Counties with the highest rates of strokes in South Dakota

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- Age-adjusted rate of all strokes among adults, estimates for 2021: 2.6% (range between 2.2% and 2.9%)
- Death rate for ischemic strokes, 2018-20: 17.6 per 100K people
- Death rate for hemorrhagic strokes, 2018-20: 7.6 per 100K people
#50. Marshall County
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- Age-adjusted rate of all strokes among adults, estimates for 2021: 2.6% (range between 2.3% and 3.0%)
- Death rate for ischemic strokes, 2018-20: 17.7 per 100K people
- Death rate for hemorrhagic strokes, 2018-20: 8.9 per 100K people
#49. Lawrence County
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- Age-adjusted rate of all strokes among adults, estimates for 2021: 2.6% (range between 2.3% and 3.0%)
- Death rate for ischemic strokes, 2018-20: 18.3 per 100K people
- Death rate for hemorrhagic strokes, 2018-20: 7.3 per 100K people
#48. Pennington County
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- Age-adjusted rate of all strokes among adults, estimates for 2021: 2.6% (range between 2.2% and 2.9%)
- Death rate for ischemic strokes, 2018-20: 18.5 per 100K people
- Death rate for hemorrhagic strokes, 2018-20: 8.4 per 100K people
#47. Meade County
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- Age-adjusted rate of all strokes among adults, estimates for 2021: 2.6% (range between 2.3% and 3.0%)
- Death rate for ischemic strokes, 2018-20: 19.7 per 100K people
- Death rate for hemorrhagic strokes, 2018-20: 8.7 per 100K people

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#46. Turner County
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- Age-adjusted rate of all strokes among adults, estimates for 2021: 2.6% (range between 2.2% and 2.9%)
- Death rate for ischemic strokes, 2018-20: 20.0 per 100K people
- Death rate for hemorrhagic strokes, 2018-20: 7.1 per 100K people
#45. Edmunds County
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- Age-adjusted rate of all strokes among adults, estimates for 2021: 2.6% (range between 2.3% and 3.0%)
- Death rate for ischemic strokes, 2018-20: 20.1 per 100K people
- Death rate for hemorrhagic strokes, 2018-20: 5.4 per 100K people
#44. Jerauld County
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- Age-adjusted rate of all strokes among adults, estimates for 2021: 2.6% (range between 2.3% and 3.0%)
- Death rate for ischemic strokes, 2018-20: 20.3 per 100K people
- Death rate for hemorrhagic strokes, 2018-20: 6.5 per 100K people
#43. Potter County
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- Age-adjusted rate of all strokes among adults, estimates for 2021: 2.6% (range between 2.2% and 2.9%)
- Death rate for ischemic strokes, 2018-20: 20.3 per 100K people
- Death rate for hemorrhagic strokes, 2018-20: 9.4 per 100K people
#42. Deuel County
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- Age-adjusted rate of all strokes among adults, estimates for 2021: 2.6% (range between 2.3% and 2.9%)
- Death rate for ischemic strokes, 2018-20: 20.9 per 100K people
- Death rate for hemorrhagic strokes, 2018-20: 8.6 per 100K people

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#41. Hamlin County
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- Age-adjusted rate of all strokes among adults, estimates for 2021: 2.6% (range between 2.3% and 3.0%)
- Death rate for ischemic strokes, 2018-20: 21.8 per 100K people
- Death rate for hemorrhagic strokes, 2018-20: -1.0 per 100K people
#40. Harding County
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- Age-adjusted rate of all strokes among adults, estimates for 2021: 2.6% (range between 2.3% and 2.9%)
- Death rate for ischemic strokes, 2018-20: 22.5 per 100K people
- Death rate for hemorrhagic strokes, 2018-20: 5.8 per 100K people
#39. Hanson County
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- Age-adjusted rate of all strokes among adults, estimates for 2021: 2.6% (range between 2.3% and 3.0%)
- Death rate for ischemic strokes, 2018-20: 24.0 per 100K people
- Death rate for hemorrhagic strokes, 2018-20: 4.7 per 100K people
#38. Aurora County
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- Age-adjusted rate of all strokes among adults, estimates for 2021: 2.6% (range between 2.2% and 3.0%)
- Death rate for ischemic strokes, 2018-20: 27.3 per 100K people
- Death rate for hemorrhagic strokes, 2018-20: -1.0 per 100K people
#37. Campbell County
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- Age-adjusted rate of all strokes among adults, estimates for 2021: 2.6% (range between 2.2% and 3.0%)
- Death rate for ischemic strokes, 2018-20: 27.5 per 100K people
- Death rate for hemorrhagic strokes, 2018-20: 9.7 per 100K people

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#36. Lake County
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- Age-adjusted rate of all strokes among adults, estimates for 2021: 2.7% (range between 2.4% and 3.0%)
- Death rate for ischemic strokes, 2018-20: 16.0 per 100K people
- Death rate for hemorrhagic strokes, 2018-20: -1.0 per 100K people
#35. Hyde County
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- Age-adjusted rate of all strokes among adults, estimates for 2021: 2.7% (range between 2.4% and 3.1%)
- Death rate for ischemic strokes, 2018-20: 18.5 per 100K people
- Death rate for hemorrhagic strokes, 2018-20: 7.5 per 100K people
#34. Custer County
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- Age-adjusted rate of all strokes among adults, estimates for 2021: 2.7% (range between 2.4% and 3.1%)
- Death rate for ischemic strokes, 2018-20: 19.9 per 100K people
- Death rate for hemorrhagic strokes, 2018-20: 9.5 per 100K people
#33. Perkins County
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- Age-adjusted rate of all strokes among adults, estimates for 2021: 2.7% (range between 2.4% and 3.0%)
- Death rate for ischemic strokes, 2018-20: 22.6 per 100K people
- Death rate for hemorrhagic strokes, 2018-20: 6.6 per 100K people
#32. Sanborn County
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- Age-adjusted rate of all strokes among adults, estimates for 2021: 2.7% (range between 2.3% and 3.0%)
- Death rate for ischemic strokes, 2018-20: 23.8 per 100K people
- Death rate for hemorrhagic strokes, 2018-20: 6.5 per 100K people

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#31. Miner County
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- Age-adjusted rate of all strokes among adults, estimates for 2021: 2.7% (range between 2.4% and 3.0%)
- Death rate for ischemic strokes, 2018-20: 24.3 per 100K people
- Death rate for hemorrhagic strokes, 2018-20: 10.0 per 100K people
#30. Moody County
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- Age-adjusted rate of all strokes among adults, estimates for 2021: 2.7% (range between 2.4% and 3.1%)
- Death rate for ischemic strokes, 2018-20: 24.9 per 100K people
- Death rate for hemorrhagic strokes, 2018-20: 5.2 per 100K people
#29. Douglas County
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- Age-adjusted rate of all strokes among adults, estimates for 2021: 2.7% (range between 2.3% and 3.1%)
- Death rate for ischemic strokes, 2018-20: 28.7 per 100K people
- Death rate for hemorrhagic strokes, 2018-20: 5.5 per 100K people
#28. Hutchinson County
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- Age-adjusted rate of all strokes among adults, estimates for 2021: 2.8% (range between 2.4% and 3.1%)
- Death rate for ischemic strokes, 2018-20: 11.3 per 100K people
- Death rate for hemorrhagic strokes, 2018-20: 8.4 per 100K people
#27. Clay County
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- Age-adjusted rate of all strokes among adults, estimates for 2021: 2.8% (range between 2.4% and 3.2%)
- Death rate for ischemic strokes, 2018-20: 18.7 per 100K people
- Death rate for hemorrhagic strokes, 2018-20: 7.2 per 100K people

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#26. McPherson County
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- Age-adjusted rate of all strokes among adults, estimates for 2021: 2.8% (range between 2.4% and 3.1%)
- Death rate for ischemic strokes, 2018-20: 19.2 per 100K people
- Death rate for hemorrhagic strokes, 2018-20: 9.9 per 100K people
#25. Codington County
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- Age-adjusted rate of all strokes among adults, estimates for 2021: 2.8% (range between 2.4% and 3.2%)
- Death rate for ischemic strokes, 2018-20: 20.8 per 100K people
- Death rate for hemorrhagic strokes, 2018-20: 6.7 per 100K people
#24. Faulk County
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- Age-adjusted rate of all strokes among adults, estimates for 2021: 2.8% (range between 2.4% and 3.2%)
- Death rate for ischemic strokes, 2018-20: 29.7 per 100K people
- Death rate for hemorrhagic strokes, 2018-20: 5.1 per 100K people
#23. Davison County
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- Age-adjusted rate of all strokes among adults, estimates for 2021: 2.9% (range between 2.6% and 3.4%)
- Death rate for ischemic strokes, 2018-20: 17.9 per 100K people
- Death rate for hemorrhagic strokes, 2018-20: 10.4 per 100K people
#22. Butte County
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- Age-adjusted rate of all strokes among adults, estimates for 2021: 2.9% (range between 2.5% and 3.2%)
- Death rate for ischemic strokes, 2018-20: 20.4 per 100K people
- Death rate for hemorrhagic strokes, 2018-20: 9.8 per 100K people

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#21. Walworth County
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- Age-adjusted rate of all strokes among adults, estimates for 2021: 2.9% (range between 2.5% and 3.3%)
- Death rate for ischemic strokes, 2018-20: 20.6 per 100K people
- Death rate for hemorrhagic strokes, 2018-20: 6.5 per 100K people
#20. Beadle County
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- Age-adjusted rate of all strokes among adults, estimates for 2021: 3.0% (range between 2.6% and 3.4%)
- Death rate for ischemic strokes, 2018-20: 15.6 per 100K people
- Death rate for hemorrhagic strokes, 2018-20: 2.3 per 100K people
#19. Brule County
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- Age-adjusted rate of all strokes among adults, estimates for 2021: 3.0% (range between 2.6% and 3.4%)
- Death rate for ischemic strokes, 2018-20: 18.5 per 100K people
- Death rate for hemorrhagic strokes, 2018-20: 8.9 per 100K people
#18. Day County
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- Age-adjusted rate of all strokes among adults, estimates for 2021: 3.0% (range between 2.6% and 3.4%)
- Death rate for ischemic strokes, 2018-20: 18.6 per 100K people
- Death rate for hemorrhagic strokes, 2018-20: 7.5 per 100K people
#17. Gregory County
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- Age-adjusted rate of all strokes among adults, estimates for 2021: 3.0% (range between 2.6% and 3.4%)
- Death rate for ischemic strokes, 2018-20: 18.8 per 100K people
- Death rate for hemorrhagic strokes, 2018-20: 7.7 per 100K people

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#16. Haakon County
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- Age-adjusted rate of all strokes among adults, estimates for 2021: 3.0% (range between 2.6% and 3.4%)
- Death rate for ischemic strokes, 2018-20: 21.3 per 100K people
- Death rate for hemorrhagic strokes, 2018-20: 3.5 per 100K people
#15. Bon Homme County
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- Age-adjusted rate of all strokes among adults, estimates for 2021: 3.1% (range between 2.8% and 3.5%)
- Death rate for ischemic strokes, 2018-20: 16.8 per 100K people
- Death rate for hemorrhagic strokes, 2018-20: 3.4 per 100K people
#14. Fall River County
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- Age-adjusted rate of all strokes among adults, estimates for 2021: 3.3% (range between 2.9% and 3.8%)
- Death rate for ischemic strokes, 2018-20: 14.3 per 100K people
- Death rate for hemorrhagic strokes, 2018-20: 19.2 per 100K people
#13. Tripp County
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- Age-adjusted rate of all strokes among adults, estimates for 2021: 3.5% (range between 3.1% and 4.0%)
- Death rate for ischemic strokes, 2018-20: 22.5 per 100K people
- Death rate for hemorrhagic strokes, 2018-20: 1.1 per 100K people
#12. Charles Mix County
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- Age-adjusted rate of all strokes among adults, estimates for 2021: 3.7% (range between 3.2% and 4.1%)
- Death rate for ischemic strokes, 2018-20: 17.6 per 100K people
- Death rate for hemorrhagic strokes, 2018-20: 19.6 per 100K people

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#11. Lyman County
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- Age-adjusted rate of all strokes among adults, estimates for 2021: 3.7% (range between 3.3% and 4.1%)
- Death rate for ischemic strokes, 2018-20: 19.2 per 100K people
- Death rate for hemorrhagic strokes, 2018-20: 8.8 per 100K people
#10. Roberts County
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- Age-adjusted rate of all strokes among adults, estimates for 2021: 4.3% (range between 3.9% and 4.9%)
- Death rate for ischemic strokes, 2018-20: 16.5 per 100K people
- Death rate for hemorrhagic strokes, 2018-20: 9.8 per 100K people
#9. Bennett County
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- Age-adjusted rate of all strokes among adults, estimates for 2021: 4.9% (range between 4.4% and 5.4%)
- Death rate for ischemic strokes, 2018-20: 17.5 per 100K people
- Death rate for hemorrhagic strokes, 2018-20: 6.7 per 100K people
#8. Jackson County
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- Age-adjusted rate of all strokes among adults, estimates for 2021: 5.0% (range between 4.4% and 5.6%)
- Death rate for ischemic strokes, 2018-20: 17.0 per 100K people
- Death rate for hemorrhagic strokes, 2018-20: 8.4 per 100K people
#7. Dewey County
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- Age-adjusted rate of all strokes among adults, estimates for 2021: 5.0% (range between 4.5% and 5.6%)
- Death rate for ischemic strokes, 2018-20: 19.3 per 100K people
- Death rate for hemorrhagic strokes, 2018-20: 10.8 per 100K people

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#6. Corson County
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- Age-adjusted rate of all strokes among adults, estimates for 2021: 5.3% (range between 4.7% and 5.9%)
- Death rate for ischemic strokes, 2018-20: 15.9 per 100K people
- Death rate for hemorrhagic strokes, 2018-20: 20.3 per 100K people
#5. Mellette County
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- Age-adjusted rate of all strokes among adults, estimates for 2021: 5.3% (range between 4.7% and 5.9%)
- Death rate for ischemic strokes, 2018-20: 18.6 per 100K people
- Death rate for hemorrhagic strokes, 2018-20: 8.2 per 100K people
#4. Ziebach County
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- Age-adjusted rate of all strokes among adults, estimates for 2021: 5.5% (range between 4.9% and 6.1%)
- Death rate for ischemic strokes, 2018-20: 17.8 per 100K people
- Death rate for hemorrhagic strokes, 2018-20: 12.6 per 100K people
#3. Buffalo County
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- Age-adjusted rate of all strokes among adults, estimates for 2021: 6.6% (range between 5.8% and 7.4%)
- Death rate for ischemic strokes, 2018-20: 15.6 per 100K people
- Death rate for hemorrhagic strokes, 2018-20: 7.1 per 100K people
#2. Oglala Lakota County
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- Age-adjusted rate of all strokes among adults, estimates for 2021: 6.7% (range between 6.0% and 7.5%)
- Death rate for ischemic strokes, 2018-20: 14.8 per 100K people
- Death rate for hemorrhagic strokes, 2018-20: 20.2 per 100K people

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This story features data reporting and writing by Emma Rubin and is part of a series utilizing data automation across 49 states.

#1. Todd County
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