Monticello, Illinois

Monticello: City in Piatt County, Illinois, United States


Monticello is a city located in the county of Piatt in the U.S. state of Illinois. Its population at the 2010 census was 5,548 and a population density of 556 people per km². After 10 years in 2020 city had an estimated population of 5,557 inhabitants.

The city was created 194 years ago in 1828.

Monticello locator map
Location of Monticello on Illinois map.

Quick Facts about Monticello

Population : 5,557 (2020)
Country : United States of America
State : Illinois (United States)
County : Piatt County
Postal code : 61856
Phone Area Codes : 217
Area : 9.98 km2
Altitude : 659 feet / 201 meters
Capital city : Monticello is capital of Piatt County
Establishment : January 01, 1829 (194 years ago)
Time Zone : America/Chicago
Local time : 03:42:37 (7th December 2023)
Density : 557 Pop. per km² as of 2020
Population growth : 0.16% (2010-2020)
Weather : 33℉ Partly Cloudy 7-days weather
Monticello Illinois Post Office image
Monticello Illinois Post Office
Monticello Illinois Post Office image


Monticello is located at 40°1'40"N 88°34'24"W (40.0278100, -88.5734000).

Monticello map


Monticello forecast: Partly cloudy, with a low around 33. South southwest wind 10 to 17 mph, with gusts as high as 25 mph. more


The population of Monticello increased by 0.16% in 10 years.

Year Population % Change Method
2010 5,548 - census
2011 5,537 -0.2% estimation process
2012 5,479 -1.06% estimation process
2013 5,531 0.94% estimation process
2014 5,528 -0.05% estimation process
2015 5,513 -0.27% estimation process
2016 5,580 1.2% estimation process
2017 5,560 -0.36% estimation process
2018 5,561 0.02% estimation process
2019 5,561 0% estimation process
2020 5,557 -0.07% estimation process

Monticello zip code is 61856. County name: Piatt, County fips: 17147

Montiselo, mantyslw aylynwy, montiselo, mwntyslw, mwntyzlw, Монтисело, מונטיצלו, مانتیسلو، ایلینوی, مونتيسلو, مونٹی سیلو، الینوائے, मोन्टिसेलो

People born in Monticello (5)

People born in Monticello, including writer and musician Andrew Peterson, journalist George Nonte, United States Marine Corps Medal of Honor recipient Robert C. Burke, .


Schools in Monticello

College & universities near Monticello, IL

Code Name City ZIP
147916 Parkland College Champaign (IL) 61821-1899

Stations (12)

Amtrak & bus stations near Monticello, IL

Code Name Address Type
CHM Illinois Terminal 45 East University Ave. RAIL
RTL Rantoul West Sangamon and North Kentucky Aves. RAIL
MAT Mattoon station 1718 Broadway Ave. RAIL
BNL Uptown Station 100 East Parkinson St. RAIL
LCN Lincoln Broadway and North Chicago Sts. RAIL

Post offices near Monticello

Post Office Name City ZIP
Monticell Post Office Monticello (IL) 61856

Other places with the same name (14)

Other cities in Piatt County

Cities, towns, neighborhoods & other populated places in Piatt County , IL.

City Name Population Title
Bement 1,661 City in Illinois, United States of America
Blue Ridge 1,416 Unincorporated community in Illinois
Cerro Gordo 1,337 Human settlement in Illinois, United States of America
Mansfield 939 Human settlement in Illinois, United States of America
Hammond 478 Village in Illinois
De Land 423 Village in Piatt County, Illinois, United States
Cisco 242 Village in Piatt County, Illinois, United States

Distance to Other Cities

Monticello distances to largest Illinois cities