Current Alton median home price: $159,843
| Date | Average price (≈) | Minimum price (⇓) | Maximum price (⇑) |
|---|---|---|---|
| 2026 March | $163,407 | $147,066 | $179,747 |
| 2026 April | $164,585 | $148,126 | $181,043 |
| 2026 May | $165,556 | $149,000 | $182,111 |
| 2026 June | $164,766 | $148,289 | $181,242 |
| 2026 July | $163,820 | $147,438 | $180,202 |
| 2026 August | $162,879 | $146,591 | $179,167 |
| 2026 September | $161,954 | $145,759 | $178,150 |
| 2026 October | $162,462 | $146,216 | $178,708 |
| 2026 November | $163,633 | $147,269 | $179,996 |
| 2026 December | $164,812 | $148,331 | $181,293 |