Carlyle, Illinois, is a small city located in Clinton County. It has a population of around 3,500 residents and covers an area of approximately 3.5 square miles. The city is known for its friendly community and offers various local amenities, including parks and recreational facilities. One of the notable features of Carlyle is Carlyle Lake, which is the largest man-made lake in Illinois. This popular destination provides opportunities for fishing, boating, and camping, attracting visitors from nearby areas. The city also hosts several annual events that celebrate its local culture and heritage.