Counties with highest COVID-19 infection rates in Missouri
Counties with highest COVID-19 infection rates in Missouri
The United States by April 21 had reached 569,404 deaths due to COVID-19 and more than 31.9 million cases, according to Johns Hopkins University. Amid the grim numbers come two bright spots: As of Feb. 2, more Americans had been vaccinated for COVID-19 than had been infected; and since then, rolling averages for case counts and deaths have been on the decline.
Stacker compiled a list of the counties with highest COVID-19 infection rates in Missouri using data from the U.S. Department of Health & Human Services. Counties are ranked by the highest infection rate per 100k residents from 4/13/2021 to 4/19/2021. Ties are broken by total new cases.
As has been true throughout America’s COVID-19 history, every state—and even every county—has its own COVID-19 story, driven by local policies and behaviors. Keep reading to see where infection rates are highest in your home state.

#50. Jasper County
--- Compared to average rate of new cases in Missouri: 79.2% less cases per 100k residents
- Cumulative cases per 100k: 12,601 (15,288 total cases)
- New deaths per 100k in the past week: 0.8 (1 new deaths, 0% change from previous week)
- Cumulative deaths per 100k: 192 (233 total deaths)
- Test positivity rate: 2.2%

#49. Platte County
--- Compared to average rate of new cases in Missouri: 79.2% less cases per 100k residents
- Cumulative cases per 100k: 3,899 (4,071 total cases)
- New deaths per 100k in the past week: 1.0 (1 new deaths, -100% change from previous week)
- Cumulative deaths per 100k: 45 (47 total deaths)
- Test positivity rate: 3.5%

#48. Marion County
--- Compared to average rate of new cases in Missouri: 79.2% less cases per 100k residents
- Cumulative cases per 100k: 12,545 (3,579 total cases)
- New deaths per 100k in the past week: 0 (0 new deaths, -100% change from previous week)
- Cumulative deaths per 100k: 154 (44 total deaths)
- Test positivity rate: 2.4%
#47. Lincoln County
--- Compared to average rate of new cases in Missouri: 77.4% less cases per 100k residents
- Cumulative cases per 100k: 9,549 (5,635 total cases)
- New deaths per 100k in the past week: 0 (0 new deaths, -100% change from previous week)
- Cumulative deaths per 100k: 68 (40 total deaths)
- Test positivity rate: 6.0%
#46. Butler County
--- Compared to average rate of new cases in Missouri: 77.4% less cases per 100k residents
- Cumulative cases per 100k: 9,756 (4,144 total cases)
- New deaths per 100k in the past week: 4.7 (2 new deaths, -100% change from previous week)
- Cumulative deaths per 100k: 99 (42 total deaths)
- Test positivity rate: 10.8%
#45. Adair County
--- Compared to average rate of new cases in Missouri: 77.4% less cases per 100k residents
- Cumulative cases per 100k: 9,281 (2,352 total cases)
- New deaths per 100k in the past week: 0 (0 new deaths, -100% change from previous week)
- Cumulative deaths per 100k: 75 (19 total deaths)
- Test positivity rate: 0.0%
#44. Carroll County
--- Compared to average rate of new cases in Missouri: 77.4% less cases per 100k residents
- Cumulative cases per 100k: 11,810 (1,025 total cases)
- New deaths per 100k in the past week: 0 (0 new deaths, -100% change from previous week)
- Cumulative deaths per 100k: 265 (23 total deaths)
- Test positivity rate: 12.0%
#43. Boone County
--- Compared to average rate of new cases in Missouri: 75.5% less cases per 100k residents
- Cumulative cases per 100k: 9,794 (17,674 total cases)
- New deaths per 100k in the past week: 0.6 (1 new deaths, -67% change from previous week)
- Cumulative deaths per 100k: 50 (90 total deaths)
- Test positivity rate: 3.4%
#42. Ray County
--- Compared to average rate of new cases in Missouri: 75.5% less cases per 100k residents
- Cumulative cases per 100k: 8,359 (1,924 total cases)
- New deaths per 100k in the past week: 0 (0 new deaths, -100% change from previous week)
- Cumulative deaths per 100k: 117 (27 total deaths)
- Test positivity rate: 3.3%
#41. Crawford County
--- Compared to average rate of new cases in Missouri: 75.5% less cases per 100k residents
- Cumulative cases per 100k: 10,589 (2,533 total cases)
- New deaths per 100k in the past week: 0 (0 new deaths, -100% change from previous week)
- Cumulative deaths per 100k: 151 (36 total deaths)
- Test positivity rate: 4.3%
#40. Christian County
--- Compared to average rate of new cases in Missouri: 73.6% less cases per 100k residents
- Cumulative cases per 100k: 9,353 (8,286 total cases)
- New deaths per 100k in the past week: 2.3 (2 new deaths, +100% change from previous week)
- Cumulative deaths per 100k: 103 (91 total deaths)
- Test positivity rate: 6.2%
#39. Newton County
--- Compared to average rate of new cases in Missouri: 73.6% less cases per 100k residents
- Cumulative cases per 100k: 8,960 (5,218 total cases)
- New deaths per 100k in the past week: 0 (0 new deaths, -100% change from previous week)
- Cumulative deaths per 100k: 127 (74 total deaths)
- Test positivity rate: 4.8%
#38. Henry County
--- Compared to average rate of new cases in Missouri: 73.6% less cases per 100k residents
- Cumulative cases per 100k: 9,095 (1,985 total cases)
- New deaths per 100k in the past week: 0 (0 new deaths, -100% change from previous week)
- Cumulative deaths per 100k: 174 (38 total deaths)
- Test positivity rate: 2.3%
#37. Cedar County
--- Compared to average rate of new cases in Missouri: 73.6% less cases per 100k residents
- Cumulative cases per 100k: 7,408 (1,063 total cases)
- New deaths per 100k in the past week: 7.0 (1 new deaths, -100% change from previous week)
- Cumulative deaths per 100k: 146 (21 total deaths)
- Test positivity rate: 5.9%

#36. Webster County
--- Compared to average rate of new cases in Missouri: 71.7% less cases per 100k residents
- Cumulative cases per 100k: 8,924 (3,533 total cases)
- New deaths per 100k in the past week: 0 (0 new deaths, -100% change from previous week)
- Cumulative deaths per 100k: 134 (53 total deaths)
- Test positivity rate: 5.2%
#35. Vernon County
--- Compared to average rate of new cases in Missouri: 71.7% less cases per 100k residents
- Cumulative cases per 100k: 9,289 (1,910 total cases)
- New deaths per 100k in the past week: 0 (0 new deaths, -100% change from previous week)
- Cumulative deaths per 100k: 209 (43 total deaths)
- Test positivity rate: 11.1%

#34. Osage County
--- Compared to average rate of new cases in Missouri: 71.7% less cases per 100k residents
- Cumulative cases per 100k: 11,811 (1,608 total cases)
- New deaths per 100k in the past week: 0 (0 new deaths, -100% change from previous week)
- Cumulative deaths per 100k: 103 (14 total deaths)
- Test positivity rate: 7.7%
#33. Douglas County
--- Compared to average rate of new cases in Missouri: 71.7% less cases per 100k residents
- Cumulative cases per 100k: 6,765 (892 total cases)
- New deaths per 100k in the past week: 0 (0 new deaths, -100% change from previous week)
- Cumulative deaths per 100k: 205 (27 total deaths)
- Test positivity rate: 1.9%
#32. Lawrence County
--- Compared to average rate of new cases in Missouri: 69.8% less cases per 100k residents
- Cumulative cases per 100k: 8,784 (3,369 total cases)
- New deaths per 100k in the past week: 0 (0 new deaths, -100% change from previous week)
- Cumulative deaths per 100k: 209 (80 total deaths)
- Test positivity rate: 0.5%
#31. Miller County
--- Compared to average rate of new cases in Missouri: 69.8% less cases per 100k residents
- Cumulative cases per 100k: 9,825 (2,517 total cases)
- New deaths per 100k in the past week: 0 (0 new deaths, -100% change from previous week)
- Cumulative deaths per 100k: 211 (54 total deaths)
- Test positivity rate: 5.0%
#30. Howell County
--- Compared to average rate of new cases in Missouri: 67.9% less cases per 100k residents
- Cumulative cases per 100k: 8,565 (3,436 total cases)
- New deaths per 100k in the past week: 0 (0 new deaths, -100% change from previous week)
- Cumulative deaths per 100k: 107 (43 total deaths)
- Test positivity rate: 0.0%
#29. Stoddard County
--- Compared to average rate of new cases in Missouri: 67.9% less cases per 100k residents
- Cumulative cases per 100k: 8,489 (2,464 total cases)
- New deaths per 100k in the past week: 0 (0 new deaths, -100% change from previous week)
- Cumulative deaths per 100k: 127 (37 total deaths)
- Test positivity rate: 6.0%
#28. Ste. Genevieve County
--- Compared to average rate of new cases in Missouri: 67.9% less cases per 100k residents
- Cumulative cases per 100k: 10,031 (1,795 total cases)
- New deaths per 100k in the past week: 0 (0 new deaths, -100% change from previous week)
- Cumulative deaths per 100k: 89 (16 total deaths)
- Test positivity rate: 3.3%
#27. Barton County
--- Compared to average rate of new cases in Missouri: 67.9% less cases per 100k residents
- Cumulative cases per 100k: 9,886 (1,162 total cases)
- New deaths per 100k in the past week: 0 (0 new deaths, -100% change from previous week)
- Cumulative deaths per 100k: 119 (14 total deaths)
- Test positivity rate: 19.4%
#26. Dallas County
--- Compared to average rate of new cases in Missouri: 66.0% less cases per 100k residents
- Cumulative cases per 100k: 7,329 (1,237 total cases)
- New deaths per 100k in the past week: 5.9 (1 new deaths, -100% change from previous week)
- Cumulative deaths per 100k: 160 (27 total deaths)
- Test positivity rate: 0.0%

#25. Camden County
--- Compared to average rate of new cases in Missouri: 64.2% less cases per 100k residents
- Cumulative cases per 100k: 8,736 (4,045 total cases)
- New deaths per 100k in the past week: 0 (0 new deaths, -100% change from previous week)
- Cumulative deaths per 100k: 186 (86 total deaths)
- Test positivity rate: 9.1%
#24. Pettis County
--- Compared to average rate of new cases in Missouri: 64.2% less cases per 100k residents
- Cumulative cases per 100k: 11,970 (5,068 total cases)
- New deaths per 100k in the past week: 0 (0 new deaths, -100% change from previous week)
- Cumulative deaths per 100k: 184 (78 total deaths)
- Test positivity rate: 9.3%
#23. Stone County
--- Compared to average rate of new cases in Missouri: 64.2% less cases per 100k residents
- Cumulative cases per 100k: 7,483 (2,391 total cases)
- New deaths per 100k in the past week: 0 (0 new deaths, -100% change from previous week)
- Cumulative deaths per 100k: 128 (41 total deaths)
- Test positivity rate: 4.3%
#22. Ralls County
--- Compared to average rate of new cases in Missouri: 64.2% less cases per 100k residents
- Cumulative cases per 100k: 10,146 (1,046 total cases)
- New deaths per 100k in the past week: 0 (0 new deaths, -100% change from previous week)
- Cumulative deaths per 100k: 116 (12 total deaths)
- Test positivity rate: 5.6%
#21. Iron County
--- Compared to average rate of new cases in Missouri: 62.3% less cases per 100k residents
- Cumulative cases per 100k: 8,553 (866 total cases)
- New deaths per 100k in the past week: 0 (0 new deaths, -100% change from previous week)
- Cumulative deaths per 100k: 59 (6 total deaths)
- Test positivity rate: 7.1%
#20. Perry County
--- Compared to average rate of new cases in Missouri: 60.4% less cases per 100k residents
- Cumulative cases per 100k: 11,329 (2,168 total cases)
- New deaths per 100k in the past week: 0 (0 new deaths, -100% change from previous week)
- Cumulative deaths per 100k: 157 (30 total deaths)
- Test positivity rate: 14.3%

#19. St. Clair County
--- Compared to average rate of new cases in Missouri: 60.4% less cases per 100k residents
- Cumulative cases per 100k: 8,269 (777 total cases)
- New deaths per 100k in the past week: 0 (0 new deaths, -100% change from previous week)
- Cumulative deaths per 100k: 85 (8 total deaths)
- Test positivity rate: 0.0%
#18. Cass County
--- Compared to average rate of new cases in Missouri: 58.5% less cases per 100k residents
- Cumulative cases per 100k: 8,486 (8,977 total cases)
- New deaths per 100k in the past week: 2.8 (3 new deaths, -40% change from previous week)
- Cumulative deaths per 100k: 101 (107 total deaths)
- Test positivity rate: 3.5%
#17. Warren County
--- Compared to average rate of new cases in Missouri: 58.5% less cases per 100k residents
- Cumulative cases per 100k: 8,586 (3,061 total cases)
- New deaths per 100k in the past week: 2.8 (1 new deaths, 0% change from previous week)
- Cumulative deaths per 100k: 62 (22 total deaths)
- Test positivity rate: 6.5%

#16. St. Charles County
--- Compared to average rate of new cases in Missouri: 56.6% less cases per 100k residents
- Cumulative cases per 100k: 10,391 (41,774 total cases)
- New deaths per 100k in the past week: 0.2 (1 new deaths, -90% change from previous week)
- Cumulative deaths per 100k: 112 (449 total deaths)
- Test positivity rate: 7.2%

#15. Jefferson County
--- Compared to average rate of new cases in Missouri: 54.7% less cases per 100k residents
- Cumulative cases per 100k: 10,073 (22,673 total cases)
- New deaths per 100k in the past week: 1.3 (3 new deaths, 0% change from previous week)
- Cumulative deaths per 100k: 107 (240 total deaths)
- Test positivity rate: 8.7%
#14. Daviess County
--- Compared to average rate of new cases in Missouri: 54.7% less cases per 100k residents
- Cumulative cases per 100k: 8,432 (698 total cases)
- New deaths per 100k in the past week: 0 (0 new deaths, -100% change from previous week)
- Cumulative deaths per 100k: 133 (11 total deaths)
- Test positivity rate: 0.0%
#13. Bates County
--- Compared to average rate of new cases in Missouri: 52.8% less cases per 100k residents
- Cumulative cases per 100k: 8,039 (1,300 total cases)
- New deaths per 100k in the past week: 12.4 (2 new deaths, -100% change from previous week)
- Cumulative deaths per 100k: 179 (29 total deaths)
- Test positivity rate: 3.4%
#12. Gasconade County
--- Compared to average rate of new cases in Missouri: 49.1% less cases per 100k residents
- Cumulative cases per 100k: 10,322 (1,518 total cases)
- New deaths per 100k in the past week: 0 (0 new deaths, -100% change from previous week)
- Cumulative deaths per 100k: 299 (44 total deaths)
- Test positivity rate: 7.7%

#11. Jackson County
--- Compared to average rate of new cases in Missouri: 47.2% less cases per 100k residents
- Cumulative cases per 100k: 11,317 (79,557 total cases)
- New deaths per 100k in the past week: 1.1 (8 new deaths, -11% change from previous week)
- Cumulative deaths per 100k: 140 (983 total deaths)
- Test positivity rate: 4.5%
#10. Dunklin County
--- Compared to average rate of new cases in Missouri: 35.8% less cases per 100k residents
- Cumulative cases per 100k: 9,519 (2,773 total cases)
- New deaths per 100k in the past week: 3.4 (1 new deaths, 0% change from previous week)
- Cumulative deaths per 100k: 76 (22 total deaths)
- Test positivity rate: 0.0%
#9. Linn County
--- Compared to average rate of new cases in Missouri: 35.8% less cases per 100k residents
- Cumulative cases per 100k: 9,832 (1,172 total cases)
- New deaths per 100k in the past week: 8.4 (1 new deaths, -100% change from previous week)
- Cumulative deaths per 100k: 109 (13 total deaths)
- Test positivity rate: 0.0%
#8. Shelby County
--- Compared to average rate of new cases in Missouri: 35.8% less cases per 100k residents
- Cumulative cases per 100k: 9,578 (568 total cases)
- New deaths per 100k in the past week: 0 (0 new deaths, -100% change from previous week)
- Cumulative deaths per 100k: 118 (7 total deaths)
- Test positivity rate: 0.0%
#7. Nodaway County
--- Compared to average rate of new cases in Missouri: 32.1% less cases per 100k residents
- Cumulative cases per 100k: 12,131 (2,680 total cases)
- New deaths per 100k in the past week: 0 (0 new deaths, -100% change from previous week)
- Cumulative deaths per 100k: 113 (25 total deaths)
- Test positivity rate: 8.2%
#6. Wright County
--- Compared to average rate of new cases in Missouri: 13.2% more cases per 100k residents
- Cumulative cases per 100k: 8,481 (1,551 total cases)
- New deaths per 100k in the past week: 5.5 (1 new deaths, -100% change from previous week)
- Cumulative deaths per 100k: 164 (30 total deaths)
- Test positivity rate: 0.0%
#5. Holt County
--- Compared to average rate of new cases in Missouri: 28.3% more cases per 100k residents
- Cumulative cases per 100k: 9,857 (434 total cases)
- New deaths per 100k in the past week: 22.7 (1 new deaths, 0% change from previous week)
- Cumulative deaths per 100k: 295 (13 total deaths)
- Test positivity rate: 19.0%
#4. Pemiscot County
--- Compared to average rate of new cases in Missouri: 32.1% more cases per 100k residents
- Cumulative cases per 100k: 9,883 (1,562 total cases)
- New deaths per 100k in the past week: 6.3 (1 new deaths, -100% change from previous week)
- Cumulative deaths per 100k: 190 (30 total deaths)
- Test positivity rate: 5.7%
#3. St. Louis County
--- Compared to average rate of new cases in Missouri: 113.2% more cases per 100k residents
- Cumulative cases per 100k: 9,629 (95,728 total cases)
- New deaths per 100k in the past week: 3.5 (35 new deaths, +400% change from previous week)
- Cumulative deaths per 100k: 216 (2,145 total deaths)
- Test positivity rate: 8.0%
#2. St. Louis city
--- Compared to average rate of new cases in Missouri: 132.1% more cases per 100k residents
- Cumulative cases per 100k: 7,806 (23,462 total cases)
- New deaths per 100k in the past week: 0.7 (2 new deaths, 0% change from previous week)
- Cumulative deaths per 100k: 153 (461 total deaths)
- Test positivity rate: 5.0%
#1. McDonald County
--- Compared to average rate of new cases in Missouri: 205.7% more cases per 100k residents
- Cumulative cases per 100k: 10,290 (2,350 total cases)
- New deaths per 100k in the past week: 8.8 (2 new deaths, -100% change from previous week)
- Cumulative deaths per 100k: 123 (28 total deaths)
- Test positivity rate: 0.0%


