Our Sources
Chicago Local Events aggregates event data from 25 local sources across the city — public calendars, cultural institutions, and local event platforms. Every event on this site traces back to one of these sources.
The table below shows each source, along with the number of raw events we pull from it and the number of canonical events it contributed (after deduplication and normalization).
| Source | Raw Events | Canonical Events |
|---|---|---|
| Chicago Park District | 12582 | 10497 |
| Chicago Public Library | 10661 | 10260 |
| Magnificent Mile Association | 349 | 348 |
| Field Museum | 137 | 137 |
| Chicago Loop Alliance | 143 | 122 |
| Art Institute of Chicago | 138 | 118 |
| Institute for the Study of Ancient Cultures (ISAC) | 111 | 110 |
| Chicago Department of Cultural Affairs and Special Events | 90 | 84 |
| Chicago History Museum | 77 | 77 |
| Lincoln Park Zoo | 61 | 61 |
| Griffin Museum of Science and Industry | 46 | 45 |
| Peggy Notebaert Nature Museum | 46 | 42 |
| International Museum of Surgical Science | 40 | 40 |
| Special Events Management | 34 | 34 |
| Shedd Aquarium | 37 | 32 |
| DuSable Black History Museum | 27 | 27 |
| Museum of Contemporary Photography | 24 | 24 |
| American Writers Museum | 22 | 22 |
| Driehaus Museum | 20 | 20 |
| National Museum of Mexican Art | 22 | 20 |
| Chicagoland Chamber of Commerce | 15 | 15 |
| Chicago Architecture Center | 8 | 8 |
| National Veterans Art Museum | 9 | 5 |
| Chicago Children's Museum | 2 | 2 |
| Smart Museum of Art | 2 | 2 |
Add a source
Know a local calendar that should be included? Get in touch — we’re always looking to expand our coverage.