The John Deere Classic is a professional golf tournament on the PGA Tour. It is played annually in July, the week before the British Open, at TPC Deere Run in the Quad Cities community of Silvis, Illinois.

Answer this question: where is the john deere classic 2018 played? Let's give stream of consciousness first:
The important part for answering this question is: It is played annually in July, the week before the British Open, at TPC Deere Run in the Quad Cities community of Silvis, Illinois.
So, the final answer is TPC Deere Run in the Quad Cities community of Silvis , Illinois.