Monticello Illinois About
Monticello Illinois has a zip code of 61856. The current date and time in Monticello is May 4, 2024, 4:19 am and it has a population of 6,762 people. Monticello Illinois lies at an elevation of 661 feet.
Monticello Illinois has a zip code of 61856. The current date and time in Monticello is May 4, 2024, 4:19 am and it has a population of 6,762 people. Monticello Illinois lies at an elevation of 661 feet.