Current Alton median home price: $159,843
| Date | Average price (≈) | Minimum price (⇓) | Maximum price (⇑) |
|---|---|---|---|
| 2025 September | $163,402 | $147,062 | $179,742 |
| 2025 October | $164,575 | $148,118 | $181,033 |
| 2025 November | $165,757 | $149,181 | $182,332 |
| 2025 December | $166,472 | $149,825 | $183,119 |