Maryland Statewide Cumulative COVID-19 Case Counts

MD COVID-19 - Total Cases Statewide provides the cumulative number of positive COVID-19 cases among Maryland residents. The data was reported daily by local health departments via the ESSENCE system and compiled by the State of Maryland. Updates transitioned from daily to weekly as of April 27, 2023, and the dataset was deprecated on October 10, 2025.

Use Cases

• Analyze case growth trends over time using the DATE and Count columns.
• Calculate weekly or monthly case rates from the cumulative Count field.
• Validate state-level pandemic models against the reported case Counts.

Strengths

• Data provides a longitudinal record of cumulative cases.
• Reported via a standardized public health system (ESSENCE).

Limitations

• Dataset is deprecated and no longer updated as of October 10, 2025.
• Contains only three columns (DATE, OBJECTID, Count), offering limited features for analysis.
• Unknown total row count and temporal coverage range.

Provenance

Source

State of Maryland, compiled from local health department reports via ESSENCE.

Collection Method

Aggregation of positive COVID-19 test results reported by local health departments.

Time Range

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Freshness

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Geography

State of Maryland, USA.