Rentometer, Inc. | Data as of 10/23/2025
St. Clair County, nestled in southwestern Illinois just across the Mississippi River from St. Louis, offers a diverse blend of suburban comfort and urban accessibility. Residents enjoy the historic charm of East St. Louis, the family‑friendly atmosphere of O'Fallon, and the thriving commercial corridors of Belleville. Excellent transport links, including easy access to I‑55 and Metrolink, make commuting straightforward, while nearby attractions such as the UNESCO‑listed Cahokia Mounds and the vibrant Riverfront Marketplace add cultural depth to everyday life.
The rental market reflects this variety, featuring both apartments and single‑family homes that cater to a wide range of budgets and lifestyle preferences. One‑bedroom apartments typically rent in the $1000 range, while larger two‑bedroom units can extend into the $2600 range, and three‑bedroom apartments often settle around the $1450 mark. For families seeking houses, one‑bedroom rentals usually hover near $800, two‑bedroom homes around $1000, and three‑bedroom properties near $1500, with four‑plus bedroom houses reaching the $2100 range. This mix of options provides flexibility for students, young professionals, and growing families alike.
Beyond housing, St. Clair County boasts abundant amenities that enhance its rental appeal. Residents can enjoy extensive park systems, the scenic Great Rivers Trail, and a variety of dining and shopping venues along the historic Main Street districts. Proximity to higher education institutions such as Southwestern Illinois College and Southern Illinois University Edwardsville adds an academic vibe, while local festivals and community events foster a welcoming, neighborly atmosphere. Whether you’re drawn by the convenience of city‑adjacent living or the tranquility of spacious suburbs, St. Clair County presents a compelling rental landscape.
| Property Type | Bedrooms | Average | Median | Min - Max | 25th - 75th |
|---|---|---|---|---|---|
| Apartment | 1 Bedroom | $1,048 | $1,000 | $260 - $1,650 | $750 - $1,345 |
| Apartment | 2 Bedroom | $2,662 | $1,325 | $740 - $97,500 | $1,065 - $1,515 |
| Apartment | 3 Bedroom | $1,441 | $1,450 | $900 - $2,025 | $1,300 - $1,540 |
| Apartment | 4+ Bedroom | $1,895 | $1,635 | $1,500 - $2,550 | $1,500 - $2,550 |
| House | 1 Bedroom | $825 | $800 | $450 - $1,125 | $725 - $925 |
| House | 2 Bedroom | $2,550 | $1,041 | $775 - $92,500 | $950 - $1,250 |
| House | 3 Bedroom | $1,561 | $1,500 | $750 - $2,695 | $1,250 - $1,795 |
| House | 4+ Bedroom | $2,255 | $2,100 | $1,395 - $3,900 | $1,725 - $2,700 |
In the current period, the average rent in St. Clair was
$950 for 1 Bedroom,
$2,597 for 2 Bedroom,
$1,554 for 3 Bedroom, and
$2,177 for 4+ Bedroom.
Note: This analysis includes only bedroom types with sufficient data.
Data provided by Rentometer, Inc.