Monticello, Illinois
Monticello is a city in Piatt County, Illinois, with an estimated population of 6,018 in 2023. It sits at 40.0335, -88.5741 in the America/Chicago time zone.
| Field | Value |
|---|---|
| Place name | Monticello |
| Type | city |
| State | Illinois (IL) |
| County | Piatt County |
| Population (2023 est.) | 6,018 |
| Land area | 3.88 sq mi (10.04 km²) |
| Coordinates | 40.0335, -88.5741 |
| Time zone | America/Chicago |
| ZIP codes | 61856 |
ZIP codes and area codes for Monticello
Monticello covers 1 ZIP code: 61856. Browse all ZIP codes in Illinois for the full list.
Where is Monticello?
Monticello is located in Illinois, in Piatt County. The coordinates above can be pasted directly into any map service. The nearest indexed places are listed below, which is a useful check when two states share a place name.
Nearby places
De Land 11 km · ILBement 12 km · ILCisco 13 km · ILIvesdale 14 km · ILWeldon 18 km · ILBondville 20 km · ILMansfield 21 km · ILSadorus 21 km · IL
Other places in Piatt County
Related
Frequently asked questions
What county is Monticello, IL in?
Monticello is in Piatt County, Illinois.
What is the population of Monticello, IL?
The 2023 Census Bureau estimate is 6,018.
What time zone is Monticello in?
Monticello is in the America/Chicago time zone.