Tracking new Fitness business registrations across Illinois
| City | Estimated Weekly | Population |
|---|---|---|
| Chicago | 18 | 2,696,555 |
| Aurora | 1 | 180,542 |
| Naperville | 1 | 149,540 |
| Joliet | 1 | 150,362 |
| Rockford | 1 | 148,655 |
| Springfield | 1 | 114,394 |
Weekly alerts for new Fitness businesses registering in Illinois.