 742.0
- Age-adjusted rate per 100,000, 2016-2020: 483.8

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#6. Island County

- Cancer rate per 100,000, 2016-2020: 752.8
- Age-adjusted rate per 100,000, 2016-2020: 477.7

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#5. Mason County

- Cancer rate per 100,000, 2016-2020: 774.3
- Age-adjusted rate per 100,000, 2016-2020: 489.1

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#4. Pacific County

- Cancer rate per 100,000, 2016-2020: 805.6
- Age-adjusted rate per 100,000, 2016-2020: 405.7

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#3. Clallam County

- Cancer rate per 100,000, 2016-2020: 902.4
- Age-adjusted rate per 100,000, 2016-2020: 491.2

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#2. San Juan County

- Cancer rate per 100,000, 2016-2020: 916.7
- Age-adjusted rate per 100,000, 2016-2020: 439.1

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#1. Jefferson County

- Cancer rate per 100,000, 2016-2020: 1,068.3
- Age-adjusted rate per 100,000, 2016-2020: 484.4