Home › Venues › Portage Theater Portage Theater Tickets Buy tickets for concerts at Portage Theater in Chicago, IL. No Upcoming Events No upcoming events scheduled at Portage Theater. Please contact us with any corrections. Hotels & Lodging Near Portage Theater About the Venue Portage Theater At-a-Glance Capacity 1,300Address4050 N Milwaukee AveChicago, IL 60641United States Map & Directions Advertisement