Chicago Department of Public Health inspection records include data from the former Department of Environment prior to 2012. The dataset contains inspection details such as results, dates, locations, and categories. It is maintained by data.cityofchicago.org and was last updated in April 2026.
Use Cases
- Predict INSPECTION RESULT based on INSPECTION CATEGORY, location (LATITUDE, LONGITUDE), and INSPECTION DATE using classification models.
- Analyze spatial patterns of violations by aggregating RESULT data by Census Tracts or Community Areas.
- Temporal trend analysis of inspection frequency and outcomes using INSPECTION DATE and RESULT DATE fields.
- Geocode inspection addresses using ADDRESS, STREET NAME, and ZIP Codes for mapping public health risks.
Strengths
- Contains 23 distinct columns of inspection metadata.
- Includes precise geospatial coordinates (LATITUDE, LONGITUDE) for location-based analysis.
Limitations
- Sample size and total row count are unknown, limiting assessment of statistical power.
- Data temporal coverage is unclear beyond the transition date of January 1, 2012.
Provenance
- Source
- data.cityofchicago.org
- Collection Method
- Inspections conducted by the Department of Environment (DOE) and later the Chicago Department of Public Health (CDPH).
- Time Range
- Records through December 31, 2011 from DOE and from January 1, 2012 from CDPH.
- Freshness
- null
- Geography
- City of Chicago, with boundaries defined by ZIP Codes, Community Areas, Wards, and Census Tracts.