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Counties with highest COVID-19 infection rates in Arizona
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 Nov. 16 reached over 1 million COVID-19-related deaths and 98.1 million COVID-19 cases, according to Johns Hopkins University. Currently, 68.6% of the population is fully vaccinated, and 10.1% of vaccinated people have received the most recently available bivalent booster doses.
Stacker compiled a list of the counties with highest COVID-19 infection rates in Arizona 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 Nov. 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.
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#15. La Paz County, AZ
- New cases per 100k in the past week: 14 (3 new cases, 0% change from previous week)
- Cumulative cases per 100k: 27,388 (5,781 total cases)
--- 13.3% less cases per 100k residents than Arizona
- Cumulative deaths per 100k: 720 (152 total deaths)
--- 65.9% more deaths per 100k residents than Arizona
- Population that is fully vaccinated: 49.7% (10,496 fully vaccinated)
- Cumulative cases per 100k: 27,388 (5,781 total cases)
--- 13.3% less cases per 100k residents than Arizona
- Cumulative deaths per 100k: 720 (152 total deaths)
--- 65.9% more deaths per 100k residents than Arizona
- Population that is fully vaccinated: 49.7% (10,496 fully vaccinated)
#14. Yuma County, AZ
- New cases per 100k in the past week: 50 (107 new cases, +62% change from previous week)
- Cumulative cases per 100k: 31,878 (68,152 total cases)
--- 0.9% more cases per 100k residents than Arizona
- Cumulative deaths per 100k: 571 (1,220 total deaths)
--- 31.6% more deaths per 100k residents than Arizona
- Population that is fully vaccinated: 75.5% (161,438 fully vaccinated)
- Cumulative cases per 100k: 31,878 (68,152 total cases)
--- 0.9% more cases per 100k residents than Arizona
- Cumulative deaths per 100k: 571 (1,220 total deaths)
--- 31.6% more deaths per 100k residents than Arizona
- Population that is fully vaccinated: 75.5% (161,438 fully vaccinated)
#13. Graham County, AZ
- New cases per 100k in the past week: 51 (20 new cases, +11% change from previous week)
- Cumulative cases per 100k: 34,781 (13,508 total cases)
--- 10.1% more cases per 100k residents than Arizona
- Cumulative deaths per 100k: 474 (184 total deaths)
--- 9.2% more deaths per 100k residents than Arizona
- Population that is fully vaccinated: 67.3% (26,156 fully vaccinated)
- Cumulative cases per 100k: 34,781 (13,508 total cases)
--- 10.1% more cases per 100k residents than Arizona
- Cumulative deaths per 100k: 474 (184 total deaths)
--- 9.2% more deaths per 100k residents than Arizona
- Population that is fully vaccinated: 67.3% (26,156 fully vaccinated)
#12. Greenlee County, AZ
- New cases per 100k in the past week: 74 (7 new cases, -12% change from previous week)
- Cumulative cases per 100k: 26,311 (2,499 total cases)
--- 16.7% less cases per 100k residents than Arizona
- Cumulative deaths per 100k: 411 (39 total deaths)
--- 5.3% less deaths per 100k residents than Arizona
- Population that is fully vaccinated: 45.3% (4,307 fully vaccinated)
- Cumulative cases per 100k: 26,311 (2,499 total cases)
--- 16.7% less cases per 100k residents than Arizona
- Cumulative deaths per 100k: 411 (39 total deaths)
--- 5.3% less deaths per 100k residents than Arizona
- Population that is fully vaccinated: 45.3% (4,307 fully vaccinated)
#11. Pinal County, AZ
- New cases per 100k in the past week: 75 (345 new cases, +34% change from previous week)
- Cumulative cases per 100k: 32,207 (149,052 total cases)
--- 1.9% more cases per 100k residents than Arizona
- Cumulative deaths per 100k: 376 (1,740 total deaths)
--- 13.4% less deaths per 100k residents than Arizona
- Population that is fully vaccinated: 57.5% (266,329 fully vaccinated)
- Cumulative cases per 100k: 32,207 (149,052 total cases)
--- 1.9% more cases per 100k residents than Arizona
- Cumulative deaths per 100k: 376 (1,740 total deaths)
--- 13.4% less deaths per 100k residents than Arizona
- Population that is fully vaccinated: 57.5% (266,329 fully vaccinated)
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#10. Santa Cruz County, AZ
- New cases per 100k in the past week: 88 (41 new cases, +41% change from previous week)
- Cumulative cases per 100k: 40,144 (18,666 total cases)
--- 27.0% more cases per 100k residents than Arizona
- Cumulative deaths per 100k: 514 (239 total deaths)
--- 18.4% more deaths per 100k residents than Arizona
- Population that is fully vaccinated: not available
- Cumulative cases per 100k: 40,144 (18,666 total cases)
--- 27.0% more cases per 100k residents than Arizona
- Cumulative deaths per 100k: 514 (239 total deaths)
--- 18.4% more deaths per 100k residents than Arizona
- Population that is fully vaccinated: not available
#9. Maricopa County, AZ
- New cases per 100k in the past week: 89 (3,992 new cases, +48% change from previous week)
- Cumulative cases per 100k: 32,110 (1,440,250 total cases)
--- 1.6% more cases per 100k residents than Arizona
- Cumulative deaths per 100k: 402 (18,052 total deaths)
--- 7.4% less deaths per 100k residents than Arizona
- Population that is fully vaccinated: 61.0% (2,736,649 fully vaccinated)
- Cumulative cases per 100k: 32,110 (1,440,250 total cases)
--- 1.6% more cases per 100k residents than Arizona
- Cumulative deaths per 100k: 402 (18,052 total deaths)
--- 7.4% less deaths per 100k residents than Arizona
- Population that is fully vaccinated: 61.0% (2,736,649 fully vaccinated)
#8. Mohave County, AZ
- New cases per 100k in the past week: 99 (209 new cases, +42% change from previous week)
- Cumulative cases per 100k: 30,357 (64,412 total cases)
--- 3.9% less cases per 100k residents than Arizona
- Cumulative deaths per 100k: 739 (1,568 total deaths)
--- 70.3% more deaths per 100k residents than Arizona
- Population that is fully vaccinated: 44.4% (94,202 fully vaccinated)
- Cumulative cases per 100k: 30,357 (64,412 total cases)
--- 3.9% less cases per 100k residents than Arizona
- Cumulative deaths per 100k: 739 (1,568 total deaths)
--- 70.3% more deaths per 100k residents than Arizona
- Population that is fully vaccinated: 44.4% (94,202 fully vaccinated)
#7. Pima County, AZ
- New cases per 100k in the past week: 103 (1,081 new cases, +33% change from previous week)
- Cumulative cases per 100k: 28,302 (296,396 total cases)
--- 10.4% less cases per 100k residents than Arizona
- Cumulative deaths per 100k: 386 (4,040 total deaths)
--- 11.1% less deaths per 100k residents than Arizona
- Population that is fully vaccinated: 74.1% (775,676 fully vaccinated)
- Cumulative cases per 100k: 28,302 (296,396 total cases)
--- 10.4% less cases per 100k residents than Arizona
- Cumulative deaths per 100k: 386 (4,040 total deaths)
--- 11.1% less deaths per 100k residents than Arizona
- Population that is fully vaccinated: 74.1% (775,676 fully vaccinated)
#6. Yavapai County, AZ
- New cases per 100k in the past week: 105 (247 new cases, +34% change from previous week)
- Cumulative cases per 100k: 23,891 (56,167 total cases)
--- 24.4% less cases per 100k residents than Arizona
- Cumulative deaths per 100k: 554 (1,302 total deaths)
--- 27.6% more deaths per 100k residents than Arizona
- Population that is fully vaccinated: 51.4% (120,812 fully vaccinated)
- Cumulative cases per 100k: 23,891 (56,167 total cases)
--- 24.4% less cases per 100k residents than Arizona
- Cumulative deaths per 100k: 554 (1,302 total deaths)
--- 27.6% more deaths per 100k residents than Arizona
- Population that is fully vaccinated: 51.4% (120,812 fully vaccinated)
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#5. Cochise County, AZ
- New cases per 100k in the past week: 117 (147 new cases, -9% change from previous week)
- Cumulative cases per 100k: 29,182 (36,747 total cases)
--- 7.7% less cases per 100k residents than Arizona
- Cumulative deaths per 100k: 475 (598 total deaths)
--- 9.4% more deaths per 100k residents than Arizona
- Population that is fully vaccinated: 70.7% (89,042 fully vaccinated)
- Cumulative cases per 100k: 29,182 (36,747 total cases)
--- 7.7% less cases per 100k residents than Arizona
- Cumulative deaths per 100k: 475 (598 total deaths)
--- 9.4% more deaths per 100k residents than Arizona
- Population that is fully vaccinated: 70.7% (89,042 fully vaccinated)
#4. Gila County, AZ
- New cases per 100k in the past week: 120 (65 new cases, +55% change from previous week)
- Cumulative cases per 100k: 37,199 (20,094 total cases)
--- 17.7% more cases per 100k residents than Arizona
- Cumulative deaths per 100k: 742 (401 total deaths)
--- 71.0% more deaths per 100k residents than Arizona
- Population that is fully vaccinated: 62.3% (33,653 fully vaccinated)
- Cumulative cases per 100k: 37,199 (20,094 total cases)
--- 17.7% more cases per 100k residents than Arizona
- Cumulative deaths per 100k: 742 (401 total deaths)
--- 71.0% more deaths per 100k residents than Arizona
- Population that is fully vaccinated: 62.3% (33,653 fully vaccinated)
#3. Coconino County, AZ
- New cases per 100k in the past week: 146 (209 new cases, +28% change from previous week)
- Cumulative cases per 100k: 35,287 (50,628 total cases)
--- 11.7% more cases per 100k residents than Arizona
- Cumulative deaths per 100k: 351 (504 total deaths)
--- 19.1% less deaths per 100k residents than Arizona
- Population that is fully vaccinated: 82.2% (117,933 fully vaccinated)
- Cumulative cases per 100k: 35,287 (50,628 total cases)
--- 11.7% more cases per 100k residents than Arizona
- Cumulative deaths per 100k: 351 (504 total deaths)
--- 19.1% less deaths per 100k residents than Arizona
- Population that is fully vaccinated: 82.2% (117,933 fully vaccinated)
#2. Navajo County, AZ
- New cases per 100k in the past week: 286 (317 new cases, +92% change from previous week)
- Cumulative cases per 100k: 40,644 (45,084 total cases)
--- 28.6% more cases per 100k residents than Arizona
- Cumulative deaths per 100k: 854 (947 total deaths)
--- 96.8% more deaths per 100k residents than Arizona
- Population that is fully vaccinated: 83.9% (93,038 fully vaccinated)
- Cumulative cases per 100k: 40,644 (45,084 total cases)
--- 28.6% more cases per 100k residents than Arizona
- Cumulative deaths per 100k: 854 (947 total deaths)
--- 96.8% more deaths per 100k residents than Arizona
- Population that is fully vaccinated: 83.9% (93,038 fully vaccinated)
#1. Apache County, AZ
- New cases per 100k in the past week: 793 (570 new cases, +50% change from previous week)
- Cumulative cases per 100k: 45,821 (32,939 total cases)
--- 45.0% more cases per 100k residents than Arizona
- Cumulative deaths per 100k: 872 (627 total deaths)
--- 100.9% more deaths per 100k residents than Arizona
- Population that is fully vaccinated: 95.0% (78,627 fully vaccinated)
- Cumulative cases per 100k: 45,821 (32,939 total cases)
--- 45.0% more cases per 100k residents than Arizona
- Cumulative deaths per 100k: 872 (627 total deaths)
--- 100.9% more deaths per 100k residents than Arizona
- Population that is fully vaccinated: 95.0% (78,627 fully vaccinated)
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