Monticello is located in north central Jones County near the junction of U.S. Highway 151 & Iowa Highway 38. Cedar Rapids is located 35 miles to the southwest, and Dubuque 35 miles to the northwest. Monticello is 16 miles south of U.S. Highway 20, 35 miles east of Interstate 380, and 50 miles north of Interstate 80.
Population: (According to the 2010 U.S. Census)
Monticello...............3,796
Jones County.......20,638
State of Iowa...3,046,355