College of Lake County in Grayslake, Illinois serves Chicago's northern suburbs and is the largest community college in Illinois by enrollment. That means lots of programs, lots of students, and a commuter campus vibe—business-like, not residential. You're paying little, getting solid instruction, and building a clear transfer pathway to Illinois universities (especially Northeastern Illinois and University of Illinois). Faculty are accessible despite the size, and transfer agreements are ironclad.
The northern suburbs are middle-class, diverse, and practical. You'll be surrounded by goal-focused students working, supporting families, building credentials. Not a party or residential scene, but a smart investment if you're staying in Illinois.