Is Illinois City, IL 61259 a buyer’s or seller’s market?

The Illinois City housing market right now

In the three months ending August 31, 2026, 25% of homes in Illinois City, IL 61259 sold above their list price, the typical home went under contract in 28 days and there were 2.4 months of supply. Under four months of supply means sellers have the edge: expect competition for well-priced homes. With only 4 sales, these figures can swing a lot from month to month.

Compared with the same period a year earlier, the share selling over asking rose from 0%, homes sold more slowly (12 days then) and the median sale price rose 109% to $309,866. Overall, Illinois City is more competitive than a year ago, so tougher for buyers.

Within Rock Island County, homes here sell more slowly than in any other ZIP code in the county, and sell less often over asking than in 71%.

Nearby, buyers who want less competition could look at Cordova 61242 (0% sold over asking) or Hampton 61256 (10% sold over asking), while Rapids City 61278 (100% sold over asking) and Carbon Cliff 61239 (67% sold over asking) are even more competitive.