Counties with highest COVID-19 infection rates in Mississippi
Counties with highest COVID-19 infection rates in Mississippi
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 May 11 reached 998,305 COVID-19-related deaths and 82.1 million COVID-19 cases, according to Johns Hopkins University. Currently, 66.3% of the population is fully vaccinated, and 46.1% of vaccinated people have received booster doses.
Stacker compiled a list of the counties with highest COVID-19 infection rates in Mississippi 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 May 10, 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.
#50. Benton County, MS
- Cumulative cases per 100k: 27,534 (2,274 total cases)
--- 2.5% more cases per 100k residents than Mississippi
- Cumulative deaths per 100k: 593 (49 total deaths)
--- 41.9% more deaths per 100k residents than Mississippi
- Population that is fully vaccinated: 51.9% (4,288 fully vaccinated)
#49. Greene County, MS
- Cumulative cases per 100k: 23,539 (3,198 total cases)
--- 12.4% less cases per 100k residents than Mississippi
- Cumulative deaths per 100k: 434 (59 total deaths)
--- 3.8% more deaths per 100k residents than Mississippi
- Population that is fully vaccinated: 37.3% (5,074 fully vaccinated)
#48. Marion County, MS
- Cumulative cases per 100k: 28,381 (6,974 total cases)
--- 5.6% more cases per 100k residents than Mississippi
- Cumulative deaths per 100k: 549 (135 total deaths)
--- 31.3% more deaths per 100k residents than Mississippi
- Population that is fully vaccinated: 46.4% (11,396 fully vaccinated)
#47. George County, MS
- Cumulative cases per 100k: 29,237 (7,163 total cases)
--- 8.8% more cases per 100k residents than Mississippi
- Cumulative deaths per 100k: 355 (87 total deaths)
--- 15.1% less deaths per 100k residents than Mississippi
- Population that is fully vaccinated: 40.4% (9,895 fully vaccinated)
#46. Itawamba County, MS
- Cumulative cases per 100k: 31,766 (7,430 total cases)
--- 18.2% more cases per 100k residents than Mississippi
- Cumulative deaths per 100k: 616 (144 total deaths)
--- 47.4% more deaths per 100k residents than Mississippi
- Population that is fully vaccinated: 34.8% (8,132 fully vaccinated)
#45. Clarke County, MS
- Cumulative cases per 100k: 27,276 (4,239 total cases)
--- 1.5% more cases per 100k residents than Mississippi
- Cumulative deaths per 100k: 695 (108 total deaths)
--- 66.3% more deaths per 100k residents than Mississippi
- Population that is fully vaccinated: 57.1% (8,872 fully vaccinated)
#44. Warren County, MS
- Cumulative cases per 100k: 22,587 (10,250 total cases)
--- 15.9% less cases per 100k residents than Mississippi
- Cumulative deaths per 100k: 445 (202 total deaths)
--- 6.5% more deaths per 100k residents than Mississippi
- Population that is fully vaccinated: 57.8% (26,208 fully vaccinated)

#43. Forrest County, MS
- Cumulative cases per 100k: 29,475 (22,076 total cases)
--- 9.7% more cases per 100k residents than Mississippi
- Cumulative deaths per 100k: 421 (315 total deaths)
--- 0.7% more deaths per 100k residents than Mississippi
- Population that is fully vaccinated: 43.7% (32,713 fully vaccinated)
#42. Tippah County, MS
- Cumulative cases per 100k: 33,436 (7,361 total cases)
--- 24.5% more cases per 100k residents than Mississippi
- Cumulative deaths per 100k: 495 (109 total deaths)
--- 18.4% more deaths per 100k residents than Mississippi
- Population that is fully vaccinated: 42.1% (9,270 fully vaccinated)
#41. Perry County, MS
- Cumulative cases per 100k: 25,457 (3,048 total cases)
--- 5.2% less cases per 100k residents than Mississippi
- Cumulative deaths per 100k: 535 (64 total deaths)
--- 28.0% more deaths per 100k residents than Mississippi
- Population that is fully vaccinated: 38.0% (4,554 fully vaccinated)
#40. Tallahatchie County, MS
- Cumulative cases per 100k: 23,195 (3,203 total cases)
--- 13.7% less cases per 100k residents than Mississippi
- Cumulative deaths per 100k: 434 (60 total deaths)
--- 3.8% more deaths per 100k residents than Mississippi
- Population that is fully vaccinated: 41.7% (5,754 fully vaccinated)
#39. Quitman County, MS
- Cumulative cases per 100k: 23,248 (1,579 total cases)
--- 13.5% less cases per 100k residents than Mississippi
- Cumulative deaths per 100k: 456 (31 total deaths)
--- 9.1% more deaths per 100k residents than Mississippi
- Population that is fully vaccinated: 54.3% (3,687 fully vaccinated)
#38. Leake County, MS
- Cumulative cases per 100k: 28,206 (6,427 total cases)
--- 5.0% more cases per 100k residents than Mississippi
- Cumulative deaths per 100k: 527 (120 total deaths)
--- 26.1% more deaths per 100k residents than Mississippi
- Population that is fully vaccinated: 48.8% (11,113 fully vaccinated)
#37. Jackson County, MS
- Cumulative cases per 100k: 25,801 (37,055 total cases)
--- 4.0% less cases per 100k residents than Mississippi
- Cumulative deaths per 100k: 322 (463 total deaths)
--- 23.0% less deaths per 100k residents than Mississippi
- Population that is fully vaccinated: 48.0% (68,880 fully vaccinated)
#36. Lee County, MS
- Cumulative cases per 100k: 31,349 (26,783 total cases)
--- 16.7% more cases per 100k residents than Mississippi
- Cumulative deaths per 100k: 352 (301 total deaths)
--- 15.8% less deaths per 100k residents than Mississippi
- Population that is fully vaccinated: 43.7% (37,300 fully vaccinated)
#35. Holmes County, MS
- Cumulative cases per 100k: 26,190 (4,455 total cases)
--- 2.5% less cases per 100k residents than Mississippi
- Cumulative deaths per 100k: 611 (104 total deaths)
--- 46.2% more deaths per 100k residents than Mississippi
- Population that is fully vaccinated: 60.4% (10,272 fully vaccinated)
#34. Harrison County, MS
- Cumulative cases per 100k: 25,884 (53,859 total cases)
--- 3.7% less cases per 100k residents than Mississippi
- Cumulative deaths per 100k: 320 (665 total deaths)
--- 23.4% less deaths per 100k residents than Mississippi
- Population that is fully vaccinated: 55.6% (115,632 fully vaccinated)
#33. Leflore County, MS
- Cumulative cases per 100k: 25,994 (7,326 total cases)
--- 3.2% less cases per 100k residents than Mississippi
- Cumulative deaths per 100k: 600 (169 total deaths)
--- 43.5% more deaths per 100k residents than Mississippi
- Population that is fully vaccinated: 62.4% (17,591 fully vaccinated)
#32. Lamar County, MS
- Cumulative cases per 100k: 27,534 (17,441 total cases)
--- 2.5% more cases per 100k residents than Mississippi
- Cumulative deaths per 100k: 253 (160 total deaths)
--- 39.5% less deaths per 100k residents than Mississippi
- Population that is fully vaccinated: 59.7% (37,792 fully vaccinated)
#31. Tishomingo County, MS
- Cumulative cases per 100k: 31,842 (6,172 total cases)
--- 18.5% more cases per 100k residents than Mississippi
- Cumulative deaths per 100k: 629 (122 total deaths)
--- 50.5% more deaths per 100k residents than Mississippi
- Population that is fully vaccinated: 38.7% (7,509 fully vaccinated)
#30. Chickasaw County, MS
- Cumulative cases per 100k: 32,760 (5,603 total cases)
--- 21.9% more cases per 100k residents than Mississippi
- Cumulative deaths per 100k: 561 (96 total deaths)
--- 34.2% more deaths per 100k residents than Mississippi
- Population that is fully vaccinated: 48.7% (8,324 fully vaccinated)
#29. Marshall County, MS
- Cumulative cases per 100k: 28,166 (9,941 total cases)
--- 4.8% more cases per 100k residents than Mississippi
- Cumulative deaths per 100k: 493 (174 total deaths)
--- 17.9% more deaths per 100k residents than Mississippi
- Population that is fully vaccinated: 54.7% (19,308 fully vaccinated)
#28. Lauderdale County, MS
- Cumulative cases per 100k: 25,495 (18,898 total cases)
--- 5.1% less cases per 100k residents than Mississippi
- Cumulative deaths per 100k: 495 (367 total deaths)
--- 18.4% more deaths per 100k residents than Mississippi
- Population that is fully vaccinated: 51.5% (38,203 fully vaccinated)
#27. Claiborne County, MS
- Cumulative cases per 100k: 23,943 (2,152 total cases)
--- 10.9% less cases per 100k residents than Mississippi
- Cumulative deaths per 100k: 512 (46 total deaths)
--- 22.5% more deaths per 100k residents than Mississippi
- Population that is fully vaccinated: 55.2% (4,958 fully vaccinated)
#26. Jefferson County, MS
- Cumulative cases per 100k: 21,373 (1,494 total cases)
--- 20.4% less cases per 100k residents than Mississippi
- Cumulative deaths per 100k: 529 (37 total deaths)
--- 26.6% more deaths per 100k residents than Mississippi
- Population that is fully vaccinated: 71.3% (4,984 fully vaccinated)
#25. Wilkinson County, MS
- Cumulative cases per 100k: 20,904 (1,804 total cases)
--- 22.2% less cases per 100k residents than Mississippi
- Cumulative deaths per 100k: 533 (46 total deaths)
--- 27.5% more deaths per 100k residents than Mississippi
- Population that is fully vaccinated: 65.7% (5,672 fully vaccinated)
#24. Bolivar County, MS
- Cumulative cases per 100k: 30,541 (9,354 total cases)
--- 13.7% more cases per 100k residents than Mississippi
- Cumulative deaths per 100k: 584 (179 total deaths)
--- 39.7% more deaths per 100k residents than Mississippi
- Population that is fully vaccinated: 59.1% (18,107 fully vaccinated)
#23. Grenada County, MS
- Cumulative cases per 100k: 26,655 (5,533 total cases)
--- 0.8% less cases per 100k residents than Mississippi
- Cumulative deaths per 100k: 631 (131 total deaths)
--- 51.0% more deaths per 100k residents than Mississippi
- Population that is fully vaccinated: 52.7% (10,946 fully vaccinated)
#22. Rankin County, MS
- Cumulative cases per 100k: 23,661 (36,738 total cases)
--- 11.9% less cases per 100k residents than Mississippi
- Cumulative deaths per 100k: 315 (489 total deaths)
--- 24.6% less deaths per 100k residents than Mississippi
- Population that is fully vaccinated: 51.5% (79,890 fully vaccinated)
#21. Noxubee County, MS
- Cumulative cases per 100k: 26,207 (2,730 total cases)
--- 2.5% less cases per 100k residents than Mississippi
- Cumulative deaths per 100k: 461 (48 total deaths)
--- 10.3% more deaths per 100k residents than Mississippi
- Population that is fully vaccinated: 55.4% (5,774 fully vaccinated)
#20. Scott County, MS
- Cumulative cases per 100k: 23,322 (6,559 total cases)
--- 13.2% less cases per 100k residents than Mississippi
- Cumulative deaths per 100k: 423 (119 total deaths)
--- 1.2% more deaths per 100k residents than Mississippi
- Population that is fully vaccinated: 50.4% (14,174 fully vaccinated)
#19. Coahoma County, MS
- Cumulative cases per 100k: 29,317 (6,486 total cases)
--- 9.1% more cases per 100k residents than Mississippi
- Cumulative deaths per 100k: 570 (126 total deaths)
--- 36.4% more deaths per 100k residents than Mississippi
- Population that is fully vaccinated: 51.9% (11,487 fully vaccinated)
#18. DeSoto County, MS
- Cumulative cases per 100k: 27,221 (50,344 total cases)
--- 1.3% more cases per 100k residents than Mississippi
- Cumulative deaths per 100k: 300 (554 total deaths)
--- 28.2% less deaths per 100k residents than Mississippi
- Population that is fully vaccinated: 54.7% (101,208 fully vaccinated)
#17. Madison County, MS
- Cumulative cases per 100k: 22,761 (24,189 total cases)
--- 15.3% less cases per 100k residents than Mississippi
- Cumulative deaths per 100k: 310 (329 total deaths)
--- 25.8% less deaths per 100k residents than Mississippi
- Population that is fully vaccinated: 63.8% (67,763 fully vaccinated)
#16. Smith County, MS
- Cumulative cases per 100k: 25,930 (4,127 total cases)
--- 3.5% less cases per 100k residents than Mississippi
- Cumulative deaths per 100k: 427 (68 total deaths)
--- 2.2% more deaths per 100k residents than Mississippi
- Population that is fully vaccinated: 34.4% (5,468 fully vaccinated)
#15. Attala County, MS
- Cumulative cases per 100k: 29,498 (5,361 total cases)
--- 9.8% more cases per 100k residents than Mississippi
- Cumulative deaths per 100k: 622 (113 total deaths)
--- 48.8% more deaths per 100k residents than Mississippi
- Population that is fully vaccinated: 54.4% (9,887 fully vaccinated)
#14. Panola County, MS
- Cumulative cases per 100k: 30,902 (10,566 total cases)
--- 15.0% more cases per 100k residents than Mississippi
- Cumulative deaths per 100k: 494 (169 total deaths)
--- 18.2% more deaths per 100k residents than Mississippi
- Population that is fully vaccinated: 47.9% (16,370 fully vaccinated)

#13. Hinds County, MS
- Cumulative cases per 100k: 22,723 (52,682 total cases)
--- 15.4% less cases per 100k residents than Mississippi
- Cumulative deaths per 100k: 341 (791 total deaths)
--- 18.4% less deaths per 100k residents than Mississippi
- Population that is fully vaccinated: 58.1% (134,730 fully vaccinated)
#12. Hancock County, MS
- Cumulative cases per 100k: 25,775 (12,277 total cases)
--- 4.1% less cases per 100k residents than Mississippi
- Cumulative deaths per 100k: 319 (152 total deaths)
--- 23.7% less deaths per 100k residents than Mississippi
- Population that is fully vaccinated: 44.6% (21,222 fully vaccinated)
#11. Prentiss County, MS
- Cumulative cases per 100k: 32,815 (8,245 total cases)
--- 22.1% more cases per 100k residents than Mississippi
- Cumulative deaths per 100k: 410 (103 total deaths)
--- 1.9% less deaths per 100k residents than Mississippi
- Population that is fully vaccinated: 42.7% (10,736 fully vaccinated)
#10. Yalobusha County, MS
- Cumulative cases per 100k: 33,978 (4,114 total cases)
--- 26.5% more cases per 100k residents than Mississippi
- Cumulative deaths per 100k: 471 (57 total deaths)
--- 12.7% more deaths per 100k residents than Mississippi
- Population that is fully vaccinated: 65.6% (7,939 fully vaccinated)
#9. Lafayette County, MS
- Cumulative cases per 100k: 28,442 (15,364 total cases)
--- 5.9% more cases per 100k residents than Mississippi
- Cumulative deaths per 100k: 331 (179 total deaths)
--- 20.8% less deaths per 100k residents than Mississippi
- Population that is fully vaccinated: 55.1% (29,757 fully vaccinated)
#8. Pearl River County, MS
- Cumulative cases per 100k: 27,282 (15,151 total cases)
--- 1.5% more cases per 100k residents than Mississippi
- Cumulative deaths per 100k: 495 (275 total deaths)
--- 18.4% more deaths per 100k residents than Mississippi
- Population that is fully vaccinated: 48.1% (26,709 fully vaccinated)
#7. Newton County, MS
- Cumulative cases per 100k: 28,828 (6,059 total cases)
--- 7.3% more cases per 100k residents than Mississippi
- Cumulative deaths per 100k: 466 (98 total deaths)
--- 11.5% more deaths per 100k residents than Mississippi
- Population that is fully vaccinated: 53.6% (11,265 fully vaccinated)
#6. Washington County, MS
- Cumulative cases per 100k: 23,845 (10,470 total cases)
--- 11.2% less cases per 100k residents than Mississippi
- Cumulative deaths per 100k: 453 (199 total deaths)
--- 8.4% more deaths per 100k residents than Mississippi
- Population that is fully vaccinated: 51.0% (22,394 fully vaccinated)
#5. Tate County, MS
- Cumulative cases per 100k: 26,115 (7,396 total cases)
--- 2.8% less cases per 100k residents than Mississippi
- Cumulative deaths per 100k: 505 (143 total deaths)
--- 20.8% more deaths per 100k residents than Mississippi
- Population that is fully vaccinated: 45.2% (12,787 fully vaccinated)
#4. Copiah County, MS
- Cumulative cases per 100k: 25,965 (7,287 total cases)
--- 3.4% less cases per 100k residents than Mississippi
- Cumulative deaths per 100k: 431 (121 total deaths)
--- 3.1% more deaths per 100k residents than Mississippi
- Population that is fully vaccinated: 54.4% (15,262 fully vaccinated)
#3. Tunica County, MS
- Cumulative cases per 100k: 26,568 (2,559 total cases)
--- 1.1% less cases per 100k residents than Mississippi
- Cumulative deaths per 100k: 498 (48 total deaths)
--- 19.1% more deaths per 100k residents than Mississippi
- Population that is fully vaccinated: 52.1% (5,018 fully vaccinated)
#2. Adams County, MS
- Cumulative cases per 100k: 23,536 (7,224 total cases)
--- 12.4% less cases per 100k residents than Mississippi
- Cumulative deaths per 100k: 466 (143 total deaths)
--- 11.5% more deaths per 100k residents than Mississippi
- Population that is fully vaccinated: 55.1% (16,907 fully vaccinated)
#1. Jasper County, MS
- Cumulative cases per 100k: 30,172 (4,943 total cases)
--- 12.3% more cases per 100k residents than Mississippi
- Cumulative deaths per 100k: 458 (75 total deaths)
--- 9.6% more deaths per 100k residents than Mississippi
- Population that is fully vaccinated: 50.8% (8,328 fully vaccinated)