January 2021 Summary Statistics

Like I did with the months of March, April, May, June, July, August, September, October, November, and December 2020, I will present some summary statistics which can explain the trends that we observed during the month of January 2021.


Total Case Growth
Total cases on 31 December: 251,502
Total cases on 31 January: 329,213
Total case increase: 77,711

Smallest daily case increase: 1,366 (31 January)
Largest daily case increase: 4,870 (17 January)

Median daily growth rate: 0.88% 




Total Fatality Growth
Total fatalities on 31 December: 4,734
Total fatalities on 31 January: 5,482
Total fatality increase: 748

Smallest daily fatality increase: 11 (2, 4, & 31 January)
Largest daily fatality increase: 39 (13 January)

Median daily growth rate: 0.49%





State-Level Shares for January 2021

Median share of regional cases for Maryland: 47%
Median share of regional fatalities for Maryland: 54%
Maryland share of DC metropolitan-area population: 42%

Median share of regional cases for DC: 11%
Median share of regional fatalities for DC: 17%
DC share of DC metropolitan-area population: 13%

Median share of regional cases for Virginia: 42%
Median share of regional fatalities for Virginia: 30%
Virginia share of DC metropolitan-area population: 45%






Population-adjusted statistics, per 1,000 of population (data as of 31 January)
MD cases: 63.255
MD fatalities: 1.229

DC cases: 52.684
DC fatalities: 1.304

VA cases: 58.193
VA fatalities: 0.651




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