Homes for Sale in Monticello, IL

19 homes for sale · Updated November 9, 2026

Market snapshot for Monticello, IL

Median price
$310,000
Average price
$355,153
Highest price
$735,000
Avg price / sqft
$183/sqft
Avg home size
1,987 sqft
Avg days on market
68
Avg year built
1990
Avg beds / baths
3.2 bd / 2.2 ba

All homes for sale in Monticello