Counties with highest COVID-19 infection rates in South Carolina

Written by:
April 22, 2021
Calvin Beale // Wikimedia Commons

Counties with highest COVID-19 infection rates in South Carolina

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 South Carolina 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.

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Upstateherd // Wikimedia Commons

#46. Allendale County

- New cases per 100k in the past week: 12 (1 new cases, -83% change from previous week)
--- Compared to average rate of new cases in South Carolina: 89.5% less cases per 100k residents
- Cumulative cases per 100k: 10,428 (906 total cases)
- New deaths per 100k in the past week: 0 (0 new deaths, -100% change from previous week)
- Cumulative deaths per 100k: 173 (15 total deaths)
- Test positivity rate: 5.0%
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#45. Beaufort County

- New cases per 100k in the past week: 43 (83 new cases, -37% change from previous week)
--- Compared to average rate of new cases in South Carolina: 62.3% less cases per 100k residents
- Cumulative cases per 100k: 8,612 (16,545 total cases)
- New deaths per 100k in the past week: 0 (0 new deaths, -100% change from previous week)
- Cumulative deaths per 100k: 105 (202 total deaths)
- Test positivity rate: 2.9%
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Bill Fitzpatrick // Wikimedia Commons

#44. Bamberg County

- New cases per 100k in the past week: 43 (6 new cases, -45% change from previous week)
--- Compared to average rate of new cases in South Carolina: 62.3% less cases per 100k residents
- Cumulative cases per 100k: 10,906 (1,534 total cases)
- New deaths per 100k in the past week: 0 (0 new deaths, -100% change from previous week)
- Cumulative deaths per 100k: 363 (51 total deaths)
- Test positivity rate: 1.6%
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#43. Hampton County

- New cases per 100k in the past week: 47 (9 new cases, -40% change from previous week)
--- Compared to average rate of new cases in South Carolina: 58.8% less cases per 100k residents
- Cumulative cases per 100k: 9,780 (1,880 total cases)
- New deaths per 100k in the past week: 5.2 (1 new deaths, 0% change from previous week)
- Cumulative deaths per 100k: 260 (50 total deaths)
- Test positivity rate: 4.5%
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#42. McCormick County

- New cases per 100k in the past week: 53 (5 new cases, -50% change from previous week)
--- Compared to average rate of new cases in South Carolina: 53.5% less cases per 100k residents
- Cumulative cases per 100k: 10,694 (1,012 total cases)
- New deaths per 100k in the past week: 0 (0 new deaths, -100% change from previous week)
- Cumulative deaths per 100k: 285 (27 total deaths)
- Test positivity rate: 5.2%
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ProfReader // Wikimedia Commons

#41. Marion County

- New cases per 100k in the past week: 55 (17 new cases, -15% change from previous week)
--- Compared to average rate of new cases in South Carolina: 51.8% less cases per 100k residents
- Cumulative cases per 100k: 11,342 (3,477 total cases)
- New deaths per 100k in the past week: 0 (0 new deaths, -100% change from previous week)
- Cumulative deaths per 100k: 333 (102 total deaths)
- Test positivity rate: 4.8%
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Bill Fitzpatrick // Wikimedia Commons

#40. Calhoun County

- New cases per 100k in the past week: 55 (8 new cases, +14% change from previous week)
--- Compared to average rate of new cases in South Carolina: 51.8% less cases per 100k residents
- Cumulative cases per 100k: 8,871 (1,291 total cases)
- New deaths per 100k in the past week: 0 (0 new deaths, -100% change from previous week)
- Cumulative deaths per 100k: 247 (36 total deaths)
- Test positivity rate: 2.7%
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Bill Fitzpatrick // Wikimedia Commons

#39. Saluda County

- New cases per 100k in the past week: 59 (12 new cases, -25% change from previous week)
--- Compared to average rate of new cases in South Carolina: 48.2% less cases per 100k residents
- Cumulative cases per 100k: 8,519 (1,744 total cases)
- New deaths per 100k in the past week: 0 (0 new deaths, -100% change from previous week)
- Cumulative deaths per 100k: 239 (49 total deaths)
- Test positivity rate: 7.0%
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Bill Fitzpatrick // Wikimedia Commons

#38. Jasper County

- New cases per 100k in the past week: 60 (18 new cases, +20% change from previous week)
--- Compared to average rate of new cases in South Carolina: 47.4% less cases per 100k residents
- Cumulative cases per 100k: 7,568 (2,276 total cases)
- New deaths per 100k in the past week: 3.3 (1 new deaths, -100% change from previous week)
- Cumulative deaths per 100k: 146 (44 total deaths)
- Test positivity rate: 3.2%
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Pollinator // Wikimedia Commons

#37. Sumter County

- New cases per 100k in the past week: 67 (72 new cases, -4% change from previous week)
--- Compared to average rate of new cases in South Carolina: 41.2% less cases per 100k residents
- Cumulative cases per 100k: 9,619 (10,266 total cases)
- New deaths per 100k in the past week: 3.7 (4 new deaths, +300% change from previous week)
- Cumulative deaths per 100k: 188 (201 total deaths)
- Test positivity rate: 3.8%
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Morder // Wikimedia Commons

#36. Cherokee County

- New cases per 100k in the past week: 72 (41 new cases, -58% change from previous week)
--- Compared to average rate of new cases in South Carolina: 36.8% less cases per 100k residents
- Cumulative cases per 100k: 10,353 (5,932 total cases)
- New deaths per 100k in the past week: 1.7 (1 new deaths, 0% change from previous week)
- Cumulative deaths per 100k: 260 (149 total deaths)
- Test positivity rate: 5.0%
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Jud McCranie // Wikimedia Commons

#35. Darlington County

- New cases per 100k in the past week: 89 (59 new cases, +44% change from previous week)
--- Compared to average rate of new cases in South Carolina: 21.9% less cases per 100k residents
- Cumulative cases per 100k: 12,390 (8,254 total cases)
- New deaths per 100k in the past week: 1.5 (1 new deaths, -100% change from previous week)
- Cumulative deaths per 100k: 260 (173 total deaths)
- Test positivity rate: 3.0%
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Robert Thomas Mckenzie Jr // Wikimedia Commons

#34. Florence County

- New cases per 100k in the past week: 91 (126 new cases, +20% change from previous week)
--- Compared to average rate of new cases in South Carolina: 20.2% less cases per 100k residents
- Cumulative cases per 100k: 12,611 (17,440 total cases)
- New deaths per 100k in the past week: 4.3 (6 new deaths, +100% change from previous week)
- Cumulative deaths per 100k: 294 (406 total deaths)
- Test positivity rate: 6.0%
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Upstateherd // Wikimedia Commons

#33. Edgefield County

- New cases per 100k in the past week: 92 (25 new cases, -26% change from previous week)
--- Compared to average rate of new cases in South Carolina: 19.3% less cases per 100k residents
- Cumulative cases per 100k: 11,159 (3,042 total cases)
- New deaths per 100k in the past week: 0 (0 new deaths, -100% change from previous week)
- Cumulative deaths per 100k: 150 (41 total deaths)
- Test positivity rate: 5.6%
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#32. Union County

- New cases per 100k in the past week: 92 (25 new cases, -72% change from previous week)
--- Compared to average rate of new cases in South Carolina: 19.3% less cases per 100k residents
- Cumulative cases per 100k: 11,067 (3,023 total cases)
- New deaths per 100k in the past week: 0 (0 new deaths, -100% change from previous week)
- Cumulative deaths per 100k: 308 (84 total deaths)
- Test positivity rate: 2.4%
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Upstateherd // Wikimedia Commons

#31. Anderson County

- New cases per 100k in the past week: 98 (198 new cases, +8% change from previous week)
--- Compared to average rate of new cases in South Carolina: 14.0% less cases per 100k residents
- Cumulative cases per 100k: 11,023 (22,328 total cases)
- New deaths per 100k in the past week: 2.5 (5 new deaths, 0% change from previous week)
- Cumulative deaths per 100k: 251 (509 total deaths)
- Test positivity rate: 5.4%
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#30. Aiken County

- New cases per 100k in the past week: 98 (168 new cases, +14% change from previous week)
--- Compared to average rate of new cases in South Carolina: 14.0% less cases per 100k residents
- Cumulative cases per 100k: 9,885 (16,891 total cases)
- New deaths per 100k in the past week: 0.6 (1 new deaths, 0% change from previous week)
- Cumulative deaths per 100k: 128 (218 total deaths)
- Test positivity rate: 5.0%
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Upstateherd // Wikimedia Commons

#29. Clarendon County

- New cases per 100k in the past week: 98 (33 new cases, +120% change from previous week)
--- Compared to average rate of new cases in South Carolina: 14.0% less cases per 100k residents
- Cumulative cases per 100k: 9,954 (3,359 total cases)
- New deaths per 100k in the past week: 5.9 (2 new deaths, 0% change from previous week)
- Cumulative deaths per 100k: 323 (109 total deaths)
- Test positivity rate: 3.7%
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Upstateherd // Wikimedia Commons

#28. Chesterfield County

- New cases per 100k in the past week: 101 (46 new cases, +70% change from previous week)
--- Compared to average rate of new cases in South Carolina: 11.4% less cases per 100k residents
- Cumulative cases per 100k: 10,223 (4,667 total cases)
- New deaths per 100k in the past week: 4.4 (2 new deaths, -33% change from previous week)
- Cumulative deaths per 100k: 226 (103 total deaths)
- Test positivity rate: 4.6%
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Ammodramus // Wikimedia Commons

#27. Lee County

- New cases per 100k in the past week: 101 (17 new cases, +70% change from previous week)
--- Compared to average rate of new cases in South Carolina: 11.4% less cases per 100k residents
- Cumulative cases per 100k: 11,077 (1,864 total cases)
- New deaths per 100k in the past week: 0 (0 new deaths, -100% change from previous week)
- Cumulative deaths per 100k: 351 (59 total deaths)
- Test positivity rate: 4.4%
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Ammodramus // Wikimedia Commons

#26. Orangeburg County

- New cases per 100k in the past week: 102 (88 new cases, +10% change from previous week)
--- Compared to average rate of new cases in South Carolina: 10.5% less cases per 100k residents
- Cumulative cases per 100k: 11,070 (9,540 total cases)
- New deaths per 100k in the past week: 3.5 (3 new deaths, +50% change from previous week)
- Cumulative deaths per 100k: 280 (241 total deaths)
- Test positivity rate: 4.2%
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Pollinator // Wikimedia Commons

#25. Williamsburg County

- New cases per 100k in the past week: 105 (32 new cases, +52% change from previous week)
--- Compared to average rate of new cases in South Carolina: 7.9% less cases per 100k residents
- Cumulative cases per 100k: 13,132 (3,988 total cases)
- New deaths per 100k in the past week: 0 (0 new deaths, -100% change from previous week)
- Cumulative deaths per 100k: 323 (98 total deaths)
- Test positivity rate: 7.3%
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Calvin Beale // Wikimedia Commons

#24. Barnwell County

- New cases per 100k in the past week: 105 (22 new cases, +38% change from previous week)
--- Compared to average rate of new cases in South Carolina: 7.9% less cases per 100k residents
- Cumulative cases per 100k: 12,082 (2,521 total cases)
- New deaths per 100k in the past week: 0 (0 new deaths, -100% change from previous week)
- Cumulative deaths per 100k: 259 (54 total deaths)
- Test positivity rate: 5.7%
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#23. Abbeville County

- New cases per 100k in the past week: 106 (26 new cases, -42% change from previous week)
--- Compared to average rate of new cases in South Carolina: 7.0% less cases per 100k residents
- Cumulative cases per 100k: 10,315 (2,530 total cases)
- New deaths per 100k in the past week: 0 (0 new deaths, -100% change from previous week)
- Cumulative deaths per 100k: 155 (38 total deaths)
- Test positivity rate: 4.7%
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#22. Georgetown County

- New cases per 100k in the past week: 108 (68 new cases, +89% change from previous week)
--- Compared to average rate of new cases in South Carolina: 5.3% less cases per 100k residents
- Cumulative cases per 100k: 10,526 (6,598 total cases)
- New deaths per 100k in the past week: 0 (0 new deaths, -100% change from previous week)
- Cumulative deaths per 100k: 220 (138 total deaths)
- Test positivity rate: 5.0%
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Bill Fitzpatrick // Wikimedia Commons

#21. Dillon County

- New cases per 100k in the past week: 112 (34 new cases, -17% change from previous week)
--- Compared to average rate of new cases in South Carolina: 1.8% less cases per 100k residents
- Cumulative cases per 100k: 14,216 (4,333 total cases)
- New deaths per 100k in the past week: 0 (0 new deaths, -100% change from previous week)
- Cumulative deaths per 100k: 266 (81 total deaths)
- Test positivity rate: 5.5%
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Upstateherd // Wikimedia Commons

#20. Fairfield County

- New cases per 100k in the past week: 116 (26 new cases, -21% change from previous week)
--- Compared to average rate of new cases in South Carolina: 1.8% more cases per 100k residents
- Cumulative cases per 100k: 10,489 (2,344 total cases)
- New deaths per 100k in the past week: 0 (0 new deaths, -100% change from previous week)
- Cumulative deaths per 100k: 354 (79 total deaths)
- Test positivity rate: 5.4%
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#19. Spartanburg County

- New cases per 100k in the past week: 125 (400 new cases, -15% change from previous week)
--- Compared to average rate of new cases in South Carolina: 9.6% more cases per 100k residents
- Cumulative cases per 100k: 12,593 (40,270 total cases)
- New deaths per 100k in the past week: 2.8 (9 new deaths, +80% change from previous week)
- Cumulative deaths per 100k: 244 (781 total deaths)
- Test positivity rate: 5.8%
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Pollinator // Wikimedia Commons

#18. Horry County

- New cases per 100k in the past week: 126 (446 new cases, -3% change from previous week)
--- Compared to average rate of new cases in South Carolina: 10.5% more cases per 100k residents
- Cumulative cases per 100k: 10,751 (38,068 total cases)
- New deaths per 100k in the past week: 0.8 (3 new deaths, -40% change from previous week)
- Cumulative deaths per 100k: 160 (566 total deaths)
- Test positivity rate: 7.2%
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#17. Chester County

- New cases per 100k in the past week: 127 (41 new cases, +17% change from previous week)
--- Compared to average rate of new cases in South Carolina: 11.4% more cases per 100k residents
- Cumulative cases per 100k: 12,585 (4,058 total cases)
- New deaths per 100k in the past week: 3.1 (1 new deaths, 0% change from previous week)
- Cumulative deaths per 100k: 226 (73 total deaths)
- Test positivity rate: 5.1%
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Itsbrandoyo // Wikimedia Commons

#16. Berkeley County

- New cases per 100k in the past week: 129 (294 new cases, +5% change from previous week)
--- Compared to average rate of new cases in South Carolina: 13.2% more cases per 100k residents
- Cumulative cases per 100k: 7,437 (16,950 total cases)
- New deaths per 100k in the past week: 0.4 (1 new deaths, -67% change from previous week)
- Cumulative deaths per 100k: 83 (189 total deaths)
- Test positivity rate: 9.5%
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Bill Fitzpatrick // Wikimedia Commons

#15. Greenwood County

- New cases per 100k in the past week: 129 (91 new cases, -3% change from previous week)
--- Compared to average rate of new cases in South Carolina: 13.2% more cases per 100k residents
- Cumulative cases per 100k: 11,155 (7,899 total cases)
- New deaths per 100k in the past week: 1.4 (1 new deaths, -100% change from previous week)
- Cumulative deaths per 100k: 237 (168 total deaths)
- Test positivity rate: 6.4%
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#14. Charleston County

- New cases per 100k in the past week: 130 (535 new cases, -6% change from previous week)
--- Compared to average rate of new cases in South Carolina: 14.0% more cases per 100k residents
- Cumulative cases per 100k: 10,227 (42,075 total cases)
- New deaths per 100k in the past week: 0 (0 new deaths, -100% change from previous week)
- Cumulative deaths per 100k: 119 (489 total deaths)
- Test positivity rate: 5.8%
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Upstateherd // Wikimedia Commons

#13. Colleton County

- New cases per 100k in the past week: 133 (50 new cases, +25% change from previous week)
--- Compared to average rate of new cases in South Carolina: 16.7% more cases per 100k residents
- Cumulative cases per 100k: 9,295 (3,502 total cases)
- New deaths per 100k in the past week: 2.7 (1 new deaths, -50% change from previous week)
- Cumulative deaths per 100k: 332 (125 total deaths)
- Test positivity rate: 5.6%
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Ralph Hightower // Wikimedia Commons

#12. Lexington County

- New cases per 100k in the past week: 134 (399 new cases, +6% change from previous week)
--- Compared to average rate of new cases in South Carolina: 17.5% more cases per 100k residents
- Cumulative cases per 100k: 10,909 (32,591 total cases)
- New deaths per 100k in the past week: 0.7 (2 new deaths, 0% change from previous week)
- Cumulative deaths per 100k: 159 (475 total deaths)
- Test positivity rate: 5.6%
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#11. Richland County

- New cases per 100k in the past week: 138 (572 new cases, +11% change from previous week)
--- Compared to average rate of new cases in South Carolina: 21.1% more cases per 100k residents
- Cumulative cases per 100k: 10,893 (45,287 total cases)
- New deaths per 100k in the past week: 0.5 (2 new deaths, -60% change from previous week)
- Cumulative deaths per 100k: 129 (537 total deaths)
- Test positivity rate: 3.8%
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NatalieMaynor // Wikimedia Commons

#10. Newberry County

- New cases per 100k in the past week: 138 (53 new cases, +66% change from previous week)
--- Compared to average rate of new cases in South Carolina: 21.1% more cases per 100k residents
- Cumulative cases per 100k: 12,471 (4,794 total cases)
- New deaths per 100k in the past week: 0 (0 new deaths, -100% change from previous week)
- Cumulative deaths per 100k: 260 (100 total deaths)
- Test positivity rate: 4.1%
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Bill Fitzpatrick // Wikimedia Commons

#9. Laurens County

- New cases per 100k in the past week: 139 (94 new cases, -24% change from previous week)
--- Compared to average rate of new cases in South Carolina: 21.9% more cases per 100k residents
- Cumulative cases per 100k: 10,483 (7,075 total cases)
- New deaths per 100k in the past week: 5.9 (4 new deaths, +100% change from previous week)
- Cumulative deaths per 100k: 250 (169 total deaths)
- Test positivity rate: 7.9%
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Brian Stansberry // Wikimedia Commons

#8. Oconee County

- New cases per 100k in the past week: 147 (117 new cases, -4% change from previous week)
--- Compared to average rate of new cases in South Carolina: 28.9% more cases per 100k residents
- Cumulative cases per 100k: 11,639 (9,258 total cases)
- New deaths per 100k in the past week: 1.3 (1 new deaths, -100% change from previous week)
- Cumulative deaths per 100k: 166 (132 total deaths)
- Test positivity rate: 6.1%
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Pollinator // Wikimedia Commons

#7. Kershaw County

- New cases per 100k in the past week: 147 (98 new cases, +26% change from previous week)
--- Compared to average rate of new cases in South Carolina: 28.9% more cases per 100k residents
- Cumulative cases per 100k: 10,927 (7,272 total cases)
- New deaths per 100k in the past week: 1.5 (1 new deaths, 0% change from previous week)
- Cumulative deaths per 100k: 203 (135 total deaths)
- Test positivity rate: 6.9%
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Calatayudboy // Wikimedia Commons

#6. Lancaster County

- New cases per 100k in the past week: 152 (149 new cases, +42% change from previous week)
--- Compared to average rate of new cases in South Carolina: 33.3% more cases per 100k residents
- Cumulative cases per 100k: 10,649 (10,437 total cases)
- New deaths per 100k in the past week: 3.1 (3 new deaths, -25% change from previous week)
- Cumulative deaths per 100k: 168 (165 total deaths)
- Test positivity rate: 8.0%
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KudzuVine // Wikimedia Commons

#5. Pickens County

- New cases per 100k in the past week: 165 (209 new cases, -29% change from previous week)
--- Compared to average rate of new cases in South Carolina: 44.7% more cases per 100k residents
- Cumulative cases per 100k: 14,353 (18,212 total cases)
- New deaths per 100k in the past week: 3.2 (4 new deaths, +100% change from previous week)
- Cumulative deaths per 100k: 227 (288 total deaths)
- Test positivity rate: 6.5%
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#4. Greenville County

- New cases per 100k in the past week: 171 (896 new cases, -28% change from previous week)
--- Compared to average rate of new cases in South Carolina: 50.0% more cases per 100k residents
- Cumulative cases per 100k: 13,840 (72,458 total cases)
- New deaths per 100k in the past week: 2.3 (12 new deaths, +140% change from previous week)
- Cumulative deaths per 100k: 185 (969 total deaths)
- Test positivity rate: 7.8%
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Connor401 // Wikimedia Commons

#3. York County

- New cases per 100k in the past week: 184 (518 new cases, +19% change from previous week)
--- Compared to average rate of new cases in South Carolina: 61.4% more cases per 100k residents
- Cumulative cases per 100k: 10,634 (29,879 total cases)
- New deaths per 100k in the past week: 0.4 (1 new deaths, -80% change from previous week)
- Cumulative deaths per 100k: 132 (370 total deaths)
- Test positivity rate: 9.0%
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Lazyksaw // Wikimedia Commons

#2. Dorchester County

- New cases per 100k in the past week: 198 (322 new cases, 0% change from previous week)
--- Compared to average rate of new cases in South Carolina: 73.7% more cases per 100k residents
- Cumulative cases per 100k: 10,526 (17,137 total cases)
- New deaths per 100k in the past week: 1.8 (3 new deaths, +50% change from previous week)
- Cumulative deaths per 100k: 131 (213 total deaths)
- Test positivity rate: 8.2%
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Calvin Beale // Wikimedia Commons

#1. Marlboro County

- New cases per 100k in the past week: 214 (56 new cases, +107% change from previous week)
--- Compared to average rate of new cases in South Carolina: 87.7% more cases per 100k residents
- Cumulative cases per 100k: 12,348 (3,225 total cases)
- New deaths per 100k in the past week: 0 (0 new deaths, -100% change from previous week)
- Cumulative deaths per 100k: 195 (51 total deaths)
- Test positivity rate: 5.8%

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