Concert Venues in Decatur, IL Devon Lakeshore Amphitheater Where: 2686 E. Cantrell St., Decatur, Illinois - 62521 Events: 32 Decatur Civic Center Where: 1 Gary K Anderson Plaza, Decatur, Illinois - 62523 Events: 9 Lincoln Square Theatre Where: 141 North Main Street, Decatur, Illinois - 62523 Events: 3 Macon County Fairgrounds Where: 3700 N Westlawn Ave, Decatur, Illinois - 62526 Events: 1