Counties with highest COVID-19 infection rates in Pennsylvania
Counties with highest COVID-19 infection rates in Pennsylvania
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 Pennsylvania 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. Westmoreland County, PA
- Cumulative cases per 100k: 23,083 (80,538 total cases)
--- 4.0% more cases per 100k residents than Pennsylvania
- Cumulative deaths per 100k: 394 (1,376 total deaths)
--- 12.6% more deaths per 100k residents than Pennsylvania
- Population that is fully vaccinated: 56.9% (198,589 fully vaccinated)
#49. Potter County, PA
- Cumulative cases per 100k: 19,497 (3,222 total cases)
--- 12.2% less cases per 100k residents than Pennsylvania
- Cumulative deaths per 100k: 557 (92 total deaths)
--- 59.1% more deaths per 100k residents than Pennsylvania
- Population that is fully vaccinated: 37.1% (6,128 fully vaccinated)
#48. Indiana County, PA
- Cumulative cases per 100k: 20,890 (17,563 total cases)
--- 5.9% less cases per 100k residents than Pennsylvania
- Cumulative deaths per 100k: 423 (356 total deaths)
--- 20.9% more deaths per 100k residents than Pennsylvania
- Population that is fully vaccinated: 44.0% (36,979 fully vaccinated)
#47. Butler County, PA
- Cumulative cases per 100k: 23,911 (44,918 total cases)
--- 7.7% more cases per 100k residents than Pennsylvania
- Cumulative deaths per 100k: 395 (742 total deaths)
--- 12.9% more deaths per 100k residents than Pennsylvania
- Population that is fully vaccinated: 62.1% (116,732 fully vaccinated)
#46. Franklin County, PA
- Cumulative cases per 100k: 26,162 (40,558 total cases)
--- 17.8% more cases per 100k residents than Pennsylvania
- Cumulative deaths per 100k: 448 (694 total deaths)
--- 28.0% more deaths per 100k residents than Pennsylvania
- Population that is fully vaccinated: 44.4% (68,902 fully vaccinated)
#45. Snyder County, PA
- Cumulative cases per 100k: 20,135 (8,129 total cases)
--- 9.3% less cases per 100k residents than Pennsylvania
- Cumulative deaths per 100k: 391 (158 total deaths)
--- 11.7% more deaths per 100k residents than Pennsylvania
- Population that is fully vaccinated: 42.6% (17,187 fully vaccinated)
#44. Clinton County, PA
- Cumulative cases per 100k: 23,545 (9,096 total cases)
--- 6.0% more cases per 100k residents than Pennsylvania
- Cumulative deaths per 100k: 329 (127 total deaths)
--- 6.0% less deaths per 100k residents than Pennsylvania
- Population that is fully vaccinated: 45.2% (17,449 fully vaccinated)
#43. Berks County, PA
- Cumulative cases per 100k: 24,489 (103,139 total cases)
--- 10.3% more cases per 100k residents than Pennsylvania
- Cumulative deaths per 100k: 378 (1,594 total deaths)
--- 8.0% more deaths per 100k residents than Pennsylvania
- Population that is fully vaccinated: 58.4% (246,086 fully vaccinated)
#42. Clarion County, PA
- Cumulative cases per 100k: 21,526 (8,274 total cases)
--- 3.1% less cases per 100k residents than Pennsylvania
- Cumulative deaths per 100k: 526 (202 total deaths)
--- 50.3% more deaths per 100k residents than Pennsylvania
- Population that is fully vaccinated: 43.2% (16,589 fully vaccinated)

#41. Dauphin County, PA
- Cumulative cases per 100k: 21,384 (59,511 total cases)
--- 3.7% less cases per 100k residents than Pennsylvania
- Cumulative deaths per 100k: 346 (964 total deaths)
--- 1.1% less deaths per 100k residents than Pennsylvania
- Population that is fully vaccinated: 60.7% (169,006 fully vaccinated)
#40. Lycoming County, PA
- Cumulative cases per 100k: 25,327 (28,695 total cases)
--- 14.1% more cases per 100k residents than Pennsylvania
- Cumulative deaths per 100k: 459 (520 total deaths)
--- 31.1% more deaths per 100k residents than Pennsylvania
- Population that is fully vaccinated: 52.6% (59,627 fully vaccinated)
#39. Cumberland County, PA
- Cumulative cases per 100k: 20,289 (51,406 total cases)
--- 8.6% less cases per 100k residents than Pennsylvania
- Cumulative deaths per 100k: 352 (892 total deaths)
--- 0.6% more deaths per 100k residents than Pennsylvania
- Population that is fully vaccinated: 64.6% (163,669 fully vaccinated)

#38. Adams County, PA
- Cumulative cases per 100k: 24,266 (24,996 total cases)
--- 9.3% more cases per 100k residents than Pennsylvania
- Cumulative deaths per 100k: 351 (362 total deaths)
--- 0.3% more deaths per 100k residents than Pennsylvania
- Population that is fully vaccinated: 50.8% (52,361 fully vaccinated)
#37. Beaver County, PA
- Cumulative cases per 100k: 24,721 (40,525 total cases)
--- 11.3% more cases per 100k residents than Pennsylvania
- Cumulative deaths per 100k: 453 (743 total deaths)
--- 29.4% more deaths per 100k residents than Pennsylvania
- Population that is fully vaccinated: 54.5% (89,317 fully vaccinated)
#36. Carbon County, PA
- Cumulative cases per 100k: 25,041 (16,072 total cases)
--- 12.8% more cases per 100k residents than Pennsylvania
- Cumulative deaths per 100k: 458 (294 total deaths)
--- 30.9% more deaths per 100k residents than Pennsylvania
- Population that is fully vaccinated: 59.5% (38,220 fully vaccinated)
#35. Huntingdon County, PA
- Cumulative cases per 100k: 25,625 (11,568 total cases)
--- 15.4% more cases per 100k residents than Pennsylvania
- Cumulative deaths per 100k: 547 (247 total deaths)
--- 56.3% more deaths per 100k residents than Pennsylvania
- Population that is fully vaccinated: 48.2% (21,756 fully vaccinated)
#34. Cambria County, PA
- Cumulative cases per 100k: 26,731 (34,801 total cases)
--- 20.4% more cases per 100k residents than Pennsylvania
- Cumulative deaths per 100k: 562 (732 total deaths)
--- 60.6% more deaths per 100k residents than Pennsylvania
- Population that is fully vaccinated: 54.2% (70,591 fully vaccinated)
#33. Jefferson County, PA
- Cumulative cases per 100k: 20,928 (9,088 total cases)
--- 5.7% less cases per 100k residents than Pennsylvania
- Cumulative deaths per 100k: 537 (233 total deaths)
--- 53.4% more deaths per 100k residents than Pennsylvania
- Population that is fully vaccinated: 47.6% (20,650 fully vaccinated)
#32. Erie County, PA
- Cumulative cases per 100k: 21,409 (57,747 total cases)
--- 3.6% less cases per 100k residents than Pennsylvania
- Cumulative deaths per 100k: 281 (759 total deaths)
--- 19.7% less deaths per 100k residents than Pennsylvania
- Population that is fully vaccinated: 58.6% (158,054 fully vaccinated)
#31. Washington County, PA
- Cumulative cases per 100k: 24,851 (51,409 total cases)
--- 11.9% more cases per 100k residents than Pennsylvania
- Cumulative deaths per 100k: 315 (652 total deaths)
--- 10.0% less deaths per 100k residents than Pennsylvania
- Population that is fully vaccinated: 61.9% (128,002 fully vaccinated)
#30. Lancaster County, PA
- Cumulative cases per 100k: 22,380 (122,133 total cases)
--- 0.8% more cases per 100k residents than Pennsylvania
- Cumulative deaths per 100k: 346 (1,888 total deaths)
--- 1.1% less deaths per 100k residents than Pennsylvania
- Population that is fully vaccinated: 57.5% (313,649 fully vaccinated)
#29. Lebanon County, PA
- Cumulative cases per 100k: 25,977 (36,833 total cases)
--- 17.0% more cases per 100k residents than Pennsylvania
- Cumulative deaths per 100k: 365 (518 total deaths)
--- 4.3% more deaths per 100k residents than Pennsylvania
- Population that is fully vaccinated: 52.5% (74,488 fully vaccinated)
#28. York County, PA
- Cumulative cases per 100k: 26,662 (119,729 total cases)
--- 20.1% more cases per 100k residents than Pennsylvania
- Cumulative deaths per 100k: 334 (1,501 total deaths)
--- 4.6% less deaths per 100k residents than Pennsylvania
- Population that is fully vaccinated: 55.9% (250,950 fully vaccinated)
#27. Centre County, PA
- Cumulative cases per 100k: 22,007 (35,736 total cases)
--- 0.9% less cases per 100k residents than Pennsylvania
- Cumulative deaths per 100k: 215 (349 total deaths)
--- 38.6% less deaths per 100k residents than Pennsylvania
- Population that is fully vaccinated: 58.8% (95,521 fully vaccinated)
#26. Venango County, PA
- Cumulative cases per 100k: 22,355 (11,327 total cases)
--- 0.7% more cases per 100k residents than Pennsylvania
- Cumulative deaths per 100k: 474 (240 total deaths)
--- 35.4% more deaths per 100k residents than Pennsylvania
- Population that is fully vaccinated: 46.2% (23,399 fully vaccinated)
#25. Clearfield County, PA
- Cumulative cases per 100k: 24,526 (19,438 total cases)
--- 10.5% more cases per 100k residents than Pennsylvania
- Cumulative deaths per 100k: 439 (348 total deaths)
--- 25.4% more deaths per 100k residents than Pennsylvania
- Population that is fully vaccinated: 48.9% (38,751 fully vaccinated)

#24. Allegheny County, PA
- Cumulative cases per 100k: 22,098 (268,725 total cases)
--- 0.5% less cases per 100k residents than Pennsylvania
- Cumulative deaths per 100k: 273 (3,319 total deaths)
--- 22.0% less deaths per 100k residents than Pennsylvania
- Population that is fully vaccinated: 68.3% (831,092 fully vaccinated)
#23. Wyoming County, PA
- Cumulative cases per 100k: 19,437 (5,208 total cases)
--- 12.5% less cases per 100k residents than Pennsylvania
- Cumulative deaths per 100k: 396 (106 total deaths)
--- 13.1% more deaths per 100k residents than Pennsylvania
- Population that is fully vaccinated: 59.6% (15,959 fully vaccinated)
#22. Fulton County, PA
- Cumulative cases per 100k: 28,500 (4,141 total cases)
--- 28.4% more cases per 100k residents than Pennsylvania
- Cumulative deaths per 100k: 447 (65 total deaths)
--- 27.7% more deaths per 100k residents than Pennsylvania
- Population that is fully vaccinated: 30.2% (4,395 fully vaccinated)
#21. Monroe County, PA
- Cumulative cases per 100k: 22,071 (37,581 total cases)
--- 0.6% less cases per 100k residents than Pennsylvania
- Cumulative deaths per 100k: 308 (524 total deaths)
--- 12.0% less deaths per 100k residents than Pennsylvania
- Population that is fully vaccinated: 56.7% (96,598 fully vaccinated)
#20. Delaware County, PA
- Cumulative cases per 100k: 19,809 (112,267 total cases)
--- 10.8% less cases per 100k residents than Pennsylvania
- Cumulative deaths per 100k: 331 (1,874 total deaths)
--- 5.4% less deaths per 100k residents than Pennsylvania
- Population that is fully vaccinated: 63.7% (360,989 fully vaccinated)
#19. Crawford County, PA
- Cumulative cases per 100k: 23,569 (19,946 total cases)
--- 6.1% more cases per 100k residents than Pennsylvania
- Cumulative deaths per 100k: 376 (318 total deaths)
--- 7.4% more deaths per 100k residents than Pennsylvania
- Population that is fully vaccinated: 47.2% (39,919 fully vaccinated)
#18. Northumberland County, PA
- Cumulative cases per 100k: 25,333 (23,013 total cases)
--- 14.1% more cases per 100k residents than Pennsylvania
- Cumulative deaths per 100k: 588 (534 total deaths)
--- 68.0% more deaths per 100k residents than Pennsylvania
- Population that is fully vaccinated: 57.1% (51,835 fully vaccinated)
#17. Chester County, PA
- Cumulative cases per 100k: 17,900 (93,973 total cases)
--- 19.4% less cases per 100k residents than Pennsylvania
- Cumulative deaths per 100k: 221 (1,158 total deaths)
--- 36.9% less deaths per 100k residents than Pennsylvania
- Population that is fully vaccinated: 70.1% (368,106 fully vaccinated)
#16. Bucks County, PA
- Cumulative cases per 100k: 19,963 (125,424 total cases)
--- 10.1% less cases per 100k residents than Pennsylvania
- Cumulative deaths per 100k: 302 (1,898 total deaths)
--- 13.7% less deaths per 100k residents than Pennsylvania
- Population that is fully vaccinated: 63.5% (399,025 fully vaccinated)
#15. Lehigh County, PA
- Cumulative cases per 100k: 24,579 (90,776 total cases)
--- 10.7% more cases per 100k residents than Pennsylvania
- Cumulative deaths per 100k: 336 (1,242 total deaths)
--- 4.0% less deaths per 100k residents than Pennsylvania
- Population that is fully vaccinated: 70.7% (261,137 fully vaccinated)
#14. Northampton County, PA
- Cumulative cases per 100k: 26,525 (80,977 total cases)
--- 19.5% more cases per 100k residents than Pennsylvania
- Cumulative deaths per 100k: 358 (1,093 total deaths)
--- 2.3% more deaths per 100k residents than Pennsylvania
- Population that is fully vaccinated: 66.1% (201,785 fully vaccinated)
#13. Pike County, PA
- Cumulative cases per 100k: 18,730 (10,453 total cases)
--- 15.6% less cases per 100k residents than Pennsylvania
- Cumulative deaths per 100k: 172 (96 total deaths)
--- 50.9% less deaths per 100k residents than Pennsylvania
- Population that is fully vaccinated: 51.8% (28,929 fully vaccinated)
#12. Montgomery County, PA
- Cumulative cases per 100k: 18,805 (156,254 total cases)
--- 15.3% less cases per 100k residents than Pennsylvania
- Cumulative deaths per 100k: 280 (2,324 total deaths)
--- 20.0% less deaths per 100k residents than Pennsylvania
- Population that is fully vaccinated: 65.6% (545,230 fully vaccinated)
#11. Columbia County, PA
- Cumulative cases per 100k: 23,618 (15,343 total cases)
--- 6.4% more cases per 100k residents than Pennsylvania
- Cumulative deaths per 100k: 379 (246 total deaths)
--- 8.3% more deaths per 100k residents than Pennsylvania
- Population that is fully vaccinated: 59.3% (38,517 fully vaccinated)
#10. Montour County, PA
- Cumulative cases per 100k: 25,211 (4,596 total cases)
--- 13.5% more cases per 100k residents than Pennsylvania
- Cumulative deaths per 100k: 510 (93 total deaths)
--- 45.7% more deaths per 100k residents than Pennsylvania
- Population that is fully vaccinated: 76.9% (14,011 fully vaccinated)
#9. Luzerne County, PA
- Cumulative cases per 100k: 23,496 (74,580 total cases)
--- 5.8% more cases per 100k residents than Pennsylvania
- Cumulative deaths per 100k: 429 (1,361 total deaths)
--- 22.6% more deaths per 100k residents than Pennsylvania
- Population that is fully vaccinated: 62.7% (199,060 fully vaccinated)
#8. Wayne County, PA
- Cumulative cases per 100k: 20,151 (10,350 total cases)
--- 9.2% less cases per 100k residents than Pennsylvania
- Cumulative deaths per 100k: 335 (172 total deaths)
--- 4.3% less deaths per 100k residents than Pennsylvania
- Population that is fully vaccinated: 57.4% (29,489 fully vaccinated)
#7. Lackawanna County, PA
- Cumulative cases per 100k: 21,240 (44,534 total cases)
--- 4.3% less cases per 100k residents than Pennsylvania
- Cumulative deaths per 100k: 368 (772 total deaths)
--- 5.1% more deaths per 100k residents than Pennsylvania
- Population that is fully vaccinated: 68.9% (144,408 fully vaccinated)
#6. Tioga County, PA
- Cumulative cases per 100k: 20,169 (8,187 total cases)
--- 9.2% less cases per 100k residents than Pennsylvania
- Cumulative deaths per 100k: 475 (193 total deaths)
--- 35.7% more deaths per 100k residents than Pennsylvania
- Population that is fully vaccinated: 44.1% (17,894 fully vaccinated)
#5. Susquehanna County, PA
- Cumulative cases per 100k: 20,058 (8,089 total cases)
--- 9.7% less cases per 100k residents than Pennsylvania
- Cumulative deaths per 100k: 270 (109 total deaths)
--- 22.9% less deaths per 100k residents than Pennsylvania
- Population that is fully vaccinated: 41.8% (16,842 fully vaccinated)
#4. Warren County, PA
- Cumulative cases per 100k: 18,999 (7,446 total cases)
--- 14.4% less cases per 100k residents than Pennsylvania
- Cumulative deaths per 100k: 536 (210 total deaths)
--- 53.1% more deaths per 100k residents than Pennsylvania
- Population that is fully vaccinated: 46.3% (18,161 fully vaccinated)
#3. Sullivan County, PA
- Cumulative cases per 100k: 17,771 (1,078 total cases)
--- 20.0% less cases per 100k residents than Pennsylvania
- Cumulative deaths per 100k: 593 (36 total deaths)
--- 69.4% more deaths per 100k residents than Pennsylvania
- Population that is fully vaccinated: 52.9% (3,207 fully vaccinated)
#2. Philadelphia County, PA
- Cumulative cases per 100k: 19,972 (316,363 total cases)
--- 10.1% less cases per 100k residents than Pennsylvania
- Cumulative deaths per 100k: 322 (5,105 total deaths)
--- 8.0% less deaths per 100k residents than Pennsylvania
- Population that is fully vaccinated: 67.1% (1,062,624 fully vaccinated)
#1. Bradford County, PA
- Cumulative cases per 100k: 26,433 (15,945 total cases)
--- 19.0% more cases per 100k residents than Pennsylvania
- Cumulative deaths per 100k: 341 (206 total deaths)
--- 2.6% less deaths per 100k residents than Pennsylvania
- Population that is fully vaccinated: 39.7% (23,970 fully vaccinated)