Homes for Sale in Illinois City, IL
3 homes for sale · Updated September 25, 2026
Market snapshot for Illinois City, IL
- Median price
- $785,000
- Average price
- $679,667
- Highest price
- $875,000
- Avg price / sqft
- $248/sqft
- Avg home size
- 3,246 sqft
- Avg days on market
- 37
- Avg year built
- 1969
- Avg beds / baths
- 3.3 bd / 3 ba
All homes for sale in Illinois City
- 10515 175th street west, Illinois City 61259 $875,000 · 4 bd · 5 ba · 5,922 sqft
- 9910 207th street, Illinois City 61259 $379,000 · 3 bd · 2 ba · 1,768 sqft