Discover Collinsville
compiled from our dataCollinsville is located in Illinois, USA, and has a population of about 24,366. Our atlas lists 112 places here.
These include 21 sights and 3 museums, 76 restaurants, 12 places to stay and 0 cocktail bars. Highlights include Blum House, Worlds Largest Catsup Bottle, Cahokia Mounds State Historic Site.