Our Sources
Chicago Local Events aggregates event data from 23 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 Public Library | 3473 | 3316 |
| Chicago Park District | 6025 | 2290 |
| Magnificent Mile Association | 206 | 103 |
| Chicago Loop Alliance | 97 | 80 |
| Chicago History Museum | 43 | 43 |
| Field Museum | 35 | 35 |
| Shedd Aquarium | 37 | 32 |
| Chicago Department of Cultural Affairs and Special Events | 31 | 31 |
| Peggy Notebaert Nature Museum | 33 | 29 |
| Special Events Management | 25 | 25 |
| Art Institute of Chicago | 22 | 22 |
| Institute for the Study of Ancient Cultures (ISAC) | 18 | 18 |
| Griffin Museum of Science and Industry | 17 | 17 |
| Lincoln Park Zoo | 16 | 16 |
| Driehaus Museum | 13 | 13 |
| National Museum of Mexican Art | 12 | 11 |
| American Writers Museum | 8 | 8 |
| International Museum of Surgical Science | 7 | 7 |
| DuSable Black History Museum | 6 | 6 |
| Chicago Architecture Center | 5 | 5 |
| National Veterans Art Museum | 8 | 4 |
| Chicago Children's Museum | 2 | 2 |
| Chicagoland Chamber of Commerce | 1 | 1 |
Add a source
Know a local calendar that should be included? Get in touch — we’re always looking to expand our coverage.