Counties with highest COVID-19 infection rates in Arizona
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April 22, 2021
HildaWeges Photography // Shutterstock
Counties with highest COVID-19 infection rates in Arizona
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 Arizona 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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United States Bureau of Land Management // Wikimedia Commons
#14. La Paz County
- New cases per 100k in the past week: 9 (2 new cases, -50% change from previous week)
--- Compared to average rate of new cases in Arizona: 84.5% less cases per 100k residents
- Cumulative cases per 100k: 11,616 (2,452 total cases)
- New deaths per 100k in the past week: 4.7 (1 new deaths, 0% change from previous week)
- Cumulative deaths per 100k: 374 (79 total deaths)
- Test positivity rate: 6.1%
--- Compared to average rate of new cases in Arizona: 84.5% less cases per 100k residents
- Cumulative cases per 100k: 11,616 (2,452 total cases)
- New deaths per 100k in the past week: 4.7 (1 new deaths, 0% change from previous week)
- Cumulative deaths per 100k: 374 (79 total deaths)
- Test positivity rate: 6.1%
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#13. Gila County
- New cases per 100k in the past week: 15 (8 new cases, -97% change from previous week)
--- Compared to average rate of new cases in Arizona: 74.1% less cases per 100k residents
- Cumulative cases per 100k: 12,701 (6,861 total cases)
- New deaths per 100k in the past week: 3.7 (2 new deaths, -33% change from previous week)
- Cumulative deaths per 100k: 420 (227 total deaths)
- Test positivity rate: 1.5%
--- Compared to average rate of new cases in Arizona: 74.1% less cases per 100k residents
- Cumulative cases per 100k: 12,701 (6,861 total cases)
- New deaths per 100k in the past week: 3.7 (2 new deaths, -33% change from previous week)
- Cumulative deaths per 100k: 420 (227 total deaths)
- Test positivity rate: 1.5%
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Andreas F. Borchert // Wikimedia Commons
#12. Apache County
- New cases per 100k in the past week: 19 (14 new cases, -78% change from previous week)
--- Compared to average rate of new cases in Arizona: 67.2% less cases per 100k residents
- Cumulative cases per 100k: 15,677 (11,270 total cases)
- New deaths per 100k in the past week: 0 (0 new deaths, -100% change from previous week)
- Cumulative deaths per 100k: 587 (422 total deaths)
- Test positivity rate: 2.5%
--- Compared to average rate of new cases in Arizona: 67.2% less cases per 100k residents
- Cumulative cases per 100k: 15,677 (11,270 total cases)
- New deaths per 100k in the past week: 0 (0 new deaths, -100% change from previous week)
- Cumulative deaths per 100k: 587 (422 total deaths)
- Test positivity rate: 2.5%
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#11. Yuma County
- New cases per 100k in the past week: 27 (57 new cases, -56% change from previous week)
--- Compared to average rate of new cases in Arizona: 53.4% less cases per 100k residents
- Cumulative cases per 100k: 17,301 (36,987 total cases)
- New deaths per 100k in the past week: 1.4 (3 new deaths, -25% change from previous week)
- Cumulative deaths per 100k: 387 (827 total deaths)
- Test positivity rate: 3.8%
--- Compared to average rate of new cases in Arizona: 53.4% less cases per 100k residents
- Cumulative cases per 100k: 17,301 (36,987 total cases)
- New deaths per 100k in the past week: 1.4 (3 new deaths, -25% change from previous week)
- Cumulative deaths per 100k: 387 (827 total deaths)
- Test positivity rate: 3.8%
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#10. Graham County
- New cases per 100k in the past week: 28 (11 new cases, -93% change from previous week)
--- Compared to average rate of new cases in Arizona: 51.7% less cases per 100k residents
- Cumulative cases per 100k: 14,242 (5,531 total cases)
- New deaths per 100k in the past week: 0 (0 new deaths, -100% change from previous week)
- Cumulative deaths per 100k: 198 (77 total deaths)
- Test positivity rate: 1.8%
--- Compared to average rate of new cases in Arizona: 51.7% less cases per 100k residents
- Cumulative cases per 100k: 14,242 (5,531 total cases)
- New deaths per 100k in the past week: 0 (0 new deaths, -100% change from previous week)
- Cumulative deaths per 100k: 198 (77 total deaths)
- Test positivity rate: 1.8%
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#9. Yavapai County
- New cases per 100k in the past week: 37 (86 new cases, +1% change from previous week)
--- Compared to average rate of new cases in Arizona: 36.2% less cases per 100k residents
- Cumulative cases per 100k: 7,878 (18,522 total cases)
- New deaths per 100k in the past week: 2.1 (5 new deaths, +400% change from previous week)
- Cumulative deaths per 100k: 211 (496 total deaths)
- Test positivity rate: 4.1%
--- Compared to average rate of new cases in Arizona: 36.2% less cases per 100k residents
- Cumulative cases per 100k: 7,878 (18,522 total cases)
- New deaths per 100k in the past week: 2.1 (5 new deaths, +400% change from previous week)
- Cumulative deaths per 100k: 211 (496 total deaths)
- Test positivity rate: 4.1%
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#8. Mohave County
- New cases per 100k in the past week: 48 (102 new cases, -1% change from previous week)
--- Compared to average rate of new cases in Arizona: 17.2% less cases per 100k residents
- Cumulative cases per 100k: 10,569 (22,426 total cases)
- New deaths per 100k in the past week: 2.8 (6 new deaths, +200% change from previous week)
- Cumulative deaths per 100k: 329 (698 total deaths)
- Test positivity rate: 6.5%
--- Compared to average rate of new cases in Arizona: 17.2% less cases per 100k residents
- Cumulative cases per 100k: 10,569 (22,426 total cases)
- New deaths per 100k in the past week: 2.8 (6 new deaths, +200% change from previous week)
- Cumulative deaths per 100k: 329 (698 total deaths)
- Test positivity rate: 6.5%
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#7. Santa Cruz County
- New cases per 100k in the past week: 49 (23 new cases, -18% change from previous week)
--- Compared to average rate of new cases in Arizona: 15.5% less cases per 100k residents
- Cumulative cases per 100k: 16,986 (7,898 total cases)
- New deaths per 100k in the past week: 0 (0 new deaths, -100% change from previous week)
- Cumulative deaths per 100k: 374 (174 total deaths)
- Test positivity rate: 2.9%
--- Compared to average rate of new cases in Arizona: 15.5% less cases per 100k residents
- Cumulative cases per 100k: 16,986 (7,898 total cases)
- New deaths per 100k in the past week: 0 (0 new deaths, -100% change from previous week)
- Cumulative deaths per 100k: 374 (174 total deaths)
- Test positivity rate: 2.9%
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#6. Pima County
- New cases per 100k in the past week: 51 (530 new cases, -20% change from previous week)
--- Compared to average rate of new cases in Arizona: 12.1% less cases per 100k residents
- Cumulative cases per 100k: 10,913 (114,294 total cases)
- New deaths per 100k in the past week: 1.1 (11 new deaths, 0% change from previous week)
- Cumulative deaths per 100k: 227 (2,381 total deaths)
- Test positivity rate: 3.1%
--- Compared to average rate of new cases in Arizona: 12.1% less cases per 100k residents
- Cumulative cases per 100k: 10,913 (114,294 total cases)
- New deaths per 100k in the past week: 1.1 (11 new deaths, 0% change from previous week)
- Cumulative deaths per 100k: 227 (2,381 total deaths)
- Test positivity rate: 3.1%
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#5. Navajo County
- New cases per 100k in the past week: 54 (60 new cases, -76% change from previous week)
--- Compared to average rate of new cases in Arizona: 6.9% less cases per 100k residents
- Cumulative cases per 100k: 14,477 (16,058 total cases)
- New deaths per 100k in the past week: 0 (0 new deaths, -100% change from previous week)
- Cumulative deaths per 100k: 471 (523 total deaths)
- Test positivity rate: 3.8%
--- Compared to average rate of new cases in Arizona: 6.9% less cases per 100k residents
- Cumulative cases per 100k: 14,477 (16,058 total cases)
- New deaths per 100k in the past week: 0 (0 new deaths, -100% change from previous week)
- Cumulative deaths per 100k: 471 (523 total deaths)
- Test positivity rate: 3.8%
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#4. Maricopa County
- New cases per 100k in the past week: 62 (2,785 new cases, -1% change from previous week)
--- Compared to average rate of new cases in Arizona: 6.9% more cases per 100k residents
- Cumulative cases per 100k: 11,853 (531,673 total cases)
- New deaths per 100k in the past week: 0.8 (34 new deaths, -48% change from previous week)
- Cumulative deaths per 100k: 218 (9,767 total deaths)
- Test positivity rate: 4.9%
--- Compared to average rate of new cases in Arizona: 6.9% more cases per 100k residents
- Cumulative cases per 100k: 11,853 (531,673 total cases)
- New deaths per 100k in the past week: 0.8 (34 new deaths, -48% change from previous week)
- Cumulative deaths per 100k: 218 (9,767 total deaths)
- Test positivity rate: 4.9%
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#3. Cochise County
- New cases per 100k in the past week: 63 (79 new cases, -17% change from previous week)
--- Compared to average rate of new cases in Arizona: 8.6% more cases per 100k residents
- Cumulative cases per 100k: 9,394 (11,829 total cases)
- New deaths per 100k in the past week: 0 (0 new deaths, -100% change from previous week)
- Cumulative deaths per 100k: 224 (282 total deaths)
- Test positivity rate: 6.2%
--- Compared to average rate of new cases in Arizona: 8.6% more cases per 100k residents
- Cumulative cases per 100k: 9,394 (11,829 total cases)
- New deaths per 100k in the past week: 0 (0 new deaths, -100% change from previous week)
- Cumulative deaths per 100k: 224 (282 total deaths)
- Test positivity rate: 6.2%
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#2. Pinal County
- New cases per 100k in the past week: 67 (309 new cases, -35% change from previous week)
--- Compared to average rate of new cases in Arizona: 15.5% more cases per 100k residents
- Cumulative cases per 100k: 10,930 (50,585 total cases)
- New deaths per 100k in the past week: 0 (0 new deaths, -100% change from previous week)
- Cumulative deaths per 100k: 186 (862 total deaths)
- Test positivity rate: 3.8%
--- Compared to average rate of new cases in Arizona: 15.5% more cases per 100k residents
- Cumulative cases per 100k: 10,930 (50,585 total cases)
- New deaths per 100k in the past week: 0 (0 new deaths, -100% change from previous week)
- Cumulative deaths per 100k: 186 (862 total deaths)
- Test positivity rate: 3.8%
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HildaWeges Photography // Shutterstock
#1. Coconino County
- New cases per 100k in the past week: 107 (154 new cases, -9% change from previous week)
--- Compared to average rate of new cases in Arizona: 84.5% more cases per 100k residents
- Cumulative cases per 100k: 12,197 (17,500 total cases)
- New deaths per 100k in the past week: 0 (0 new deaths, -100% change from previous week)
- Cumulative deaths per 100k: 229 (328 total deaths)
- Test positivity rate: 4.2%
--- Compared to average rate of new cases in Arizona: 84.5% more cases per 100k residents
- Cumulative cases per 100k: 12,197 (17,500 total cases)
- New deaths per 100k in the past week: 0 (0 new deaths, -100% change from previous week)
- Cumulative deaths per 100k: 229 (328 total deaths)
- Test positivity rate: 4.2%
