Current Alton median home price: $499,915
| Date | Average price (≈) | Minimum price (⇓) | Maximum price (⇑) |
|---|---|---|---|
| 2026 January | $501,104 | $450,994 | $551,215 |
| 2026 February | $499,828 | $449,846 | $549,811 |
| 2026 March | $499,771 | $449,794 | $549,748 |
| 2026 April | $500,373 | $450,336 | $550,410 |
| 2026 May | $502,302 | $452,072 | $552,532 |
| 2026 June | $504,239 | $453,815 | $554,662 |
| 2026 July | $506,183 | $455,564 | $556,801 |
| 2026 August | $508,134 | $457,321 | $558,947 |
| 2026 September | $509,517 | $458,565 | $560,468 |
| 2026 October | $510,839 | $459,755 | $561,922 |
| 2026 November | $511,947 | $460,752 | $563,141 |
| 2026 December | $510,643 | $459,579 | $561,708 |