Monticello, IL Insights: Population,
Zip Codes, Influence, and Service Areas

Monticello (/ˌmɒntɪˈsɛloʊ/ i MON-tiss-EL-oh) is a city and county seat of Piatt County, Illinois, United States. The population was 5,941 at the 2020 census.

Zip Codes in Monticello, IL that we also serve: 61856





Cities Close To Monticello, IL That We Also Serve