Current Alton median home price: $499,915
| Date | Average price (≈) | Minimum price (⇓) | Maximum price (⇑) |
|---|---|---|---|
| 2025 September | $501,275 | $451,148 | $551,403 |
| 2025 October | $502,576 | $452,318 | $552,833 |
| 2025 November | $503,666 | $453,300 | $554,033 |
| 2025 December | $502,384 | $452,145 | $552,622 |