Is Belleville, IL 62220 a buyer’s or seller’s market?

The Belleville housing market right now

In the three months ending August 31, 2026, 32% of homes in Belleville, IL 62220 sold above their list price, the typical home went under contract in 35 days and there were 3 months of supply. Under four months of supply means sellers have the edge: expect competition for well-priced homes. That’s based on 93 home sales.

Compared with the same period a year earlier, the share selling over asking fell from 39%, homes sold faster (42 days then) and the median sale price rose 3% to $170,926. Overall, Belleville is less competitive than a year ago, which gives buyers more room.

Within St. Clair County, homes here sell faster than in 54% of the county’s ZIP codes, and sell more often over asking than in 50%. On our competition score, Belleville ranks #270 of 464 IL ZIP codes with enough sales (score 63 out of 100).

Nearby, buyers who want less competition could look at Summerfield 62289 (0% sold over asking) or Saint Libory 62282 (0% sold over asking), while East Carondelet 62240 (75% sold over asking) and Freeburg 62243 (57% sold over asking) are even more competitive.