Current Glen Carbon median home price: $306,085
| Date | Average price (≈) | Minimum price (⇓) | Maximum price (⇑) |
|---|---|---|---|
| 2026 March | $333,600 | $300,240 | $366,960 |
| 2026 April | $335,411 | $301,870 | $368,952 |
| 2026 May | $337,232 | $303,509 | $370,956 |
| 2026 June | $339,064 | $305,157 | $372,970 |
| 2026 July | $340,152 | $306,137 | $374,168 |
| 2026 August | $340,543 | $306,489 | $374,597 |
| 2026 September | $341,486 | $307,338 | $375,635 |
| 2026 October | $343,053 | $308,747 | $377,358 |
| 2026 November | $344,775 | $310,298 | $379,253 |
| 2026 December | $346,647 | $311,983 | $381,312 |