Pennsylvania County-Level COVID-19 Case Aggregates

Aggregate COVID-19 case counts and rates for all counties and the state of Pennsylvania, updated weekly until June 28th. The dataset includes both confirmed and probable cases as defined by the Council of State and Territorial Epidemiologists. It is provided by data.pa.gov and was last updated on July 22, 2025.

Use Cases

• Analyze temporal trends in New Cases and 7-day Average New Cases to identify infection waves.
• Compare county-level New Case Rates and Cumulative Case Rates using Population (2019) data for per-capita analysis.
• Map case distribution using Georeferenced Lat & Long or County FIPS Code for spatial visualization.
• Assess data reporting patterns by examining the Date field for weekly update cycles and potential backlogs.

Strengths

• Includes data for all counties in Pennsylvania plus state-level totals.
• Provides multiple calculated metrics including New Case Rate and 7-Day Average New Case Rate.

Limitations

• Weekly updates concluded on June 28th, limiting data recency.
• Case assignment to county based on zip code may cause misclassification as zip codes can cross boundaries.
• Data is subject to daily changes due to cleaning, reassignment, and error correction.

Provenance

Source

data.pa.gov

Collection Method

Aggregated from case reports; cases assigned to county based on provider or residential zip code.

Freshness

Weekly updates until June 28th; last metadata update was July 22, 2025.

Geography

All counties in Pennsylvania and the state as a whole.