Our Sources
Chicago Local Events aggregates event data from 24 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 | 10599 | 9007 |
| Chicago Public Library | 7772 | 7416 |
| Magnificent Mile Association | 273 | 270 |
| Chicago Loop Alliance | 115 | 94 |
| Field Museum | 83 | 82 |
| Art Institute of Chicago | 85 | 65 |
| Chicago Department of Cultural Affairs and Special Events | 67 | 65 |
| Chicago History Museum | 59 | 59 |
| Peggy Notebaert Nature Museum | 44 | 40 |
| Lincoln Park Zoo | 39 | 39 |
| Institute for the Study of Ancient Cultures (ISAC) | 37 | 37 |
| Shedd Aquarium | 37 | 32 |
| Griffin Museum of Science and Industry | 32 | 31 |
| Special Events Management | 28 | 28 |
| International Museum of Surgical Science | 25 | 25 |
| Driehaus Museum | 20 | 20 |
| National Museum of Mexican Art | 22 | 20 |
| American Writers Museum | 16 | 16 |
| DuSable Black History Museum | 10 | 10 |
| Museum of Contemporary Photography | 10 | 10 |
| Chicago Architecture Center | 7 | 7 |
| National Veterans Art Museum | 9 | 5 |
| Chicagoland Chamber of Commerce | 4 | 4 |
| Chicago Children's Museum | 2 | 2 |
Add a source
Know a local calendar that should be included? Get in touch — we’re always looking to expand our coverage.