store:
 location:

Costco Illinois Store Locator

Address, Contact Information, & Hours of Operation for Costco Locations in Illinois

Locations:
  1. Bedford Park
  2. Bloomingdale
  3. Bolingbrook
  4. Chicago
  5. Glenview
  6. Lake in the Hills
  7. Lake Zurich
  8. Melrose Park
  9. Mettawa
  10. Mount Prospect
  11. Naperville
  12. Niles
  13. Oak Brook
  14. Orland Park
  15. Schaumburg
  16. St. Charles