Current Glen Carbon median home price: $306,085
| Date | Average price (≈) | Minimum price (⇓) | Maximum price (⇑) |
|---|---|---|---|
| 2025 September | $333,617 | $300,256 | $366,979 |
| 2025 October | $335,447 | $301,902 | $368,991 |
| 2025 November | $337,286 | $303,557 | $371,015 |
| 2025 December | $339,135 | $305,222 | $373,049 |