Charts: Tracking the number of coronavirus cases in every Massachusetts county

These graphs will be updated every day as the Massachusetts Department of Public Health releases new case data.

Overall numbers:

  • Cases: 119,874
  • Patients tested: 1,262,877
  • Deaths: 8,691

A couple notes on the charts below, which may take a few moments to load:

  • The charts begin on Jan. 31, 2020 (the day before the first case in Massachusetts was announced).
  • Cases appear on the date the Massachusetts Department of Public Health announced them.
  • On June 1, 2020, the department began adding probable cases to the totals.
  • On June 30, 2020, the state’s coronavirus death toll dropped by 41 “due to ongoing data cleaning which identifies and removes duplicate reports.”




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