Homes for Sale in Monmouth, IL

12 homes for sale · Updated November 9, 2026

Market snapshot for Monmouth, IL

Median price
$111,000
Average price
$161,600
Highest price
$499,000
Avg price / sqft
$113/sqft
Avg home size
2,161 sqft
Avg days on market
98
Avg year built
1936
Avg beds / baths
3.4 bd / 2.3 ba

All homes for sale in Monmouth