A town of 6,304, settled in 1829. Nearly 6.6% of it is conserved land.
The 3 things Monticello does most differently from other towns.
1923 · Monticello IL 1st Presby PHS950Be the first to start the conversation.
Nothing on the calendar.
Ordered by what stands out in Monticello. Another town gets a different order.
The median sale price was $160,000 in May 2026.
0.4 miles of trails across 2 parks and preserves.
| Biggest places to walk | Trails | Acres |
|---|---|---|
| 1. Piatt County Museum | — | 3 |
| 2. Nick's Park | — | 1 |
About one in 4 of Monticello’s working residents works in town. The top destinations are Champaign (18%), Urbana (8%) and Decatur (6%). Half commute less than 19 miles.
Monticello beats the Illinois average on 10 of 32 CDC measures and trails it on 2.
| What stands out | Monticello | IL |
|---|---|---|
| Fewer adults facing food insecurity | 9.1% | 15.9% |
| Fewer uninsured adults | 5.8% | 9.9% |
| More adults who have had cancer | 10.9% | 7.6% |
Expected storm and flood damage is higher than in 70% of U.S. communities.
Monticello has chilly winters and warm summers. A typical July afternoon reaches 85°, a January night drops to 18°, and about 18 inches of snow falls in a normal winter.
Monticello's reported crime rate is well below Illinois's. Most reported incidents are property crimes, mainly thefts. No violent crimes were reported in 2025.
6 postcards, papers and photographs from public archives, and 3 places on the National Register.
3 places in Monticello on the National Register of Historic Places.
City in Illinois, United States
Monticello ( MON-tiss-EL-oh) is a city in and the county seat of Piatt County, Illinois, United States. The population was 5,941 at the 2020 census.
From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)
