Current Alton median home price: $159,843
| Date | Average price (≈) | Minimum price (⇓) | Maximum price (⇑) |
|---|---|---|---|
| 2026 January | $166,883 | $150,194 | $183,571 |
| 2026 February | $167,796 | $151,017 | $184,576 |
| 2026 March | $169,001 | $152,101 | $185,901 |
| 2026 April | $170,214 | $153,193 | $187,236 |
| 2026 May | $171,219 | $154,097 | $188,341 |
| 2026 June | $170,402 | $153,362 | $187,442 |
| 2026 July | $169,476 | $152,528 | $186,424 |
| 2026 August | $168,555 | $151,700 | $185,411 |
| 2026 September | $167,639 | $150,875 | $184,403 |
| 2026 October | $168,164 | $151,348 | $184,981 |
| 2026 November | $169,372 | $152,435 | $186,309 |
| 2026 December | $170,588 | $153,529 | $187,647 |