Monticello is a city in Piatt County, Illinois, US, with a population of approximately 5,700 as of 2019. It was founded in 1837 and named after the estate of Thomas Jefferson, the third President of the United States. The city is home to the Allerton Park and Retreat Center, a notable attraction featuring a mansion, formal gardens, and miles of hiking trails. Monticello has a rich agricultural history and is known for its annual Corn Festival, which attracts thousands of visitors each year.
True Value takes the top spot among Home Improvement Stores in Monticello, Illinois with 1 locations as of May 10, 2024.