Current Alton median home price: $275,276
| Date | Average price (≈) | Minimum price (⇓) | Maximum price (⇑) |
|---|---|---|---|
| 2026 January | $305,018 | $274,516 | $335,520 |
| 2026 February | $307,289 | $276,560 | $338,018 |
| 2026 March | $309,577 | $278,619 | $340,534 |
| 2026 April | $311,882 | $280,693 | $343,070 |
| 2026 May | $314,204 | $282,783 | $345,624 |
| 2026 June | $316,543 | $284,889 | $348,197 |
| 2026 July | $318,900 | $287,010 | $350,790 |
| 2026 August | $320,414 | $288,372 | $352,455 |
| 2026 September | $322,207 | $289,986 | $354,428 |
| 2026 October | $324,061 | $291,655 | $356,467 |
| 2026 November | $326,474 | $293,826 | $359,121 |
| 2026 December | $328,904 | $296,014 | $361,795 |