July 2021 Summary Statistics

I will present some summary statistics which can explain the trends that we observed during the month of July 2021. This complements similar reports from March, April, May, June, July, August, September, October, November, and December 2020, and January, February, March, April, May, and June 2021.


Total Case Growth
Total cases on 30 June: 421,606
Total cases on 31 July: 428,721
Total case increase: 7,115

Smallest daily case increase: 41 (6 July)
Largest daily case increase: 618 (31 July)

Average daily increase: 229.52




Total Fatality Growth
Total fatalities on 30 June: 7,307
Total fatalities on 31 July: 7,356
Total fatality increase: 49

Smallest daily fatality increase: 0 (4, 5, 11, 12, 20, 25, 26, & 31 July)
Largest daily fatality increase: 6 (13 July)

Average daily increase: 1.58





State-Level Shares for July 2021

Median share of regional cases for Maryland: 44%
Median share of regional fatalities for Maryland: 52%
Maryland share of DC metropolitan-area population: 42%

Median share of regional cases for DC: 12%
Median share of regional fatalities for DC: 15%
DC share of DC metropolitan-area population: 13%

Median share of regional cases for Virginia: 44%
Median share of regional fatalities for Virginia: 33%
Virginia share of DC metropolitan-area population: 45%








Population-adjusted statistics, per 1,000 of population (data as of 31 July)
MD cases: 79.957
MD fatalities: 1.597

DC cases: 72.047
DC fatalities: 1.636

VA cases: 74.501
VA fatalities: 0.954




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