MD counties COVID-19 cases adjusted for population

Since a few weeks, I report the raw number of COVID-19 cases in Maryland counties. If this gives an idea of the cumulative number of cases – which is interesting – it doesn’t reflect the fact that some counties have more inhabitants than others. That’s why I plotted below the number of COVID-19 cases adjusted for the population:

Evolution of COVID-19 confirmed cases in Maryland counties, adjusted and not adjusted for population, on May 11, 2020
(click to see more details)

Today (May 11, 2020), in terms of absolute number of cases, Prince Georges, Montgomery and Baltimore County are the top 3 counties. In terms of confirmed cases per 100,000 population, the top 3 counties are Prince Georges, Montgomery and Wicomico (due to a recent surge in cases).

Rank on May 11, 2020Absolute # of COVID-19 casesCOVID-19 cases per 100,000 population
1Prince Georges (9,687)Prince Georges (1,057)
2Montgomery (6,909)Montgomery (656)
3Baltimore County (3,948)Wicomico (649)
4Baltimore City (3353)Kent (555)
5Anne Arundel (2492)Baltimore City (544)

This is a lot given that, today, the average for Maryland is 401/100,000 (source: CDC) and the average for the US is 552/100,000 (source: OurWorldInData).

Source of Maryland County population: projections from the Maryland Department of Planning.
As usual, you’ll find other graphs on my page about COVID-19 in Maryland and the data, code and figures are on Github.

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