Current Alton median home price: $499,915
| Date | Average price (≈) | Minimum price (⇓) | Maximum price (⇑) |
|---|---|---|---|
| 2026 February | $501,275 | $451,148 | $551,403 |
| 2026 March | $502,576 | $452,318 | $552,833 |
| 2026 April | $503,666 | $453,300 | $554,033 |
| 2026 May | $502,384 | $452,145 | $552,622 |
| 2026 June | $501,104 | $450,994 | $551,215 |
| 2026 July | $499,828 | $449,846 | $549,811 |
| 2026 August | $499,771 | $449,794 | $549,748 |
| 2026 September | $500,373 | $450,336 | $550,410 |
| 2026 October | $502,302 | $452,072 | $552,532 |
| 2026 November | $504,239 | $453,815 | $554,662 |
| 2026 December | $506,183 | $455,564 | $556,801 |